Szymocha, T QCD HIGGS SUSY EXOTICS EGAMMA 2005 2005 The analysis presented in this note is a comparative study of the observability potential in the lepton-lepton and lepton-hadron final state of a Higgs boson decay into tau lepton pair. Discussed are mass points mH=120GeV, 150GeV and 200GeV and production in b-quark fussion. It is based on fast simulation of the ATLAS detector. The cross-section enhancement of the MSSM regarding tan beta is not included. It is shown that introducing lepton-lepton mode to the analysis stream may increase significance about 20-40%. Vivarelli, I Meoni, E Gennai, S MSSM Higgs Supersymmetry 2003 2003 The ATLAS and CMS discovery potential for the MSSM Higgs bosons is reviewed in this paper. The attention is focused on the direct Higgs production and on the Standard Model decay channels. After a short introduction, the most promising final states are discussed, showing that, if supersymmetry exists, its Higgs sector can be explored at LHC with an integrated luminosity of 10 fb$^{-1}$. González de la Hoz, S Ros, E Vos, M A simulation of events cross section associated Higgs production with b-quarks 2001 2001 A detailed study of the various possible mechanisms leading to Zbb and Hbb events in the final state is performed in the light of recent work released after the completion of the ATLAS physics TDR. The cross sections are computed using both analytical methods and the latest version 6.1 of the PYTHIA Monte Carlo program. Some conclusions concerning the reliability of the various approaches are presented. Cavalli, D Bosatelli, P MSSM Higgs 1999 1999 Cavalli, D Resconi, S 1998 1998 González, S Ros, E Vos, M A MSSM Higgs search ATLAS 2002 2002 In the Minimal Supersymmetric extension of the Standard Model two nearly degenerate light Higgs bosons (h0, A0) exist when the A0 mass is in the range from 90 to 125 GeV. Decay of these Higgs bosons to muons has a small branching ratio, but can be detected taking advantage of the mass resolution. In this note the possibility to extract the pp -> bb h0/A0 -> bb mu+ mu- signal from the background is investigated. Froidevaux, D Richter-Was, Elzbieta 1997 1997 Mohn, Bjarte Flechl, Martin Alwall, Johan Charged Higgs HIGGS 2006 2006 The ATLAS discovery potential for the hadronic $\tau$ decay of a heavy charged Higgs boson, $H^\pm \rightarrow \tau^\pm \nu_\tau$, is presented. A new matched production algorithm for the processes $gg \rightarrow tbH^\pm$ and $gb \rightarrow tH^\pm$ is used allowing to span the investigated mass range from $m_H^\pm < m_t$ up to $m_H^\pm \gg m_t$ with a consistent treatment of the transition region. For the considered charged Higgs boson masses from $165$ to $600$ GeV, $H^\pm \rightarrow \tau^\pm \nu_\tau$ is the most relevant decay channel together with $H^\pm \rightarrow tb$. Whereas the latter suffers from large irreducible backgrounds, the $\tau$ decay channel offers a decisively cleaner signature. This is the first \textsc{Atlas} Full Simulation study of the $H^\pm \rightarrow \tau^\pm \nu_\tau$ channel. For the background, \textsc{Atlas} Fast Simulation is used for the investigation of a greater variety of channels than in previous studies, emphasizing the need for new selection cuts with additional discriminating power between signal and background. Such cuts are introduced and it is shown that current limits from direct charged Higgs boson searches can be substantially extended already with a few years of LHC data. Chevallier, F ATLAS Top quark Z prime MSSM Charged Higgs TOP SUSY EXOTICS 2008 2008 At the LHC, the top quark is expected to be a huge and clean signal. With about eight millions of expected top pairs and three millions of single top events produced per year in the low luminosity runs, and with a low level of backgrounds, the LHC will open a new opportunity for precision measurements of the top quark properties and for exotic topology searches involving top quarks. As the ATLAS discovery potential on new physics with top quark is being assessed with many analyses, this article focuses on two particular topics: heavy neutral resonances and charged Higgs boson searches with top quarks. The analyses and the ATLAS expectations are described. Assamagan, K Behar, S Coniavitis, E Dufour, M -A Ehrich, T Flechl, M Gross, E Lane, J Mohn, B Mohrdieck-Möck, S Potter, C Robertson, S Rozen, Y Sopczak, A Talby, M Vachon, B Vickey, T Vitells, O Yang, U K Zaidan, R Charged Higgs Boson Searches Discovery MSSM SUSY 2HDM HIGGS 2008 2008 The discovery of a charged Higgs boson would be a definite signal for the existence of New Physics beyond the Standard Model, possibly the first experimental evidence to be found. This note presents the ATLAS potential for discovering a charged Higgs boson, utilizing six different final states of the signal arising from the three dominating fermionic decay modes of the charged Higgs boson. The search covers the region below the top quark mass, taking into account the present experimental constraints, the transition region with a charged Higgs boson mass of the order of the top quark mass, and the high mass region with a charged Higgs boson mass up to 600 GeV. All studies are performed with a realistic simulation of the detector response including all three trigger levels and taking into account all dominant systematic uncertainties. Results are given in terms of discovery and exclusion contours for each channel individually and for all channels combined, showing that the ATLAS experiment is capable of detecting the charged Higgs boson in a significant fraction of the ($\tan\beta$, $m_{H^\pm}$) parameter space with its first 10 fb$^{-1}$ of data. The so-called intermediate $\tan\beta$ region (around $\tb=7$) remains experimentally hard to reach but exclusion sensitivity is also given in this area. Czyczula, Z Vickey, T Dam, M Xella, S Mellado, B Wu, S L Tau Z Prime EXOTICS 2008 2008 A number of non-Standard-Model physics processes can lead to events in ATLAS with tau lepton pairs in the final state. In this note we discuss the potential for ATLAS to observe high-mass resonances which decay into two oppositely-charged taus. All three di-tau final states are considered in the study presented here: lepton-lepton, lepton-hadron and hadron-hadron. Using the official ATLAS offline reconstruction software, we consider a $Z'$ with masses between 600 and 2000 GeV. The application of this study to Graviton and heavy MSSM Higgs boson searches is also discussed. Potter, C 10.1063/1.3051908 Higgs, SUSY SUSY 2008 2008 The discovery of a charged Higgs boson would be definitive evidence of new physics beyond the Standard Model. The discovery potential of a MSSM charged Higgs boson with the ATLAS detector at the Large Hadron Collider is presented. The study is based on the analysis of signal and background simulated in detail through the experimental apparatus. Vickey, T Chen, X Mellado, B Quayle, W Wu, S L Higgs, data-driven control sample, tau EWEAK QCD HIGGS SUSY EXOTICS MCGENERATORS 2008 2008 The $Z\rightarrow\tau\tau$ process is a major contribution to the backgrounds for both Standard Model (SM) $H\rightarrow\tau\tau$ and Minimal Supersymmetric Standard Model (MSSM) $h/A/H\rightarrow\tau\tau$ channels in the lepton-lepton, lepton-hadron and hadron-hadron final states. As the relative contributions from this background in different jet multiplicities are not known, and unknowns related to critical analysis cut-specific variables exist (e.g., the Central Jet Veto and event missing energy), the subtraction of these backgrounds using a data-driven method is ideal. Here we present a background subtraction strategy that is data-driven and uses $Z\rightarrow\mu\mu$ events from experimental data to model the $Z\rightarrow\tau\tau$ backgrounds. By using {\tt TAUOLA} via {\tt ATHENA}, as well as {\tt GEANT} and the ATLAS reconstruction software, we are able to accurately model these backgrounds in each of the lepton-lepton, lepton-hadron and hadron-hadron final states using events from data on which we can easily and efficiently trigger. Excellent agreement with this emulated control sample and the true $Z\rightarrow\tau\tau$ distributions is shown. Rottlaender, I Schumacher, M NMSSM, next-to-minimal supersymmetric standard model, benchmarks, Higgs boson, discovery potential HIGGS SUSY 2008 2008 The NMSSM is a powerful extension to the MSSM, solving the so-called mu-problem. To evaluate the discovery potential of NMSSM particles, it is desirable to define benchmark regions. In the following, seven two-dimensional benchmark planes over the Higgs sector of the NMSSM are proposed. Afterwards, we present an evaluation of the discovery potential for NMSSM Higgs bosons in these benchmark planes based on previous ATLAS Monte Carlo studies. Sarri, F HIGGS 2008 2008 The search for the Higgs boson is one of the main goals of the Large Hadron Collider experiments. Both in the Standard Model (SM) and in its minimal supersymmetric extensions (MSSM), one or several new bosons are expected as manifestations of the Higgs fi eld. The tau lepton will be essential for Higgs(es) discovery. In fact, both in SM and in the MSSM, the Higgs boson(s) decaying into tau-pairs is one of the favourite discovery channels, especially at low masses. The discovery potential of the ATLAS experiment for neutral Higgs bosons decaying into tau-pairs is shown both in the SM and the MSSM. For the latter, the results on the charged Higgs boson decaying into tau plus neutrino are also discussed. Gentile, S The neutral MSSM Higgs boson production and following decay in heavy neutralino/chargino pairs HIGGS 2009 2009 The neutral MSSM Higgs boson production and following decay in heavy neutralino/chargino pairs has been studied for the ATLAS experiment. The final state with 4 leptons and missing energy is considered. The study has been performed using a realistic detector simulation of signal and the SM and MSSM backgrounds for four benchmark scenarios. The discovery and exclusion sensitivity in the (MA,tanb)-plane is discussed for different luminosity scenarios. An extension of the searches to the charged Higgs boson sector is given. Flechl, M charged Higgs boson ATLAS discovery MSSM 2HDM SUSY Supersymmetry HIGGS 2008 2008 The charged Higgs boson simulation studies for charged Higgs boson searches with ATLAS are presented. The focus is on new developments since c$mathrm{H}^pm$arged06. Since then, the first studies with a realistic detector simulation for the most important charged Higgs boson channels have been carried out, including all trigger levels and taking the dominant systematic uncertainties into account. These studies deal both with low-mass (produced in top quark pair decays) and high-mass $H^+$ (produced in $gg$- and $gb$-fusion), with a consistent treatment of the transition region. Analysis techniques and their largest challenges are discussed. The ATLAS H+ sensitivity is presented in terms of discovery and exclusion contours, and eventually a brief outlook on the LHC data-taking era is given. Gentile, S Balkan Phys. Lett. 109-113 16 1 MSSM Neutral Higgs chargino neutralino HIGGS 2009 2009 The discovery potential for MSSM neutral Higgs bosons in the ATLAS experiment at centre-of-mass energy $\sqrt{s}$ = 14 TeV at the Large Hadron Collider (LHC) is discussed. The discovery and exclusion sensitivity in the (m$_A$, tan$\beta$) plane in different luminosity scenarios is discussed for three processes: h/A/H decaying into $\tau\tau$ or into $\mu\mu$ pairs or in supersymmetric particles (heavy neutralino/chargino pairs). Assamagan, K A Higgs mass Higgs couplings Higgs Spin and CP properties Higgs self coupling HIGGS 2009 2009 The physics program at the LHC includes precision tests of the Standard Model (SM), the search for the SM Higgs boson up to 1 TeV, the search for the MSSM Higgs bosons in the entire parameter space, the search for Super Symmetry, sensitivity to alternative scenarios such as compositeness, large extra dimensions, etc. This requires general purpose detector with excellent performance. ATLAS and CMS are general purpose detectors under construction for the LHC. The detector performance and the prospects for discoveries are studied in various physics working groups. In this talk, I will discuss the determination of the properties of a Higgs-like particle to establish its nature, once such a particle is discovered at the LHC. Mellado, B Higgs Standard Model MSSM HIGGS 2009 2009 Feasibility studies for the discovery of the SM Higgs boson by the CMS and ATLAS collaboration are reviewed. Kourkoumelis, C Balkan Phys. Lett. 67-77 17 HIGGS 2009 2009 The Higgs boson is the only particle missing to complete the successful description of the elementary ingredients of our world. As of yet, it escapes experimental detection despite the enormous worldwide efforts. The new Large Hadron Collider (LHC) at CERN will provide enough collision energy for its formation, if it exists. The large experiments already installed, are equipped with excellent detector capabilities in order to confirm (or exclude) its existence. Discovery examples for each mass region of the Higgs boson are given using the complete - "as built" - detector simulation and the latest theoretical cross-section calculations, as well as, optimized selection criteria and statistical treatment. Furthermore, the sensitivity for discovery of the Higgs bosons in the framework of the extended SM model, the MSSM, is shortly reviewed. Emphasis is given to the expected discovery potentials from the first years of running. MSSM Higgs SUSY cascade neutralino/chargino cascade four leptons and missing energy HIGGS 2009 2009 The neutral MSSM Higgs boson production and subsequent decay into heavy neutralino/chargino pairs has been studied for the ATLAS experiment. The final state with four leptons and missing energy is considered. The study has been performed using a realistic detector simulation of the signal and the SM and MSSM backgrounds for four benchmark scenarios. The discovery and exclusion sensitivity in the (mA,tanb) plane was discussed for different luminosity scenarios. An extension of the searches to the charged Higgs boson sector was explored. Horvat, S MSSM Higgs HIGGS 2009 2009 Slides for the DIS 2009 Conference, 26-30.04.2009, Madrid, Spain CSC Higgs tau MSSM h/H/A HIGGS 2009 2009 This note describes a study of the discovery potential for the supersymmetric Higgs bosons h/H/A in proton-proton collisions at a center-of-mass energy of 14 TeV in final states with tau lepton pairs with the ATLAS detector at the LHC. The Higgs bosons are produced in association with b quarks and decay into a tautau final state where both tau leptons decay leptonically. The signature of Higgs bosons with masses between 110 and 450 GeV is analyzed and the discovery potential is assessed. The analysis is based on an integrated luminosity of 30 fb−1. All results are obtained using full simulation of the ATLAS detector. No pile-up or cavern background has been considered in this analysis. In addition a procedure for estimating the shape and the normalization of the irreducible Z → tau+ tau- background from data is investigated. The discovery potential as a function of mA and tan beta is shown for the mh-max MSSM benchmark scenario. CSC Higgs MSSM mu A/H/h HIGGS 2009 2009 Motivated by the high muon momentum resolution and identification efficiency achievable with the ATLAS detector, the observability of A/H/h to mu+ mu- channel is explored. The high experimental resolution in this decay mode compensates to some extent for the suppression of the branching ratio, with respect to the A/H/h to tau+ tau- decays. The analyses are performed in the Higgs mass range from 100 to 500 GeV. Two main analysis strategies are applied - the search for the dimuon final states resulting from the direct A/H/h production is combined with the search for the associated bbA/H/h production mode. The studies are optimized for the early stage of data taking up to an integrated luminosity of 30 fb−1 . All results are obtained combining the fast and the full simulation of the ATLAS detector with the nominal detector layout and the trigger efficiencies included. In addition, dedicated data samples are produced to study the impact of the pile-up and cavern background on the analysis performance. The estimation of the background contribution from the experimental data and the contribution of theoretical and experimental uncertainties are also addressed. The discovery potential is shown in the mA -tan beta plane in the context of the mh-max MSSM benchmark scenario. Gentile, S Kuznetsova, E MSSM Higgs SUSY Cascade neutralino/chargino cascade four lepton and missing energy Higgs HIGGS 2009 2009 The neutral MSSM Higgs boson production and subsequent decay into heavy neutralino/chargino pairs has been studied for the ATLAS experiment. The final state with four leptons and missing energy is considered. The study has been performed using a realistic detector simulation of the signal and the SM and MSSM backgrounds for four benchmark scenarios. The discovery and exclusion sensitivity in the (mA,tamb) plane was discussed for different luminosity scenarios. An extension of the searches to the charged Higgs boson sector was explored. Lampen, C MSSM Higgs Higgs Beyond Standard Model Higgs ATLAS HIGGS SUSY 2009 2009 The discovery of a neutral Higgs boson with large decay branching fraction to tau and muon pairs final states, as well as the discovery of a charged Higgs boson would represent a strong evidence of New Physics beyond the Standard Model. The potential discovery of these processes with the ATLAS detector at the Large Hadron Collider is presented. The studies are based on the analysis of Monte Carlo signal and background data simulated in detail through the experimental apparatus. Schaffer, A HIGGS 2009 2009 We present an overview of recent results of the ATLAS and CMS collaborations from their studies of the discovery potential of a Standard Model Higgs discovery. This is followed by a discussion of the measurement of the Higgs boson parameters, and by a brief discussion of the discovery potential of a MSSM Higgs. Pinfold, JL ATLAS, LUCID, ZDC, ALFA, Forward Physics, Diffraction, Central Exclusive Production, Di-jet, Double Pomeron Exchange, Photon-Photon Interactions, Photoproduction, Higgs Boson,SUSY, Luminosity, Total Cross-section 2009 2009 After a brief review of the approved ATLAS forward detector system we describe the main ATLAS forward physics program. This program currently includes such topics as soft and hard diffraction, double pomeron exchange, central exclusive production, rapidity gap survival, two photon physics, the determination of the total cross-section and the determination of the absolute luminosity A possible high luminosity upgrade program involving new forward proton detectors is also briefly reviewed. This program opens up a new vista of forward physics for ATLAS that includes SM/MSSM/NMSSM Higgs boson studies, W pair production, slepton production and gluino pair production, etc. Horvat, S Prog. High Energy Phys. 53 3 MSSM Higgs neutral charged HIGGS 2009 2009 We review the prospects for the Higgs boson searches in the Minimal Supersymmetric Standard Model (MSSM) with the ATLAS and CMS experiments at the Large Hadron Collider (LHC). In preparation for the approaching start of the LHC operation, the discovery reach accessible in proton-proton collisions at a center-of-mass energy of $sqrt{s}$=14~TeV has been recently updated by both experiments. The results are interpreted within the $m_h^{max}$ benchmark scenario. Policicchio, A Hidden Valley trigger exotics EXOTICS 2009 2009 A number of extensions of the Standard Model result in particles that are neutral, weakly-coupled and have macroscopic decay lengths comparable with LHC detector dimensions. These long-lived particles occur in many models: gauge-mediated SUSY extensions of the MSSM (addition of one singlet field), MSSM with R-parity violation, split SUSY, inelastic dark matter and Hidden Valley (HV) Scenarios in which a new sector is weakly coupled to the Standard Model. In the HV models long-lived HV particles that decay to heavy quark pairs and tau pairs can be produced in SUSY processes, Z' decays and Higgs boson decays. For the purpose of exploring the challenges to the trigger posed by long-lived neutral particles, the Hidden Valley scenario serves as an excellent setting. Results are presented of a first study of the ATLAS Detector performance for the Higgs decay h0 → π0v π0v , where π0v is neutral and has a displaced decay mainly to bottom quarks. The initial goal of the study is to obtain benchmark triggers for processes with such non-standard signatures in the ATLAS apparatus. Fassouliotis, D HIGGS MSSM VECTOR BOSON SCATTERING HIGGS 2009 2009 The discovery prospects of non Standard Model Higgs bosons with the ATLAS detector are presented. Due to the high branching ratio, results on decay channels that include tau leptons are presented both for the search of the neutral and the charged MSSM Higgs bosons. For the neutral Higgs bosons results on the muon pair final state are also reported. Furthermore, decay scenarios that include SUSY particle cascades are investigated. Finally, in the absence of light Higgs bosons, processes of vector boson scattering at high mass are discussed, in the context of studying the mechanism of electroweak symmetry breaking. All the studies presented are based on the analysis of Monte Carlo signal and background data simulated in detail through the experimental apparatus Lane, J Martyniuk, A Miyagawa, P Yang, U Klemetti, M Potter, C Robertson, S Buszello, C Ferrari, A Zimmer, S Gross, E Vitells, O Charged Higgs Boson ATLAS HIGGS 2009 2009 In many particle physics models beyond the Standard Model, the top quark can decay to a bottom quark and a light charged Higgs boson in the reaction top to b H+. In the Minimal Super-Symmetric Model (MSSM) and the Next-to-MSSM (NMSSM), the decays H+ to tau+ nu can dominate other decays, depending on the parameter space, while H+ to c sbar can have a significant branching ratio for low tan(beta). In the early data-taking period, the ATLAS detector at the Large Hadron Collider (LHC) could either discover the light H+ or substantially improve the current Tevatron upper limits on the branching ratio of top to b H+. We assume an integrated luminosity of 200/pb and a center of mass energy 10 TeV, and evaluate expected upper limits for the branching ratio top to b H+ separately assuming the branching ratio of H+ to tau+ nu is 1 and the branching ratio of H+ to c sbar is 1. ATLAS, LUCID, ZDC, ALFA, Forward Physics, Diffraction, Central Exclusive Production, Di-jet, Double Pomeron Exchange, Photon-Photon Interactions, Photoproduction, Higgs Boson,SUSY, Luminosity, Total Cross-section 2009 2009 After a brief review of the approved ATLAS forward detector system we describe the main ATLAS forward physics program. This program currently includes such topics as soft and hard diffraction, double pomeron exchange, central exclusive production, rapidity gap survival, two photon physics, the determination of the total cross-section and the determination of the absolute luminosity A possible high luminosity upgrade program involving new forward proton detectors is also briefly reviewed. This program opens up a new vista of forward physics for ATLAS that includes SM/MSSM/NMSSM Higgs boson studies, W pair production, slepton production and gluino pair production, etc. Davidek, T HIGGS 2009 2009 The ATLAS physics program includes the search for the Higgs boson. The discovery prospects are discussed in various channels both for the Standard Model and the MSSM Higgs boson(s). The measurement of the Higgs boson properties - mass, spin, CP, couplings - are also briefly reviewed. Talk to be presented at Hadron Structure'09 conference. Schumacher, J MSSM HIGGS BSM HIGGS 2009 2009 This is a talk for the conference Weak Interactions and Neutrinos '09. An overview of searches for non Standard Model Higgs Boson searches of ATLAS and CMS is given. In particular, neutral and charged Higgs boson searches in the MSSM are presented. Because of the relatively high branching ratios and the possibility to trigger on and identify tau leptons, decays into a tau lepton pair play an important role in discovery. Muon pairs from Higgs are much rarer but have the advantage of a very clear signal. Alternative approaches via neutralino decays and reinterpretation of Standard Model searches are discussed. Analyses to find charged MSSM Higgs bosons are presented. Two examples of non-supersymmetric searches, invisible Higgs and search for radions are also given. Schumacher, M HIGGS 2009 2009 The prospects for the observation of neutral Higgs bosons decaying to fermions in the Standard Model (SM) and in the Minimal Supersymmetric Standard Model (MSSM) with ATLAS is reviewed. Ruiz-Martinez, A Mellado, B Valls, J A Wu, S L dimuon, significance, discovery, exclusion, likelihood HIGGS 2009 2009 This note describes the Minimal Supersymmetric Standard Model (MSSM) $h/A/H$ boson search in the dimuon channel at the ATLAS experiment. Since jet flavour tagging is not required in the analysis, it can be performed with low integrated luminosity, even before the b-tagging in the experiment reaches its optimal performance. Discovery significances and exclusion limits for several Higgs masses (110 GeV to 400 GeV) and $\tan\beta$ values (10 to 60) are evaluated using a maximum likelihood fit formalism based on toy Monte Carlo experiments at different integrated luminosities. Our results show that the MSSM parameter space can be significantly constrained with this analysis at 1 fb$^{-1}$ (a 95% C.L. exclusion can be established for $m_A=130$ GeV and $\tan\beta>30$) and discovery is feasible at 10 fb$^{-1}$ ($5\sigma$ significance can be achieved for $m_A=130$ GeV and $\tan\beta>35$). The study is performed assuming that the collisions take place at the 14 TeV center-of-mass energy. Fassouliotis, D Higgs MSSM Vector Boson Scattering HIGGS 2009 2009 The discovery prospects of non Standard Model Higgs bosons with the ATLAS detector are presented. Due to the high branching ratio, results on decay channels that include tau leptons are presented both for the search of the neutral and the charged MSSM Higgs bosons. For the neutral Higgs bosons results on the muon pair final state are also reported. Furthermore, decay scenarios that include SUSY particle cascades are investigated. Finally, in the absence of light Higgs bosons, processes of vector boson scattering at high mass are discussed, in the context of studying the mechanism of electroweak symmetry breaking. All the studies presented are based on the analysis of Monte Carlo signal and background data simulated in detail through the experimental apparatus Fassouliotis, D PoS 10.22323/1.084.0238 238 EPS-HEP2009 Higgs MSSM Vector Boson Scattering HIGGS 2009 2009 The discovery prospects of non Standard Model Higgs bosons with the ATLAS detector are presented. Due to the high branching ratio, results on decay channels that include tau leptons are presented both for the search of the neutral and the charged MSSM Higgs bosons. For the neutral Higgs bosons results on the muon pair final state are also reported. Furthermore, decay scenarios that include SUSY particle cascades are investigated. Finally, in the absence of light Higgs bosons, processes of vector boson scattering at high mass are discussed, in the context of studying the mechanism of electroweak symmetry breaking. All the studies presented are based on the analysis of Monte Carlo signal and background data simulated in detail through the experimental apparatus Rottlaender, I Schumacher, M NMSSM, next-to-minimal supersymmetric standard model, benchmarks, Higgs boson, discovery potential HIGGS SUSY 2009 2009 The NMSSM is a powerful extension to the MSSM, solving the so-called mu-problem. To evaluate the discovery potential of NMSSM particles, it is desirable to define benchmark regions. In the following, seven two-dimensional benchmark planes over the Higgs sector of the NMSSM are proposed. Afterwards, we present an evaluation of the discovery potential for NMSSM Higgs bosons in these benchmark planes based on previous ATLAS Monte Carlo studies. Ruiz Martínez, A 2009 2009 This thesis was carried out in the years previous to the LHC start-up, i.e. during the ATLAS detector commissioning phase. It contains an introductory part about the detector and its expected physics performance and two main parts about the development of a Level-2 trigger for muons and a study of the MSSM Higgs discovery reach with simulated data, which are briefly described below. The first part of the thesis is devoted to TileMuId, the muon identication algorithm based on TileCal whose main goal is to be used as a Level-2 trigger of low-$p_{\text{T}}$ muons. A second version of TileMuId (ROD-based) has been implemented to run in the TileCal ROD DSPs. This involved developments in the DSP firmware and in the Athena framework, described in the document. In addition, studies of the algorithm performance in terms of efficiency and fraction of fakes have been done. Developments and studies to match the TileCal muon candidates with the Inner Detector tracks (provided by ID reconstruction algorithms) have been performed and two new trigger chains combining TileCal and ID have been created. Both TileMuId versions are fully integrated in the Muon Trigger Slice Working Group, have been running in High Level Trigger during cosmics data taking periods and are included in the trigger menu of ${\cal{L}}=10^{31}$ cm$^{-2}$s$^{-1}$. In the second part of the thesis, the ATLAS discovery potential of the MSSM neutral Higgs boson in the dimuon decay channel, $h/A/H \to \mu^{+}\mu^{-}$, for a center-of-mass energy of 14 TeV is explored with simulated data. For this analysis, we used the official event selection cuts agreed by the collaboration with the only exception of not requiring b-tagging for the jets. Since jet flavor tagging is not required in the analysis, it can be performed with low integrated luminosity, even before the b-tagging in the experiment reaches its optimal performance. Discovery significances and exclusion limits for several Higgs masses (110 GeV to 400 GeV) and $\tan\beta$ values (10 to 60) are evaluated using a maximum likelihood fit formalism based on toy Monte Carlo experiments at different integrated luminosities. Our results show that the MSSM parameter space can be significantly constrained with this analysis at 1 fb$^{-1}$ (a 95\% CL exclusion can be established for $m_A=130$ GeV and $\tan\beta>30$) and discovery is feasible at 10 fb$^{-1}$ ($5\sigma$ significance can be achieved for $m_A=130$ GeV and $\tan\beta>35$). Lane, J Martyniuk, A Miyagawa, P Yang, U Klemetti, M Potter, C Robertson, S Buszello, C Ferrari, A Zimmer, S Gross, E Vitells, O Charged Higgs Boson ATLAS HIGGS 2009 2009 In many particle physics models beyond the Standard Model, the top quark can decay to a bottom quark and a light charged Higgs boson in the reaction top to b H+. In the Minimal Super-Symmetric Model (MSSM) and the Next-to-MSSM (NMSSM), the decays H+ to tau+ nu can dominate other decays, depending on the parameter space, while H+ to c sbar can have a significant branching ratio for low tan(beta). In the early data-taking period, the ATLAS detector at the Large Hadron Collider (LHC) could either discover the light H+ or substantially improve the current Tevatron upper limits on the branching ratio of top to b H+. We assume an integrated luminosity of 200/pb and a center of mass energy 10 TeV, and evaluate expected upper limits for the branching ratio top to b H+ separately assuming the branching ratio of H+ to tau+ nu is 1 and the branching ratio of H+ to c sbar is 1. Atlas, Coll HIGGS 2009 2009 In many particle physics models beyond the Standard Model, the top quark can decay to a bottom quark and a light charged Higgs boson in the reaction top to b H+. In the Minimal Super-Symmetric Model (MSSM) and the Next-to-MSSM (NMSSM), the decays H+ to tau+ nu can dominate other decays, depending on the parameter space, while H+ to c sbar can have a significant branching ratio for low tan(beta). In the early data-taking period, the ATLAS detector at the Large Hadron Collider (LHC) could either discover the light H+ or substantially improve the current Tevatron upper limits on the branching ratio of top to b H+. We assume an integrated luminosity of 200/pb and a center of mass energy 10 TeV, and evaluate expected upper limits for the branching ratio top to b H+ separately assuming the branching ratio of H+ to tau+ nu is 1 and the branching ratio of H+ to c sbar is 1. Stern, S 2009 2009 The subject of this work is the development of a data-driven method for the background estimation for neutral MSSM Higgs searches in the decay channel h/H/A -> mumu. The method employs signal-free control samples from the ee and emu final states and is based on the vanishing decay rate h/H/A -> ee. In contrast, for the background processes the decay rates into electrons and muons are equal at particle level. Differences between the electron and muon final states at reconstruction level arising from the detector response and the presence of Bremsstrahlung and final state radiation are studied in detail. The accuracy of the method is evaluated for the dominant background contributions from Z boson and tt decays. Detector-related systematic uncertainties concerning muon, electron and jet reconstruction are taken into account. Finally, the presented method for the background estimation is used to evaluate the exclusion limits at a confidence level of 95%. Stern, S Horvat, S Kortner, O Kroha, H HIGGS 2009 2009 This note describes the discovery prospects for the neutral MSSM Higgs bosons in the decay channel h/H/A -> mumu with the ATLAS detector. The analysis is performed for 10 TeV collision data simulated with full and fast simulation assuming Higgs masses of 130, 150 and 200 GeV and a benchmark point of tan beta = 40. A good knowledge of the large Standard Model background, dominated by Z and tt production, is crucial for the exclusion of the signal in early data analyses. Thus, a method is presented which allows to estimate these backgrounds from data by means of signal-free control samples from ee and emu final states. The method is based on the vanishing decay rate h/H/A -> ee. In contrast, the top quarks and Z bosons decay with equal probability into electrons and muons. Differences between the dielectron and dimuon final states arising from detector properties and photon radiation are studied in detail. The expected accuracy of the method is evaluated for different integrated luminosities of 0.2, 1 and 4 fb{-1} by comparing the control samples with the actual mumu background. Finally, the information from the control samples and side band regions in the mumu final state are combined to calculate the exclusion limits at a 95% confidence level. Assamagan, K Bourgaux, A Campanelli, M Carrillo-Montoya, G Escalier, M Flechl, M Huston, J Muanza, S Murray, B Mellado, B Nisati, A Qian, J Rebuzzi, D Schram, M Schumacher, M Tanaka, R Vickey, T Warsinsky, M Zhang, H Andari, N Cross Section, Standard Model, Supersymmetry, MSSM HIGGS 2010 2010 This note summarizes a survey of state-of-art theoretical tools currently available for the calculation of the Higgs production cross sections at the LHC and and their decay branching ratios in both the Standard Model and its minimal supersymmetric extension. All major production processes and decay modes are investigated. Cross sections and their theoretical uncertainties at $sqrt{s}=7, 10$ and 14~TeV are presented for most of the processes studied. The note also discusses unresolved issues and offers suggestions for future improvements. Anders, C Barberio, E Cavalli, D Davey, W Dingfelder, J Felzmann, U Glatzer, J Goussiou, A Kobel, M Mader, W F Mazur, M Pashapour, S Schaarschmidt, J MSSM Tau 14 TeV HIGGS 2010 2010 This note describes a study of the discovery potential for the supersymmetric Higgs bosons $H/A$ in proton-proton collisions at a center-of-mass energy of $14\,\mathrm{TeV}$ in final states with $\tau$-lepton pairs with the ATLAS detector at the LHC. The Higgs bosons are produced in association with $b$-quarks or from gluon-fusion processes and decay into a di-$\tau$ final state where one $\tau$ lepton decays leptonically and the other hadronically. Higgs boson masses between $150$ and $800\,\mathrm{GeV}$ are analysed. All results are obtained using the ATLFAST-II simulation of the ATLAS detector except for the determination of the trigger efficiencies. For the latter, selected signal samples are processed with full simulation. Procedures to estimate the contribution of all relevant backgrounds from control regions in data have been developed. The discovery potential in the $m_A$ vs. $\tan\beta$ plane is assessed for the $m_h^\mathrm{max}$ MSSM benchmark scenario and compared to that obtained previously in the fully-leptonic analysis, published in the CSC book. No pile-up or cavern background has been considered in this analysis. The analysis is based on an integrated luminosity of $30\,\mathrm{fb}^{-1}$. Klemetti, M Laflamme, C Lou, HK Potter, CT Robertson, S Higgs NMSSM Ideal Higgs HIGGS 2010 2010 The Next to Minimal Supersymmetric Model (NMSSM) is motivated by $mu$ term problem of the Minimal Supersymmetric Model (MSSM) and may explain anomalous experimental measurements. In the NMSSM, the lightest CP-odd Higgs Boson $a_1$ can be very light ($m_{a_1}<2m_{b}$) and significantly alter the phenomenology of the MSSM Higgs sector. Searches for the light $a_1$ have been carried out by BaBar, ALEPH, DZero and CDF. We present searches for gg to $a_1$, $h_1$ to 2$a_1$ and $H^+$ to $a_1$ $W^+$ in early ATLAS data. We assume integrated luminosities of $10$pb$^{-1}$ and $200$pb$^{-1}$ at 10TeV center of mass energy. Andari, N Assamagan, K Bourgaux, A Campanelli, M Carrillo-Montoya, G Escalier, M Flechl, M Huston, J Muanza, S Murray, B Mellado, B Nisati, A Qian, J Rebuzzi, D Schram, M Schumacher, M Tanaka, R Vickey, T Warsinsky, M Zhang, H Cross Section, Standard Model, Supersymmetry, MSSM HIGGS 2010 2010 This note summarizes a survey of state-of-art theoretical tools currently available for the calculation of the Higgs production cross sections at the LHC and and their decay branching ratios in both the Standard Model and its minimal supersymmetric extension. All major production processes and decay modes are investigated. Cross sections and their theoretical uncertainties at $sqrt{s}=7, 10$ and 14~TeV are presented for most of the processes studied. The note also discusses unresolved issues and offers suggestions for future improvements. Anders, C Barberio, E Cavalli, D Davey, W Dingfelder, J Felzmann, U Glatzer, J Goussiou, A Kobel, M Mader, W F Mazur, M Pashapour, S Schaarschmidt, J MSSM Tau 14 TeV HIGGS 2010 2010 This note describes a study of the discovery potential for the supersymmetric Higgs bosons $H/A$ in proton-proton collisions at a center-of-mass energy of $14\,\mathrm{TeV}$ in final states with $\tau$-lepton pairs with the ATLAS detector at the LHC. The Higgs bosons are produced in association with $b$-quarks or from gluon-fusion processes and decay into a di-$\tau$ final state where one $\tau$ lepton decays leptonically and the other hadronically. Higgs boson masses between $150$ and $800\,\mathrm{GeV}$ are analysed. All results are obtained using the ATLFAST-II simulation of the ATLAS detector except for the determination of the trigger efficiencies. For the latter, selected signal samples are processed with full simulation. Procedures to estimate the contribution of all relevant backgrounds from control regions in data have been developed. The discovery potential in the $m_A$ vs. $\tan\beta$ plane is assessed for the $m_h^\mathrm{max}$ MSSM benchmark scenario and compared to that obtained previously in the fully-leptonic analysis, published in the CSC book. No pile-up or cavern background has been considered in this analysis. The analysis is based on an integrated luminosity of $30\,\mathrm{fb}^{-1}$. "ATLAS, Coll" HIGGS 2010 2010 In many particle physics models beyond the Standard Model, the top quark can decay to a bottom quark and a light charged Higgs boson in the reaction top to bH+. In the Minimal Super-Symmetric Model (MSSM), the decays H+ to tau+nu can dominate other decays, depending on the parameter space, while H+ to c sbar can have a significant branching ratio for low tan(beta). In the early data-taking period, the ATLAS detector at the Large Hadron Collider (LHC) could either discover the light H+ or substantially improve the current Tevatron upper limits on the branching ratio of top to b H+. We assume an integrated luminosity of 200/pb and a center of mass energy 10 TeV, and evaluate expected upper limits for the branching ratio top to b H+ separately assuming the branching ratio of H+ to tau+ nu is 1 and the branching ratio of H+ to c sbar is 1. ATLAS, Coll MSSM ; Tau ; 14 TeV ; HIGGS HIGGS 2010 2010 This note describes a study of the discovery potential for the supersymmetric Higgs bosons $H/A$ in proton-proton collisions at a centre-of-mass energy of 14 TeV in final states with $\tau$-lepton pairs with the ATLAS detector at the LHC. The Higgs bosons are produced in association with $b$-quarks or from gluon-fusion processes and decay into a di-$\tau$ final state. The final state where one $\tau$ lepton decays leptonically and the other hadronically is studied. Higgs boson masses between 150 and 800 GeV are analysed. All results are obtained using the ATLFAST-II simulation of the ATLAS detector except for the determination of the trigger efficiencies. For the latter, selected signal samples are processed with full simulation. Procedures to estimate the contribution of all relevant backgrounds from control regions in data have been developed. The discovery potential in the $m_A$ vs. $\tan\beta$ plane is assessed for the $m_h^\mathrm{max}$ MSSM benchmark scenario and compared to that obtained previously in the fully-leptonic analysis. No pile-up or cavern background has been considered in this analysis. The analysis is based on an integrated luminosity of $30$ fb$^-1$. Lenzi, B HIGGS 2010 2010 Slides for MCTP Spring Symposium on Higgs Boson Physics (Spring 2010) Rebuzzi, D HIGGS 2010 2010 The present slides discuss the LHC discovery potential for beyond SM and MSSM Higgs searches at LHC. Sarri, F Nuovo Cimento C 10.1393/ncc/i2009-10501-x 221-224 32 2009 2009 Anders, C Barberio, E Cavalli, D Davey, W Dingfelder, J Felzmann, U Glatzer, J Goussiou, A Kobel, M Mader, W Mazur, M Pashapour, S Schaarschmidt, J Thoma, S Tau 7TeV HIGGS 2010 2010 In this note the sensitivity of the ATLAS experiment at the LHC to neutral MSSM Higgs bosons $H/A$ at a center-of-mass energy of 7TeV and an integrated luminosity of 1fb$^{-1}$ is studied in the final state with two τ leptons, where one τ lepton decays hadronically and one leptonically. The results of this study are based on a similar analysis conducted at a center-of-mass energy of 14TeV. The cross sections, the selection efficiencies and the systematic uncertainties assumed have been extrapolated to a center-of-mass energy of 7TeV and an integrated luminosity of 1fb$^{-1}$. The five-σ discovery potential as well as the exclusion limit at a confidence level of 95% in the $m_h^\mathrm{max}$ scenario are presented. No pile-up or cavern background has been considered in this analysis. Horvat, S Kortner, O Kroha, H Stern, S MSSM Higgs Muon Dimuon 7 TeV HIGGS 2010 2010 The ATLAS sensitivity propspects for the neutral MSSM Higgs bosons are studied in the $H/A\to \mu^+\mu^-$ decay channel at a center-of-mass collision energy of $\sqrt{s}$ = 7~TeV. The expected exclusion limits are evaluated at a 95\% confidence level for the Higgs masses of 130, 150 and 200~GeV in the frame of the $m_h^{max}$ MSSM benchmark scenario. The estimation is based on the recently obtained Monte Carlo simulation results at $\sqrt{s}$ = 10~TeV, in which the data-driven background estimation and the systematic uncertainties have been taken into account. These results are extrapolated to $\sqrt{s}$ = 7~TeV by rescaling the signal and background contributions according to their cross sections. Such a procedure is shown to be justified, since the event selection efficiency is rather independent of the center-of-mass energy. Soni, N LUCID, ZDC, ALFA, AFP, forward physics 2010 2010 The ATLAS has a very strong program to study the forward region of the interacti on point. This contribution describes the current ATLAS forward detectors LUCID, ZDC, ALFA, and the upgrade future project AFP. The current forward detectors ar e dedicated for the luminosity measurements and the forward physics measurements at first low luminosity LHC phase. The measuring ability in the forward region is also crucial for soft QCD, diffractive physics and the determination of absol ute luminosity. The AFP project will significantly extend the ATLAS physics prog ram at high luminosities by tagging the very forward going protons. This program will open up a new vista of forward physics that includes SM/MSSM/NMSSM Higgs b oson studies, W pair production etc. Horvat, S Kortner, O Kroha, H Stern, S MSSM Higgs Muon Dimuon 7 TeV HIGGS 2010 2010 The ATLAS sensitivity propspects for the neutral MSSM Higgs bosons are studied in the $H/A\to \mu^+\mu^-$ decay channel at a center-of-mass collision energy of $\sqrt{s}$ = 7~TeV. The expected exclusion limits are evaluated at a 95\% confidence level for the Higgs masses of 130, 150 and 200~GeV in the frame of the $m_h^{max}$ MSSM benchmark scenario. The estimation is based on the recently obtained Monte Carlo simulation results at $\sqrt{s}$ = 10~TeV, in which the data-driven background estimation and the systematic uncertainties have been taken into account. These results are extrapolated to $\sqrt{s}$ = 7~TeV by rescaling the signal and background contributions according to their cross sections. Such a procedure is shown to be justified, since the event selection efficiency is rather independent of the center-of-mass energy. Stern, S Horvat, S Kortner, O Kroha, H HIGGS 2010 2010 This note describes the discovery prospects for the neutral MSSM Higgs bosons in the decay channel h/H/A -> mumu with the ATLAS detector. The analysis is performed for 10 TeV collision data simulated with full and fast simulation assuming Higgs masses of 130, 150 and 200 GeV and a benchmark point of tan beta = 40. A good knowledge of the large Standard Model background, dominated by Z and tt production, is crucial for the exclusion of the signal in early data analyses. Thus, a method is presented which allows to estimate these backgrounds from data by means of signal-free control samples from ee and emu final states. The method is based on the vanishing decay rate h/H/A -> ee. In contrast, the top quarks and Z bosons decay with equal probability into electrons and muons. Differences between the dielectron and dimuon final states arising from detector properties and photon radiation are studied in detail. The expected accuracy of the method is evaluated for different integrated luminosities of 0.2, 1 and 4 fb{-1} by comparing the control samples with the actual mumu background. Finally, the information from the control samples and side band regions in the mumu final state are combined to calculate the exclusion limits at a 95% confidence level. ATLAS, Coll Higgs Standard Model MSSM Charged Higgs 7 TeV Sensitivity HIGGS 2010 2010 Projections for the ATLAS sensitivity in selected channels to the Standard Model (SM) and Minimal Super-Symmetric Standard Model (MSSM) Higgs boson(s) from the LHC running at 7 TeV are reported. The results are based on re-scaling expectations from detailed analyses at 10 or 14 TeV using cross section ratios or parton distribution function (PDF) reweighting to arrive at the 7 TeV projections. "ATLAS, Coll" HIGGS 2010 2010 In many particle physics models beyond the Standard Model, the top quark can decay to a bottom quark and a light charged Higgs boson in the reaction top to bH+. In the Minimal Super-Symmetric Model (MSSM), the decays H+ to tau+nu can dominate other decays, depending on the parameter space, while H+ to c sbar can have a significant branching ratio for low tan(beta). In the early data-taking period, the ATLAS detector at the Large Hadron Collider (LHC) could either discover the light H+ or substantially improve the current Tevatron upper limits on the branching ratio of top to b H+. We assume an integrated luminosity of 200/pb and a center of mass energy 10 TeV, and evaluate expected upper limits for the branching ratio top to b H+ separately assuming the branching ratio of H+ to tau+ nu is 1 and the branching ratio of H+ to c sbar is 1. Higgs Standard Model MSSM Charged Higgs 7 TeV Sensitivity HIGGS 2010 2010 Projections for the ATLAS sensitivity in selected channels to the Standard Model (SM) and Minimal Super-Symmetric Standard Model (MSSM) Higgs boson(s) from the LHC running at 7 TeV are reported. The results are based on re-scaling expectations from detailed analyses at 10 or 14 TeV using cross section ratios or parton distribution function (PDF) reweighting to arrive at the 7 TeV projections. Leney, KJC MSSM TAU HIGGS 2010 2010 Slides for talk at Higgs Hunting, Orsay, 29th-31st July 2010 MSSM ; Tau ; 14 TeV ; HIGGS HIGGS 2010 2010 This note describes a study of the discovery potential for the supersymmetric Higgs bosons $H/A$ in proton-proton collisions at a centre-of-mass energy of 14 TeV in final states with $\tau$-lepton pairs with the ATLAS detector at the LHC. The Higgs bosons are produced in association with $b$-quarks or from gluon-fusion processes and decay into a di-$\tau$ final state. The final state where one $\tau$ lepton decays leptonically and the other hadronically is studied. Higgs boson masses between 150 and 800 GeV are analysed. All results are obtained using the ATLFAST-II simulation of the ATLAS detector except for the determination of the trigger efficiencies. For the latter, selected signal samples are processed with full simulation. Procedures to estimate the contribution of all relevant backgrounds from control regions in data have been developed. The discovery potential in the $m_A$ vs. $\tan\beta$ plane is assessed for the $m_h^\mathrm{max}$ MSSM benchmark scenario and compared to that obtained previously in the fully-leptonic analysis. No pile-up or cavern background has been considered in this analysis. The analysis is based on an integrated luminosity of $30$ fb$^-1$. Tanaka, R Higgs SUSY MSSM Charged Higgs BSM Higgs HIGGS 2010 2010 Slide for the talk on BSM Higgs at the Higgs Hunting Workshop, July 29-31, 2010 to be held at Orsay, France. Early Higgs beyond the Standard Model searches are discussed for the centre-of-mass energy at 7TeV with a target luminosity of 1fb^-1 to be accumulated by the end of 2011. Miyagawa, PS HIGGS 2010 2010 We present the ATLAS sensitivity for light charged Higgs boson searches at 7 TeV. In some models beyond the Standard Model, including the Minimal Supersymmetric Model (MSSM), charged Higgs bosons can be produced in top quark decays. We study the ATLAS sensitivity to light charged Higgs in the two dominant MSSM decay channels: H+ -&gt; tau-nu, and csbar. With 1 fb-1 of expected data, we find that the ATLAS sensitivity to light charged Higgs improves substantially on current Tevatron upper limits on B(t -&gt; bH+). Gonçalo, R Higgs, Tau HIGGS SUSY 2010 2010 The H -&gt; tautau channel is important for the observation of a Higgs boson signal. In the Standard Model, the H -&gt; tautau would provide a significant contribution to the Higgs boson search in the low mass region when the Higgs is produced by vector boson fusion. The  H-&gt; tautau channel is also important for the MSSM neutral Higgs boson searches through the associated production of the Higgs bosons with heavy quarks or by gluon fusion. The observation of a charged Higgs boson will constitute an irrefutable evidence of new physics beyond the Standard Model. In many particle physics models beyond the Standard Model, the top quark can decay to a bottom quark and a light charged Higgs boson (m_H+&lt;m_top) in the reaction t to bH+. The decay channel H+-&gt;tau+nu is important in the search for a charged Higgs signal at the LHC. Fake tau-jets from various sources are a major background for Higgs signal final states containing genuine hadronic tau-jets. We report on techniques based on real data to estimate backgrounds from fake taus. Also, sensitivity prospects for early Higgs signal with taus in the final states are presented. Klemetti, M MSSM charged Higgs dilepton ttbar HIGGS 2010 2010 We present projections for the ATLAS sensitivity to a light charged Higgs boson in the channel H-&gt;taunu-&gt;lnu, present in models beyond the Standard Model, with an expected dataset corresponding to an integrated luminosity of 1fb-1 gathered at the ATLAS detector with the LHC running at 7 TeV. The results are based on re-scaling expectations from detailed analyses at 10 TeV using cross-section ratios. Yang, Un-ki Charged Higgs HIGGS 2010 2010 We present the ATLAS sensitivity for light charged Higgs boson searches at 7 TeV. In some models beyond the Standard Model, including the Minimal Super-symmetric Model (MSSM), charged Higgs bosons can be produced in top quark decays. We study the ATLAS sensitivity to a light charged Higgs in the H+ to csbar decay channel. With 1fb^-1 of expected data, we find that ATLAS sensitivity to the light charged Higgs improves substantially on the current Tevatron upper limits on B(t to bH+). HIGGS 2010 2010 In the Minimal Super-Symmetric model (MSSM), the decay H+ to tau nu can be a dominant decay channel for the light (m(H+) < m(top) ) charged Higgs boson. Through this channel, the ATLAS detector at the Large Hadron Collider (LHC) could either discover the light H+ or improve the current Tevatron upper limits on B(t to bH+). We evaluate the expected ATLAS upper limit for B(t to b H+), assuming B(H+ to tau nu)=1 and an integrated luminosity of 200 pb-1 gathered at sqrt(s)=10 TeV. Nakamura, K 2010 2010 During the operation at the center-of-mass energy of 7~TeV, the LHC is expected to deliver up to 1~fb$^{-1}$ of $pp$ collision data by the end of 2011. Prospect for the Higgs searches at the LHC with 1~fb$^{-1}$ of integrated luminosity of data is discussed. Promising results are expected by two Higgs boson search channels which are Standard Model Higgs boson decaying to two $W$ bosons final state and MSSM Higgs decaying to two $ au$ lepton final state. Gentile, S charged Higgs systematic HIGGS 2010 2010 The charged light MH+ &lt;Mtop MSSM Higgs boson production via t-&gt;bH+ and the subsequent decay into H+-&gt;csbar or H+ -&gt;taunu has been studied for the ATLAS experiment. The first channel, dominating at low tan beta region (&lt;1), is explored in the final state with 4 jets and one lepton and missing energy; the second, at high er tan beta region (&gt;3), is searched in two leptons and two jets and missing ener gy final state. The study has been performed using a realistic detector simulation of the s ignal and the SM backgrounds. The discovery sensitivity and the upper limit on BR(t-&gt;gt;b H+) as function of MH+ , assuming the Br(H-&gt;csbar)=1 or Br(H-&gt;taunu)=1, were discussed for different luminosity and center of mass energy scenarios: at root(s)=10 TeV with integrated luminosity=~200 pb-1 and at root(s) = 7 TeV with integrated luminosity = 1 fb-1, obtained using a rescaling tecnique. The main focus of the present paper is on the impact of systematics on these results. Leney, Katharine Julie Clementine 2010 2010 The search for the Higgs boson will be one of the primary tasks of the LHC. One of the most promising channels in the search for a low mass Higgs boson ($M_{H}$ ∼120 GeV) will be the scenario where the Higgs is produced via Vector Boson Fusion and subsequently decays to a pair of tau leptons. One of the dominant (and most complex) backgrounds to this analysis is expected to come from $tar{t}$~decays. Monte Carlo samples with a centre-of-mass energy of 14 TeV are used to investigate the contributions from different $tar{t}$~decay modes and to develop methods to reduce the contribution from this background process and improve the overall sensitivity of the analysis. A technique to estimate contributions from background processes when there are insufficient Monte Carlo samples available to calculate this directly is also presented. A low mass Standard Model Higgs boson will require at least 10 $fb^{−1}$~data before a discovery (or exclusion) can be claimed, but extensions to the Standard Model that realise Supersymmetry predict that there should be three neutral Higgs bosons. The production cross-section is strongly enhanced and it is there- fore expected that competitive limits on an MSSM Higgs boson can be made using data from the 2010-2011 LHC data-taking period (1 $fb^{−1}$~expected with 7 TeV centre-of-mass collisions). A search strategy for an MSSM Higgs boson decaying to two taus is presented, focusing on ensuring ana lysis robustness during this early period. Comparisons with the first ATLAS data are also made. Novakova, J Higgs Sensitivity ATLAS HIGGS 2010 2010 Higgs boson searches are one of the main goals of the LHC physics program. Expected Higgs boson exclusion limits that can be reached with an integrated luminosity 1fb^{-1} at a center of mass energy 7 TeV will be shown. The integrated luminosity 1fb^{-1} should be delivered to the ATLAS experiment by the end of 2011 according to the current LHC plans. The sensitivity for both, the Standard Model Higgs boson and the MSSM Higgs bosons, will be discussed. Results of the ongoing effort to measure the Standard Model background to the H->WW channel will be also shown. Klemetti, M HIGGS 2010 2010 In the Minimal Super-Symmetric model (MSSM), the decay H+ to tau nu can be a dominant decay channel for the light (m(H+) < m(top) ) charged Higgs boson. Through this channel, the ATLAS detector at the Large Hadron Collider (LHC) could either discover the light H+ or improve the current Tevatron upper limits on B(t to bH+). We evaluate the expected ATLAS upper limit for B(t to b H+), assuming B(H+ to tau nu)=1 and an integrated luminosity of 200 pb-1 gathered at sqrt(s)=10 TeV. Solans Sánchez, Carlos Antonio 2010 2010 The ATLAS experiment of the LHC at CERN started its operation in 2009. The ROD Crate DAQ as a part of the Trigger and Data Acquisition system is responsible for the operation of the sub-detector specific hardware at the level of the back-end electronics crates. In particular, it is the framework that controls the Read-Out Driver of the ATLAS Tile Calorimeter which is responsible for the cell energy and time computation based on the Optimal Filtering algorithm. We describe the implementation of the ROD Crate DAQ for the ATLAS Tile Calorimeter. In first place how the specific Tile hardware and software is described in the configuration database. In second place, the characterization of the various plug-ins for the ROD Crate DAQ, specially the ones for the ROD and TBM motherboards. Results from the transition times of the ROD Crate DAQ measured in real data taking scenario during the year 2010 are presented. In the third place, we present the results from the Optimal Filtering validation in terms of energy resolution and time calibration of the calorimeter. A time based cut may be used to develop algorithms to search for the Higgs boson. One of the most interesting channels for this search is within the MSSM. In this model, the Higgs production cross section is enhanced quadratically by a parameter of the model, the tangent of beta, with respect to the Standard Model. It is possible to search for neutral MSSM Higgs bosons decayin g into Tau pairs by setting an upper exclusion limit to its cross section in case of a non observation or by establishing the discovery significance of an excess in the observation. It has been imported into ATLAS, the Bayesian technique developed at CDF to set upper exclusion limits to the Higgs boson production cross section and significance of a possible observation. This method takes into account systematic uncertainties, like luminosity and background cross section, that modify the normalization of the observables and also the contribution of the energy scale uncertainties, such as jet and electromagnetic, that change the shape of the observables. Expected results to the upper exclusion limits and discovery significances for neutral MSSM Higgs bosons decaying to Tau pairs are presented. These are very promising for ATLAS for the first two years of data taking. Schaarschmidt, Jana 2010 2010 This work presents a study of the discovery potential for the neutral supersymmetric Higgs bosons h/A/H decaying to tau pairs with the ATLAS experiment at the LHC. The study is based on Monte Carlo samples which are scaled to state-of-the-art cross sections. The analyses are designed assuming an integrated luminosity of 30 1/fb and a center-of-mass energy of sqrt(s) = 14 TeV. The results are interpreted in the m_h^max benchmark scenario. Two final states are analyzed: The dileptonic channel where the two tau leptons decay to electrons or muons and the lepton-hadron channel where one tau decays to an electron or muon and the other tau decays to hadrons. The study of the dilepton channel is based completely on the detailed ATLAS simulation, the analysis of the lepton-hadron channel is based on the fast simulation. The collinear approximation is used to reconstruct the Higgs boson mass and its performance is studied. Cuts are optimized in order to discriminate the signal from background and to maximize the discovery potential given a certain Higgs boson mass hypotheses. In the lepton-hadron channel the selection is split into two analyses depending on the number of identified b-jets. Procedures to estimate the dominant backgrounds from data are studied. The shape and normalization of the Z-&gt;tautau background are estimated from Z-&gt;ll control regions. The ttbar contributions to the signal regions are estimated from ttbar contr ol regions. The individual analyses are combined and sensitivity predictions are made depending on the Higgs boson mass m_A and the coupling parameter tanb. The light neutral MSSM Higgs bosons with m_A = 150 GeV can be discovered when at least tanb = 11 is realized in nature. The heavy neutral MSSM Higgs bosons with m_A = 800 GeV can be discovered for tanb ≥ 44. However, due to the large width of the reconstructed Higgs boson mass and the mass degeneration, only the sum of at least two of the three Higgs boson signals will be visible. Warsinsky, Markus Higgs U0 6420 MssM LHC ATLAS Muon 530 b-quark Monte-Carlo 2008 2008 This thesis presents a Monte Carlo study of neutral Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM) decaying into muons at the ATLAS experiment at the CERN Large Hadron Collider. Signal and background processes are simulated using novel Monte Carlo generators that incorporate parts of higher order corrections and are expected to give a more accurate prediction than previous programs. The SHERPA Monte Carlo generator is validated for its use in the analysis and compared to results obtained with other programs. Where possible, the Monte Carlo event samples are normalized to higher order calculations. To increase the available Monte Carlo statistics, this study is based on the ATLAS fast detector simulation ATLFAST. Differences between ATLFAST and the detailed detector simulation of ATLAS are examined, and, where possible, correction procedures are devised. A cut based analysis is performed assuming an integrated luminosity of 30 fb-1, and optimized with respect to the discovery potential for MSSM Higgs bosons. The systematic uncertainties of the event selection and the Monte Carlo predictions are estimated. A method that can be used to estimate the background from data is presented and evaluated. Last, the discovery potential of the ATLAS experiment in the CP conserving benchmark scenarios of the MSSM is evaluated. One or more of the neutral Higgs bosons of the MSSM can be discovered in the muonic decay mode usin g 30 fb-1 of data for low masses of the pseudoscalar boson A0, if the model parameter tanb is at least 20. For higher masses of the A0, tanb would need to be signi cantly higher to ensure a discovery in the studied decay channel. The sensitivity of ATLAS to MSSM Higgs bosons is multiple times larger than the one of previous and currently running experiments. Gentile, S PoS 10.22323/1.114.0015 015 Charged 2010 charged Higgs systematic HIGGS 2010 2010 The charged light MH+ &lt;Mtop MSSM Higgs boson production via t-&gt;bH+ and the subsequent decay into H+-&gt;csbar or H+ -&gt;taunu has been studied for the ATLAS experiment. The first channel, dominating at low tan beta region (&lt;1), is explored in the final state with 4 jets and one lepton and missing energy; the second, at high er tan beta region (&gt;3), is searched in two leptons and two jets and missing ener gy final state. The study has been performed using a realistic detector simulation of the s ignal and the SM backgrounds. The discovery sensitivity and the upper limit on BR(t-&gt;gt;b H+) as function of MH+ , assuming the Br(H-&gt;csbar)=1 or Br(H-&gt;taunu)=1, were discussed for different luminosity and center of mass energy scenarios: at root(s)=10 TeV with integrated luminosity=~200 pb-1 and at root(s) = 7 TeV with integrated luminosity = 1 fb-1, obtained using a rescaling tecnique. The main focus of the present paper is on the impact of systematics on these results. Göpfert, Thomas 2010 2010 This thesis presents a Monte Carlo study of the search for charged Higgs bosons heavier than the mass of the top quark within the Minimal Supersymmetric Standard Model (MSSM) at the ATLAS experiment at the CERN Large Hadron Collider. Charged Higgs bosons are predicted in many non-minimal Higgs extensions of the Standard Model. Their discovery would be a clear signal for the existence of New Physics beyond the Standard Model, possibly the first experimental evidence to be found if the MSSM is realized in nature. The feasibility of detecting the heavy charged Higgs boson with a mass up to 600 GeV is studied in the decay channel $H^{+}\rightarrow \bar{t}b$ for an integrated luminosity of 30 $fb^{−1}$ at a center-of-mass energy of $\sqrt{s}$=10TeV. A major difficulty for charged Higgs boson reconstruction is the combinatorial background in the complex multi-jet final state environment. It is shown that this can be overcome by applying a kinematic fitting procedure and by a subsequent cut-based event and candidate selection. An iterative solution of the developed kinematic fit with non-linear constraints is presented. In addition, the reconstruction of charged Higgs bosons makes high demands on the ability to identify jets containing b-hadrons. A special b-tagging algorithm is introduced and a comparison with first ATLAS data is presented showing good agreement of the expected performance. This study is performed with a realistic simul ation of the ATLAS detector and takes into account all dominant experimental uncertainties and statistical uncertainties arising from limited Monte Carlo statistics. The result is given in terms of discovery and exclusion contours in the $(m_{H^{+}}, tan\beta)$ parameter space in the $m_{h}$-max scenario of the MSSM. This study indicates that the heavy charged Higgs boson can be discovered in this decay channel only for large values of $tan\beta$. It, however, can contribute to a combined $H^{+}$ sensitivity including other decay channels. Compared to previous studies the discovery reach could be improved. Leney, KJC Burdin, S Vickey, T Higgs Tau MSSM HIGGS 2010 2010 A low mass Standard Model Higgs boson will require at least 10invfb~data before a discovery (or exclusion) can be claimed, but extensions to the Standard Model that realise Supersymmetry predict that there should be three neutral Higgs bosons. The production cross-section is strongly enhanced and it is therefore expected that competitive limits on an MSSM Higgs boson can be made using data from the 2010-2011 LHC data-taking period (1invfb~expected with 7~TeV~centre-of-mass collisions). A search strategy for an MSSM Higgs boson decaying to two taus is presented, focusing on ensuring analysis robustness during this early period. Nakamura, K 2010 2010 During the operation at the center-of-mass energy of 7~TeV, the LHC is expected to deliver up to 1~fb$^{-1}$ of $pp$ collision data by the end of 2011. Prospect for the Higgs searches at the LHC with 1~fb$^{-1}$ of integrated luminosity of data is discussed. Promising results are expected by two Higgs boson search channels which are Standard Model Higgs boson decaying to two $W$ bosons final state and MSSM Higgs decaying to two $ au$ lepton final state. Evans, H Klemetti, M Potter, C Yang, Y HIGGS 2011 2011 We present a search for a \CP -odd Higgs boson, \aone , with mass less than $2 m_B$, decaying to \mumu , using $\sim$37 \ipb\ of \pp\ collisions at \rts\ = 7 \TeV\ collected by the ATLAS detector at the LHC. Such a light Higgs is predicted in Next-to-Minimal Supersymmetric Models (NMSSM) designed to solve the $\mu$-term problem of the Minimal Supersymmetric Standard Model (MSSM). Its presence can significantly alter the phenomenology of the MSSM Higgs sector. We set new limits on the production cross-section for $gg \to \aone$ in the mass regions 6 -- 9 GeV and 11 -- 12 GeV. Anders, C Dingfelder, J Goussiou, A Gross, E Keller, J Kroseberg, J Lai, S Leney, K Ma, L Moeser, N Nakamura, K Pedraza Morales, I Rosati, S Schmitz, M Schwindt, Th Tanaka, J Thoma, S Vickey, T Warsinsky, M Wu, SL HIGGS 2011 2011 A search for neutral Higgs bosons $A$, $H$, $h$ in the Minimal Supersymmetric Standard Model with the ATLAS detector at the LHC is presented. The analysis is based on proton-proton collisions at a center-of-mass energy of $7\tev$, corresponding to an integrated luminosity of $36 \ipb$, and focuses on Higgs decays into two $\tau$ leptons, \Htotautau, where one $\tau$ lepton decays leptonically and the other hadronically. After signal selection, $206$ events are observed in this data sample. The observed number of events is consistent with the total background estimate of $195 \pm 33$ events, where the most important background contributions are obtained from data control samples. A $95\%$ confidence-level exclusion limit for MSSM $A/H/h$ production is derived as a function of the parameters $m_A$ and $\tan\beta$. Anders, C Dingfelder, J Goussiou, A Gross, E Keller, J Kroseberg, J Lai, S Leney, K Ma, L Moeser, N Nakamura, K Pedraza Morales, MI Rosati, S Schmitz, M Schwindt, Th Tanaka, J Thoma, S Vickey, T Warsinsky, M Wu, SL 2011 2011 A search for neutral Higgs bosons $A$, $H$, $h$ in the Minimal Supersymmetric Standard Model with the ATLAS detector at the LHC is presented. The analysis is based on proton-proton collisions at a center-of-mass energy of $7\tev$, corresponding to an integrated luminosity of $36 \ipb$, and focuses on Higgs decays into two $\tau$ leptons, \Htotautau, where one $\tau$ lepton decays leptonically and the other hadronically. After signal selection, $206$ events are observed in this data sample. The observed number of events is consistent with the total background estimate of $195 \pm 33$ events, where the most important background contributions are obtained from data control samples. A $95\%$ confidence-level exclusion limit for MSSM $A/H/h$ production is derived as a function of the parameters $m_A$ and $\tan\beta$. Arghir, S Behar, S Cavaliere, V Coadou, Y Czodrowski, P Flechl, M Kopp, A McCarn, A zur Nedden, M Neubauer, M Randle-Conde, A Rozen, Y Sekula, S Takahashi, Y Tomoto, M Vickey, T Xella, S Charged Higgs Boson Background Estimation ATLAS Data-driven 2011 2011 The experimental observation of charged Higgs bosons, $H^{\pm}$, which are theoretically predicted by many non-minimal Higgs scenarios, would indicate new physics beyond the Standard Model. In the Minimal Supersymmetric Standard Model, for example, the dominant production mode at the LHC for these Higgs bosons, when $m_{H^+} < m_t$, takes place in $t\overline{t}$ events via the top-quark decay $t\rightarrow H^{+}b$ with $H^{+}\rightarrow\tau \nu$ dominating for most values of $\tan\beta$. Two channels with a hadronically decaying $\tau$ coming from the charged Higgs boson are studied. The delivery of the first 37 pb$^{-1}$ of $\sqrt{s}=7$ TeV collision data allows many significant backgrounds to be estimated with data-driven methods, which represent the primary focus of this note and a crucial step towards ATLAS searches for the charged Higgs boson. Novakova, Jana Higgs boson sensitivity exclusion limits HIGGS 2011 2011 Higgs boson searches are one of the main goals of the ATLAS physics program. Higgs boson exclusion limits expected, with an integrated luminosity 1 fb-1 in proton-proton collisions at the centre of mass 7 TeV, are shown. This integrated luminosity can be reached by the end of year 2011 according to the LHC plans. The expected sensitivity for both, the Standard Model Higgs boson and the MSSM Higgs bosons, is discussed. The results are based on the Monte Carlo simulations rescaled from 14/10 TeV studies. Extraction of the background to the H -&gt; W +W - channel from real data is also shown. Novakova, Jana Higgs boson sensitivity exclusion limits HIGGS 2011 2011 Higgs boson searches are one of the main goals of the ATLAS physics program. Higgs boson exclusion limits expected, with an integrated luminosity 1 fb-1 in proton-proton collisions at the centre of mass 7 TeV, are shown. This integrated luminosity can be reached by the end of year 2011 according to the LHC plans. The expected sensitivity for both, the Standard Model Higgs boson and the MSSM Higgs bosons, is discussed. The results are based on the Monte Carlo simulations rescaled from 14/10 TeV studies. Extraction of the background to the H -&gt; W +W - channel from real data is also shown. Yuan, L HIGGS 2011 2011 The ATLAS experiment has searched for the the SM Higgs boson in decays to ZZ, WW and γγ final states and the H/A of the MSSM in ττ states. No significant evidence for a signal is found in any search, and limits are presented either as a multiple of the standard model expected rate or in the mA-tanβ plane. NMSSM 2011 2011 We present a search for a very light \CP -odd Higgs boson, \aone , decaying to \mumu , using 36.7 \ipb\ of \pp\ collisions at \rts\ = 7 \TeV\ recorded by the ATLAS detector at the LHC. Such a light Higgs is predicted in Next-to-Minimal Supersymmetric Standard Models (NMSSM) designed to solve the $\mu$-term problem of the Minimal Supersymmetric Standard Model (MSSM). Its presence can significantly alter the phenomenology of the MSSM Higgs sector. We set new limits on the production cross section times branching ratio, \sigggaBamm , for \aone\ masses of 6 -- 9 \GeV\ and 11 -- 12 \GeV , avoiding the region dominated by the \Ups\ resonances. 2011 2011 A search for neutral Higgs bosons $A$, $H$, $h$ in the Minimal Supersymmetric Standard Model with the ATLAS detector at the LHC is presented. The analysis is based on proton-proton collisions at a center-of-mass energy of $7\tev$, corresponding to an integrated luminosity of $36 \ipb$, and focuses on Higgs decays into two $\tau$ leptons, \Htotautau, where one $\tau$ lepton decays leptonically and the other hadronically. After signal selection, $206$ events are observed in this data sample. The observed number of events is consistent with the total background estimate of $195 \pm 33$ events, where the most important background contributions are obtained from data control samples. A $95\%$ confidence-level exclusion limit for MSSM $A/H/h$ production is derived as a function of the parameters $m_A$ and $\tan\beta$. Arghir, S Behar, S Cavaliere, V Coadou, Y Czodrowski, P Flechl, M Kopp, A McCarn, A zur Nedden, M Neubauer, M Randle-Conde, A Rozen, Y Sekula, S Takahashi, Y Tomoto, M Vickey, T Xella, S HIGGS 2011 2011 Theoretically predicted by many non-minimal Higgs scenarios, the experimental observation of charged Higgs bosons, $H^{\pm}$, would indicate new physics beyond the Standard Model. In the minimal supersymmetric extension to the Standard Model (MSSM), for example, the dominant production mode at the LHC for these Higgs bosons, when $m_{H^+} < m_t$, takes place in $t\overline{t}$ events via the top quark decay $t\rightarrow H^{+}b$ with $H^{+}\rightarrow\tau + \nu$ dominating for most values of $\tan\beta$, the ratio of the vacuum expectation values of the two Higgs doublets. This note considers both the $\tau+$ jets and $\tau+$ lepton channels with hadronically-decaying $\tau$s coming from the charged Higgs. The delivery of the first $\sqrt{s}=7$ TeV collision data allows for the estimation of many significant backgrounds to be done in a data-driven way, the primary focus of this note and a crucial step toward searches for these bosons. Moeser, N Higgs, limits, SM, MSSM, NMSSM HIGGS 2011 2011 Higgs boson searches in the Standard Model, the Minimal Supersymmetric Standard Modell and Next-to-Minimal Supersymmetric Standard Modell are presented. The searches are based on data taken in 2010. Exclusion limits in all channels are established. Gross, E Nakamura, K Nativ, E Pitt, M von Radziewski, H Schillo, C Silbert, O Schumacher, M Tanaka, J Warsinsky, M HIGGS 2011 2011 A search for neutral Higgs bosons decaying to a pair of tau leptons in the final state $e \mu + 4$ neutrinos is presented based on proton-proton collisions at a center-of-mass energy of $7\tev$, corresponding to an integrated luminosity of \currentlumi. After applying the signal selection, $70$ events are observed in this data sample. The observed number of events is consistent with the total background estimate of $61 \pm 8$ events {\it numbers need to be checked !}. A model independent limit on production of a scalar boson $\phi$ decaying to a pair of tau leptons $\sigma(pp\to\phi)\times BR(\phi\to\tau\tau)$ is derived at $95\%$ confidence-level. The results is also interpreted as a limit on $h/H/A$ production in the context of the Minimal Supersymmetric Standard Model (MSSM), where parameter space in the \tanb-vs.-\MA plane of the $M_\mathrm{h}^\mathrm{max}$ scenario of the MSSM is excluded. Anders, C Dingfelder, J Goussiou, A Gross, E Keller, J Kroseberg, J Lai, S Leney, K Ma, L Moeser, N Nakamura, K Pedraza Morales, MI Rosati, S Schmitz, M Schwindt, Th Tanaka, J Thoma, S Vickey, T Warsinsky, M Wu, SL HIGGS 2011 2011 A search for the neutral Higgs bosons $A$, $H$, and $h$ in the Minimal Supersymmetric Standard Model (MSSM) with the ATLAS detector at the LHC is presented. The analysis is based on proton-proton collisions at a center-of-mass energy of $7 Tev$, corresponding to an integrated luminosity of $36.5$ pb$^{-1}$, and focuses on Higgs decays Htotautau, where one $ au$ lepton decays leptonically and the other hadronically. After signal selection, $206$ events are observed in this data sample. The observed number of events is consistent with the total background estimate of $195 pm 33$ events, where the most important background contributions are estimated or validated with data control samples. Exclusion limits at the $95%$ confidence level are derived for the Higgs production cross section as a function of the Higgs mass and for MSSM $A/H/h$ production as a function of the parameters $m_A$ and $tan beta$. Anders, C Dingfelder, J Goussiou, A Gross, E Keller, J Kroseberg, J Lai, S Leney, K Ma, L Moeser, N Nakamura, K Nativ, E Pedraza Morales, I Pitt, M Rosati, S Schillo, C Silbert, O Schmitz, M Schumacher, M Schwindt, T Tanaka, J Thoma, S Vickey, T von Radziewski, H Warsinsky, M Wu, SL HIGGS 2011 2011 A search for the neutral Higgs bosons $A$, $H$, and $h$ in the Minimal Supersymmetric Standard Model (MSSM) with the ATLAS detector at the LHC is presented. The analysis is based on proton-proton collisions at a center-of-mass energy of $7 Tev$, corresponding to an integrated luminosity of $36.5$ pb$^{-1}$, and focuses on Higgs decays Higgs -> tau+ tau-. After signal selection, $276$ events are observed in this data sample. The observed number of events is consistent with the total background estimate of $257 pm 40$ events, where the most important background contributions are estimated or validated with data control samples. Exclusion limits at the $95%$ confidence level are derived for the Higgs production cross section as a function of the Higgs mass and for MSSM $A/H/h$ production as a function of the parameters $m_A$ and $tan beta$. Anders, C Dingfelder, J Goussiou, A Gross, E Keller, J Kroseberg, J Lai, S Leney, K Ma, L Moeser, N Nakamura, K Pedraza Morales, I Rosati, S Schmitz, M Schwindt, Th Tanaka, J Thoma, S Vickey, T Warsinsky, M Wu, SL HIGGS 2011 2011 A search for neutral Higgs bosons $A$, $H$, $h$ in the Minimal Supersymmetric Standard Model with the ATLAS detector at the LHC is presented. The analysis is based on proton-proton collisions at a center-of-mass energy of $7\tev$, corresponding to an integrated luminosity of $36 \ipb$, and focuses on Higgs decays into two $\tau$ leptons, \Htotautau, where one $\tau$ lepton decays leptonically and the other hadronically. After signal selection, $206$ events are observed in this data sample. The observed number of events is consistent with the total background estimate of $195 \pm 33$ events, where the most important background contributions are obtained from data control samples. A $95\%$ confidence-level exclusion limit for MSSM $A/H/h$ production is derived as a function of the parameters $m_A$ and $\tan\beta$. Elmsheuser, J HIGGS 2011 2011 First results on Higgs boson searches (SM + MSSM) and prospects from ATLAS Kuehn, S EWEAK HIGGS TAUPERF TAUPERF 2011 2011 Tau Leptons play an important role in Higgs and New Physics searches. In the talk results using data from pp collisions at 7 TeV, collected during 2010, with the ATLAS detector are presented. The observation of Z and W bosons decaying to Tau Leptons is shown. And results of searches for Charged and Neutral Higgs bosons of MSSM decaying in tau final are reported. Cavaliere, V Czodrowski, P Flechl, M Isaksson, C Kopp, A Martyniuk, A McCarn, A Owen, M zur Nedden, M Neubauer, M Patel, N Randle-Conde, A Riu, I Saavedra, A Sekula, S Vickey, T charged Higgs Higgs search HIGGS 2011 2011 This note presents the results of a search for charged Higgs bosons, $H^{\pm}$, in 1.03 fb$^{-1}$ of proton-proton collision data recorded at $\sqrt{s}=7$ TeV with the ATLAS experiment at the LHC using the $\tau$+jets channel in $t\overline{t}$ decays with a hadronically decaying $\tau$ lepton in the final state. The data agree with the SM expectation leading to a limit on the product of branching ratios BR($t \to bH^{\pm}) \times$ BR($H^\pm \to \tau\nu$) of $0.03-0.10$ for $H^\pm$ masses in the range $90 \GeV<m_{H^\pm}<160 \GeV$. In the context of the MSSM values of $\tan \beta$ larger than $22-30$ are excluded in the mass range $90 \GeV< m_{H^\pm}< 140 \GeV$. Schwindt, T HIGGS, SUSY, LIMITS, MSSM, NMSSM HIGGS 2011 2011 This poster presents results on searches for charged and neutral Higgs bosons of the MSSM and NMSSM. Limits are set on cross section times branching ratio for MSSM H/A-&gt;tautau, which in places surpass the Tevatron bounds, and for a light a1-&gt;mumu decay in the NMSSM. Additional studies on discrimination varibles and background estimation for H+ -&gt; tau nu searches in hadronic modes are also shown. Schumacher, M HIGGS 2011 2011 The results of Higgs Boson searches with the ATLAS detector based on 2010 proton proton collision data corresponding to integrated luminosities of to 39 pb$^{-1}$ are presented. Searches for H to 2 photons, H to W⁺W⁻ to l nu l nu, and H to ZZ to l+ l-/nunu and l+l-, in the context of the Standard Model (SM), for H to tau tau in the context of the Minimal Supersymmetric Extension of the Standard Model (MSSM) and for a generic scalar at low mass in the vicinity of the $Upsilon$ resonance decaying to a pair of muons are discussed. All observations are in agreement with the expectations from the background-only hypothesis. Hence exclusion limits at 95% confidence level are derived. Schumacher, Markus 15-21 HIGGS 2011 2011 The results of Higgs Boson searches with the ATLAS detector based on 2010 proton proton collision data corresponding to integrated luminosities of up to 39 pb-1are presented. Searches for H --> 2 photons, H --> W+W- --> l+l- 2 neutrinos and H --> ZZ --> l+l- 2 neutrinos / l+l- qqbar in the context of the Standard Model (SM), for H--> tau+ tau- in the context of the Minimal Supersymmetric Extension of the Standard Model (MSSM) and for a generic scalar at low mass in the vicinity of the Ypsilon resonance decaying to a pair of muons are discussed. All observations are in agreement with the expectations from the background-only hypothesis. Hence exclusion limits at 95% confidence level are derived "Hoffman, J A Higgs Boson Standard Model MSSM ATLAS Detector Higgs searches Hadron Structure 2011 HS11 HIGGS 2011 2011 In this talk, we discuss search strategies for the Higgs boson with the ATLAS detector at the LHC. A summary of the sensitivity of ATLAS to discover a Standard Model Higgs boson will be presented in various decay channels. Some prospects for Minimal Supersymmetric Standard Model Higgs searches are also included. Furthermore, we present the latest results based on the ATLAS data collected in 2010 and 2011. Limits are given on the production cross section relative to the Standard Model and to the MSSM predictions at the 95% CL. Barberio, E Beckingham, M Chen, X Ferrer, A Fiorini, L Flechl, M Gross, E Gumpert, C Mellado, B Pan, Y Pitt, M von Radziewski, H Schumacher, M Schillo, C Shao, T Silbert, O Solans, C Tanaka, J Torralba, G Utecht, N Valls, J Warsinsky, M Higgs ATLAS LHC Standard Model Minimal Supersymmetric Standard Model tau tau dilepton HIGGS 2011 2011 A search for neutral Higgs bosons is presented based on proton-proton collisions at a nominal center-of-mass energy of 7 TeV corresponding to an integrated luminosity of 1.06 fb-1. This search focuses on the decay mode Htotautau where the two tau lepton decays leptonically. After applying the signal selection, the observed number of events is consistent with the total background estimate in the inclusive data sample and 1 in the >=1-jet data sample. The results are interpreted in the context of the Standard Model (SM) and Minimal Supersymmetric Standard Model (MSSM) and exclusion limits are derived as a function of m_H and tanb-vs.-M_A plane respectively. Flechl, M MSSM Higgs EPS ATLAS tau HIGGS 2011 2011 Talk for EPS 2011 on the status of ATLAS results on MSSM Higgs boson searches. Presented are results on h/A/H-&gt;tautau, H+-&gt;cs, and H+-&gt;taunu. Grohs, J P Kortner, S Stern, S Vest, A HIGGS 2011 2011 This note presents the search for neutral MSSM Higgs bosons decaying into two muons with the ATLAS detector at the LHC. The analysis is performed on 1067 pb$^{-1}$ of proton-proton collisions at a centre of mass energy of $\sqrt{s}$ = 7 TeV. Exclusion limits are evaluated as a function of $m_A$ and $\tan\beta$ in inclusive dimuon final states for neutral MSSM Higgs boson masses from 110 to 250 GeV. Barberio, E Davey, W Dingfelder, J Dhaliwal, S Glatzer, J Hanninger, G N Mader, W Morgenstern, M Pranko, A Rosendahl, P Straessner, A Stugu, B Urquijo, P Varouchas, D Volpi, M Xella, S Zanzi, D Zinonos, Z HIGGS 2011 2011 A search for neutral MSSM Higgs bosons $A$, $H$, $h$ with the ATLAS detector at the LHC is presented. The analysis is based on proton-proton collisions at a center-of-mass energy of $7 TeV$, corresponding to an integrated luminosity of 653.3/pb and focuses on Higgs decays into two $\tau$ leptons, $A/H/h \to \tau^+ \tau^-$, where both $\tau$ leptons decay hadronically. After signal selection, 126 events are observed in this data sample. The observed number of events is consistent with the background estimate of 133 $\pm$ 13 (stat) $\pm$ X (syst) events. An exclusion limit for the neutral MSSM CP-odd Higgs boson production is derived as a function of cross section times branching ratio. This limit is also presented as a function of two parameters $m_A$ and $\tan\beta$. Anders, C Banerjee, S Boddy, C Bristow, T Dingfelder, J Farrington, S Galea, C Hanawa, K Heng, Y Hsu, S-C Keller, J Kroseberg, J Leney, KJC Nakamura, K Pedraza-Morales, M-I Pranko, A Rompotis, N Schwindt, T Tanaka, J Thoma, S Varouchas, D Vickey, T Wang, T Wu, S-L SM MSSM tau tau Lep Had HIGGS 2011 2011 A search for neutral Higgs bosons decaying into pairs of τ leptons performed with the ATLAS detector at the LHC is presented. The analysis is based on proton-proton collisions at a center-of-mass energy of 7 TeV, corresponding to an integrated luminosity of 1063 pb−1, and focuses on final states where one τ lepton decays leptonically and the other hadronically. After signal selection, 1993 events are observed in this data sample. The observed number of events is consistent with the total background estimate of 2100 ± 321 events, which is obtained using a combination of Monte Carlo and data driven techniques. Exclusion limits are derived as a function of production cross section times branching ratio for a generic Higgs boson φ as a function of Higgs boson mass and for the case of the Minimal Supersymmetric Standard Model (MSSM) also expressed as a function of the parameters mA and tan β. Mader, W Higgs MSSM NMSSM Tau Mu HIGGS 2011 2011 BSM Higgs Searches Vickey, T Higgs boson searches MSSM NMSSM HIGGS 2011 2011 The search for the neutral and charged Higgs boson(s) beyond the Standard Model is presented, based on the ATLAS data collected in 2010 and 2011. A wide region of the MSSM parameter space is excluded via searches for Higgs boson decays into two tau-leptons, with an additional sensitivity improvement from the di-muon decay channel. The di-muon final state is additionally explored in the region of invariant masses below 12 GeV, motivated by the search for the light CP-odd Higgs boson predicted by the Next-to-Minimal Supersymmetric Models. The experimental observation of charged Higgs bosons would provide a clear signature of the physics beyond the Standard Model. Several final state topologies are explored, with Higgs bosons originating from the top-quark decays in top pair events and subsequently decaying into tau+nu or c bar{s}. Abbott, Brad Abdallah, Jalal Abdelalim, Ahmed Ali Abdesselam, Abdelouahab Abdinov, Ovsat Abi, Babak Abolins, Maris Abramowicz, Halina Abreu, Henso Acerbi, Emilio Acharya, Bobby Samir Adams, David Addy, Tetteh Adelman, Jahred Aderholz, Michael Adomeit, Stefanie Adragna, Paolo Adye, Tim Aefsky, Scott Aguilar-Saavedra, Juan Antonio Aharrouche, Mohamed Ahlen, Steven Ahles, Florian Ahmad, Ashfaq Ahsan, Mahsana Aielli, Giulio Akdogan, Taylan Akesson, Torsten Paul Akimoto, Ginga Akimov, Andrei Akiyama, Kunihiro Alam, Mohammad Alam, Muhammad Aftab Albert, Justin Albrand, Solveig Aleksa, Martin Aleksandrov, Igor Alessandria, Franco Alexa, Calin Alexander, Gideon Alexandre, Gauthier Alexopoulos, Theodoros Alhroob, Muhammad Aliev, Malik Alimonti, Gianluca Alison, John Aliyev, Magsud Allport, Phillip Allwood-Spiers, Sarah Almond, John Aloisio, Alberto Alon, Raz Alonso, Alejandro Alviggi, Mariagrazia Amako, Katsuya Amaral, Pedro Amelung, Christoph Ammosov, Vladimir Amorim, Antonio Amoros, Gabriel Amram, Nir Anastopoulos, Christos Andari, Nansi Andeen, Timothy Anders, Christoph Falk Anderson, Kelby Andreazza, Attilio Andrei, George Victor Andrieux, Marie-Laure Anduaga, Xabier Angerami, Aaron Anghinolfi, Francis Anjos, Nuno Annovi, Alberto Antonaki, Ariadni Antonelli, Mario Antonov, Alexey Antos, Jaroslav Anulli, Fabio Aoun, Sahar Aperio Bella, Ludovica Apolle, Rudi Arabidze, Giorgi Aracena, Ignacio Arai, Yasuo Arce, Ayana Archambault, John-Paul Arfaoui, Samir Arguin, Jean-Francois Arik, Engin Arik, Metin Armbruster, Aaron James Arnaez, Olivier Arnault, Christian Artamonov, Andrei Artoni, Giacomo Arutinov, David Asai, Shoji Asfandiyarov, Ruslan Ask, Stefan Asman, Barbro Asquith, Lily Assamagan, Ketevi Astbury, Alan Astvatsatourov, Anatoli Atoian, Grigor Aubert, Bernard Auerbach, Benjamin Auge, Etienne Augsten, Kamil Aurousseau, Mathieu Austin, Nicholas Avolio, Giuseppe Avramidou, Rachel Maria Axen, David Ay, Cano Azuelos, Georges Azuma, Yuya Baak, Max Baccaglioni, Giuseppe Bacci, Cesare Bach, Andre Bachacou, Henri Bachas, Konstantinos Bachy, Gerard Backes, Moritz Backhaus, Malte Badescu, Elisabeta Bagnaia, Paolo Bahinipati, Seema Bai, Yu Bailey, David Bain, Travis Baines, John Baker, Oliver Keith Baker, Mark Baker, Sarah Baltasar Dos Santos Pedrosa, Fernando Banas, Elzbieta Banerjee, Piyali Banerjee, Swagato Banfi, Danilo Bangert, Andrea Michelle Bansal, Vikas Bansil, Hardeep Singh Barak, Liron Baranov, Sergei Barashkou, Andrei Galtieri, Angela Barbaro Barber, Tom Barberio, Elisabetta Luigia Barberis, Dario Barbero, Marlon Bardin, Dmitri Barillari, Teresa Barisonzi, Marcello Barklow, Timothy Barlow, Nick Barnett, Bruce Barnett, Michael Baroncelli, Antonio Barone, Gaetano Barr, Alan Barreiro, Fernando Barreiro Guimaraes da Costa, Joao Barrillon, Pierre Bartoldus, Rainer Barton, Adam Edward Bartsch, Detlef Bartsch, Valeria Bates, Richard Batkova, Lucia Batley, Richard Battaglia, Andreas Battistin, Michele Battistoni, Giuseppe Bauer, Florian Bawa, Harinder Singh Beare, Brian Beau, Tristan Beauchemin, Pierre-Hugues Beccherle, Roberto Bechtle, Philip Beck, Hans Peter Beckingham, Matthew Becks, Karl-Heinz Beddall, Andrew Beddall, Ayda Bedikian, Sourpouhi Bednyakov, Vadim Bee, Christopher Begel, Michael Behar Harpaz, Silvia Behera, Prafulla Beimforde, Michael Belanger-Champagne, Camille Bell, Paul Bell, William Bella, Gideon Bellagamba, Lorenzo Bellina, Francesco Bellomo, Massimiliano Belloni, Alberto Beloborodova, Olga Belotskiy, Konstantin Beltramello, Olga Ben Ami, Sagi Benary, Odette Benchekroun, Driss Benchouk, Chafik Bendel, Markus Benedict, Brian Hugues Benekos, Nektarios Benhammou, Yan Benjamin, Douglas Benoit, Mathieu Bensinger, James Benslama, Kamal Bentvelsen, Stan Berge, David Bergeaas Kuutmann, Elin Berger, Nicolas Berghaus, Frank Berglund, Elina Beringer, Jurg Bernardet, Karim Bernat, Pauline Bernhard, Ralf Bernius, Catrin Berry, Tracey Bertin, Antonio Bertinelli, Francesco Bertolucci, Federico Besana, Maria Ilaria Besson, Nathalie Bethke, Siegfried Bhimji, Wahid Bianchi, Riccardo-Maria Bianco, Michele Biebel, Otmar Bieniek, Stephen Paul Biesiada, Jed Biglietti, Michela Bilokon, Halina Bindi, Marcello Binet, Sebastien Bingul, Ahmet Bini, Cesare Biscarat, Catherine Bitenc, Urban Black, Kevin Blair, Robert Blanchard, Jean-Baptiste Blanchot, Georges Blazek, Tomas Blocker, Craig Blocki, Jacek Blondel, Alain Blum, Walter Blumenschein, Ulrike Bobbink, Gerjan Bobrovnikov, Victor Bocchetta, Simona Serena Bocci, Andrea Boddy, Christopher Richard Boehler, Michael Boek, Jennifer Boelaert, Nele Boser, Sebastian Bogaerts, Joannes Andreas Bogdanchikov, Alexander Bogouch, Andrei Bohm, Christian Boisvert, Veronique Bold, Tomasz Boldea, Venera Bolnet, Nayanka Myriam Bona, Marcella Bondarenko, Valery Boonekamp, Maarten Boorman, Gary Booth, Chris Bordoni, Stefania Borer, Claudia Borisov, Anatoly Borissov, Guennadi Borjanovic, Iris Borroni, Sara Bos, Kors Boscherini, Davide Bosman, Martine Boterenbrood, Hendrik Botterill, David Bouchami, Jihene Boudreau, Joseph Bouhova-Thacker, Evelina Vassileva Boulahouache, Chaouki Bourdarios, Claire Bousson, Nicolas Boveia, Antonio Boyd, James Boyko, Igor Bozhko, Nikolay Bozovic-Jelisavcic, Ivanka Bracinik, Juraj Braem, Andre Branchini, Paolo Brandenburg, George Brandt, Andrew Brandt, Gerhard Brandt, Oleg Bratzler, Uwe Brau, Benjamin Brau, James Braun, Helmut Brelier, Bertrand Bremer, Johan Brenner, Richard Bressler, Shikma Breton, Dominique Britton, Dave Brochu, Frederic Brock, Ian Brock, Raymond Brodbeck, Timothy Brodet, Eyal Broggi, Francesco Bromberg, Carl Brooijmans, Gustaaf Brooks, William Brown, Gareth Brown, Heather Bruckman de Renstrom, Pawel Bruncko, Dusan Bruneliere, Renaud Brunet, Sylvie Bruni, Alessia Bruni, Graziano Bruschi, Marco Buanes, Trygve Bucci, Francesca Buchanan, James Buchanan, Norman Buchholz, Peter Buckingham, Ryan Buckley, Andrew Buda, Stelian Ioan Budagov, Ioulian Budick, Burton Buscher, Volker Bugge, Lars Buira-Clark, Daniel Bulekov, Oleg 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Hernandez, Alfredo Martin Castaneda-Miranda, Elizabeth Castillo Gimenez, Victoria Castro, Nuno Filipe Cataldi, Gabriella Cataneo, Fernando Catinaccio, Andrea Catmore, James Cattai, Ariella Cattani, Giordano Caughron, Seth Cauz, Diego Cavalleri, Pietro Cavalli, Donatella Cavalli-Sforza, Matteo Cavasinni, Vincenzo Ceradini, Filippo Santiago Cerqueira, Augusto Cerri, Alessandro Cerrito, Lucio Cerutti, Fabio Cetin, Serkant Ali Cevenini, Francesco Chafaq, Aziz Chakraborty, Dhiman Chan, Kevin Chapleau, Bertrand Chapman, John Derek Chapman, John Wehrley Chareyre, Eve Charlton, Dave Chavda, Vikash Chavez Barajas, Carlos Alberto Cheatham, Susan Chekanov, Sergei Chekulaev, Sergey Chelkov, Gueorgui Chelstowska, Magda Anna Chen, Chunhui Chen, Hucheng Chen, Shenjian Chen, Tingyang Chen, Xin Cheng, Shaochen Cheplakov, Alexander Chepurnov, Vladimir Cherkaoui El Moursli, Rajaa Chernyatin, Valeriy Cheu, Elliott Cheung, Sing-Leung Chevalier, Laurent Chiefari, Giovanni Chikovani, Leila Childers, John Taylor Chilingarov, Alexandre Chiodini, Gabriele Chizhov, Mihail Choudalakis, Georgios Chouridou, Sofia Christidi, Illectra-Athanasia Christov, Asen Chromek-Burckhart, Doris Chu, Ming-Lee Chudoba, Jiri Ciapetti, Guido Ciba, Krzysztof Ciftci, Abbas Kenan Ciftci, Rena Cinca, Diane Cindro, Vladimir Ciobotaru, Matei Dan Ciocca, Claudia Ciocio, Alessandra Cirilli, Manuela Ciubancan, Mihai Clark, Allan G. Clark, Philip James Cleland, Bill Clemens, Jean-Claude Clement, Benoit Clement, Christophe Clifft, Roger Coadou, Yann Cobal, Marina Coccaro, Andrea Cochran, James H. Coe, Paul Cogan, Joshua Godfrey Coggeshall, James Cogneras, Eric Cojocaru, Claudiu Colas, Jacques Colijn, Auke-Pieter Collard, Caroline Collins, Neil Collins-Tooth, Christopher Collot, Johann Colon, German Conde Muino, Patricia Coniavitis, Elias Conidi, Maria Chiara Consonni, Michele Consorti, Valerio Constantinescu, Serban Conta, Claudio Conventi, Francesco Cook, James Cooke, Mark Cooper, Ben Cooper-Sarkar, Amanda Cooper-Smith, Neil Copic, Katherine Cornelissen, Thijs Corradi, Massimo Corriveau, Francois Cortes-Gonzalez, Arely Cortiana, Giorgio Costa, Giuseppe Costa, Maria Jose Costanzo, Davide Costin, Tudor Cote, David Coura Torres, Rodrigo Courneyea, Lorraine Cowan, Glen Cowden, Christopher Cox, Brian Cranmer, Kyle Crescioli, Francesco Cristinziani, Markus Crosetti, Giovanni Crupi, Roberto Crepe-Renaudin, Sabine Cuciuc, Constantin-Mihai Cuenca Almenar, Cristobal Donszelmann, Tulay Cuhadar Curatolo, Maria Curtis, Chris Cwetanski, Peter Czirr, Hendrik Czyczula, Zofia D'Auria, Saverio D'Onofrio, Monica D'Orazio, Alessia Da Silva, Paulo Vitor Da Via, Cinzia Dabrowski, Wladyslaw Dai, Tiesheng Dallapiccola, Carlo Dam, Mogens Dameri, Mauro Damiani, Daniel Danielsson, Hans Olof Dannheim, Dominik Dao, Valerio Darbo, Giovanni Darlea, Georgiana Lavinia Daum, Cornelis Dauvergne, Jean-Pierre Davey, Will Davidek, Tomas Davidson, Nadia Davidson, Ruth Davies, Eleanor Davies, Merlin Davison, Adam Davygora, Yuriy Dawe, Edmund Dawson, Ian Dawson, John Daya, Rozmin De, Kaushik De Asmundis, Riccardo De Castro, Stefano De Castro Faria Salgado, Pedro De Cecco, Sandro de Graat, Julien De Groot, Nicolo de Jong, Paul de la Taille, Christophe de la Torre, Hector De Lotto, Barbara De Mora, Lee De Nooij, Lucie De Oliveira Branco, Miguel De Pedis, Daniele De Salvo, Alessandro De Sanctis, Umberto De Santo, Antonella de Vivie De Regie, Jean-Baptiste Dean, Simon Dedovich, Dmitri Degenhardt, James Dehchar, Mohamed del Papa, Carlo del Peso, Jose del Prete, Tarcisio Deliyergiyev, Maksym Dell'Acqua, Andrea Dell'Asta, Lidia Della Pietra, Massimo della Volpe, Domenico Delmastro, Marco Delpierre, Pierre Delruelle, Nicolas Delsart, Pierre-Antoine Deluca, Carolina Demers, Sarah Demichev, Mikhail Demirkoz, Bilge Deng, Jianrong Denisov, Sergey Derendarz, Dominik Derkaoui, Jamal Eddine Derue, Frederic Dervan, Paul Desch, Klaus Kurt Devetak, Erik Deviveiros, Pier-Olivier Dewhurst, Alastair DeWilde, Burton Dhaliwal, Saminder Dhullipudi, Ramasudhakar Di Ciaccio, Anna Di Ciaccio, Lucia Di Girolamo, Alessandro Di Girolamo, Beniamino Di Luise, Silvestro Di Mattia, Alessandro Di Micco, Biagio Di Nardo, Roberto Di Simone, Andrea Di Sipio, Riccardo Diaz, Marco Aurelio Diblen, Faruk Diehl, Edward Dietrich, Janet Dietzsch, Thorsten Diglio, Sara Yagci, Kamile Dindar Dingfelder, Jochen Dionisi, Carlo Dita, Petre Dita, Sanda Dittus, Fridolin Djama, Fares Djobava, Tamar Barros do Vale, Maria Aline Do Valle Wemans, Andre Doan, Thi Kieu Oanh Dobbs, Matt Dobinson, Robert Dobos, Daniel Dobson, Ellie Dobson, Marc Dodd, Jeremy Doglioni, Caterina Doherty, Tom Doi, Yoshikuni Dolejsi, Jiri Dolenc, Irena Dolezal, Zdenek Dolgoshein, Boris Dohmae, Takeshi Donadelli, Marisilvia Donega, Mauro Donini, Julien Dopke, Jens Doria, Alessandra dos Anjos, Andre Dosil, Mireia Dotti, Andrea Dova, Maria-Teresa Dowell, John Doxiadis, Alexander Doyle, Tony Drasal, Zbynek Drees, Jurgen Dressnandt, Nandor Drevermann, Hans Driouichi, Chafik Dris, Manolis Dubbert, Jorg Dubbs, Tim Dube, Sourabh Duchovni, Ehud Duckeck, Guenter Dudarev, Alexey Dudziak, Fanny Duhrssen, Michael Duerdoth, Ian Duflot, Laurent Dufour, Marc-Andre Dunford, Monica Duran Yildiz, Hatice Duxfield, Robert Dwuznik, Michal Dydak, Friedrich Dzahini, Daniel Duren, Michael Ebenstein, William Ebke, Johannes Eckert, Simon Eckweiler, Sebastian Edmonds, Keith Edwards, Clive Edwards, Nicholas Charles Ehrenfeld, Wolfgang Ehrich, Thies Eifert, Till Eigen, Gerald Einsweiler, Kevin Eisenhandler, Eric Ekelof, Tord El Kacimi, Mohamed Ellert, Mattias Elles, Sabine Ellinghaus, Frank Ellis, Katherine Ellis, Nicolas Elmsheuser, Johannes Elsing, Markus Ely, Robert Emeliyanov, Dmitry Engelmann, Roderich Engl, Albert Epp, Brigitte Eppig, Andrew Erdmann, Johannes Ereditato, Antonio Eriksson, Daniel Ernst, Jesse Ernst, Michael Ernwein, Jean Errede, Deborah Errede, Steven Ertel, Eugen Escalier, Marc Escobar, Carlos Espinal Curull, Xavier Esposito, Bellisario Etienne, Francois Etienvre, Anne-Isabelle Etzion, Erez Evangelakou, Despoina Evans, Hal Fabbri, Laura Fabre, Caroline Fakhrutdinov, Rinat Falciano, Speranza Fang, Yaquan Fanti, Marcello Farbin, Amir Farilla, Addolorata Farley, Jason Farooque, Trisha Farrington, Sinead Farthouat, Philippe Fassnacht, Patrick Fassouliotis, Dimitrios Fatholahzadeh, Baharak Favareto, Andrea Fayard, Louis Fazio, Salvatore Febbraro, Renato Federic, Pavol Fedin, Oleg Fedorko, Woiciech Fehling-Kaschek, Mirjam Feligioni, Lorenzo Fellmann, Denis Felzmann, Ulrich Feng, Cunfeng Feng, Eric Fenyuk, Alexander Ferencei, Jozef Ferland, Jonathan Fernando, Waruna Ferrag, Samir Ferrando, James Ferrara, Valentina Ferrari, Arnaud Ferrari, Pamela Ferrari, Roberto Ferrer, Antonio Ferrer, Maria Lorenza Ferrere, Didier Ferretti, Claudio Ferretto Parodi, Andrea Fiascaris, Maria Fiedler, Frank Filipcic, Andrej Filippas, Anastasios Filthaut, Frank Fincke-Keeler, Margret Fiolhais, Miguel Fiorini, Luca Firan, Ana Fischer, Gordon Fischer, Peter Fisher, Matthew Fisher, Steve Flechl, Martin Fleck, Ivor Fleckner, Johanna Fleischmann, Philipp Fleischmann, Sebastian Flick, Tobias Flores Castillo, Luis Flowerdew, Michael Fohlisch, Florian Fokitis, Manolis Fonseca Martin, Teresa Forbush, David Alan Formica, Andrea Forti, Alessandra Fortin, Dominique Foster, Joe Fournier, Daniel Foussat, Arnaud Fowler, Andrew Fowler, Ken Fox, Harald Francavilla, Paolo Franchino, Silvia Francis, David Frank, Tal Franklin, Melissa Franz, Sebastien Fraternali, Marco Fratina, Sasa French, Sky Froeschl, Robert Froidevaux, Daniel Frost, James Fukunaga, Chikara Fullana Torregrosa, Esteban Fuster, Juan Gabaldon, Carolina Gabizon, Ofir Gadfort, Thomas Gadomski, Szymon Gagliardi, Guido Gagnon, Pauline Galea, Cristina Gallas, Elizabeth Gallas, Manuel Gallo, Valentina Santina Gallop, Bruce Gallus, Petr Galyaev, Eugene Gan, K.K. Gao, Yongsheng Gapienko, Vladimir Gaponenko, Andrei Garberson, Ford Garcia-Sciveres, Maurice Garcia, Carmen Garcia Navarro, Jose Enrique Gardner, Robert Garelli, Nicoletta Garitaonandia, Hegoi Garonne, Vincent Garvey, John Gatti, Claudio Gaudio, Gabriella Gaumer, Olivier Gaur, Bakul Gauthier, Lea Gavrilenko, Igor Gay, Colin Gaycken, Goetz Gayde, Jean-Christophe Gazis, Evangelos Ge, Peng Gee, Norman Geerts, Daniel Alphonsus Adrianus Geich-Gimbel, Christoph Gellerstedt, Karl Gemme, Claudia Gemmell, Alistair Genest, Marie-Helene Gentile, Simonetta George, Matthias George, Simon Gerlach, Peter Gershon, Avi Geweniger, Christoph Ghazlane, Hamid Ghez, Philippe Ghodbane, Nabil Giacobbe, Benedetto Giagu, Stefano Giakoumopoulou, Victoria Giangiobbe, Vincent Gianotti, Fabiola Gibbard, Bruce Gibson, Adam Gibson, Stephen Gilbert, Laura Gilchriese, Murdock Gilewsky, Valentin Gillberg, Dag Gillman, Tony Gingrich, Douglas Ginzburg, Jonatan Giokaris, Nikos Giordano, Raffaele Giorgi, Francesco Michelangelo Giovannini, Paola Giraud, Pierre-Francois Giugni, Danilo Giunta, Michele Giusti, Paolo Gjelsten, Borge Kile Gladilin, Leonid Glasman, Claudia Glatzer, Julian Glazov, Alexandre Glitza, Karl-Walter Glonti, George Godfrey, Jennifer Godlewski, Jan Goebel, Martin Gopfert, Thomas Goeringer, Christian Gossling, Claus Gottfert, Tobias Goldfarb, Steven Goldin, Daniel Golling, Tobias Golovnia, Serguei Gomes, Agostinho Gomez Fajardo, Luz Stella Goncalo, Ricardo Goncalves Pinto Firmino Da Costa, Joao Gonella, Laura Gonidec, Allain Gonzalez, Saul Gonzalez de la Hoz, Santiago Gonzalez Silva, Laura Gonzalez-Sevilla, Sergio Goodson, Jeremiah Jet Goossens, Luc Gorbounov, Petr Andreevich Gordon, Howard Gorelov, Igor Gorfine, Grant Gorini, Benedetto Gorini, Edoardo Gorisek, Andrej Gornicki, Edward Gorokhov, Serguei Goryachev, Vladimir Gosdzik, Bjoern Gosselink, Martijn Gostkin, Mikhail Ivanovitch Gouanere, Michel Gough Eschrich, Ivo Gouighri, Mohamed Goujdami, Driss Goulette, Marc Phillippe Goussiou, Anna Goy, Corinne Grabowska-Bold, Iwona Grabski, Varlen Grafstrom, Per Grah, Christian Grahn, Karl-Johan Grancagnolo, Francesco Grancagnolo, Sergio Grassi, Valerio Gratchev, Vadim Grau, Nathan Gray, Heather Gray, Julia Ann Graziani, Enrico Grebenyuk, Oleg Greenfield, Debbie Greenshaw, Timothy Greenwood, Zeno Dixon Gregor, Ingrid-Maria Grenier, Philippe Griffiths, Justin Grigalashvili, Nugzar Grillo, Alexander Grinstein, Sebastian Grishkevich, Yaroslav Grivaz, Jean-Francois Grognuz, Joel Groh, Manfred Gross, Eilam Grosse-Knetter, Joern Groth-Jensen, Jacob Grybel, Kai Guarino, Victor Guest, Daniel Guicheney, Christophe Guida, Angelo Guillemin, Thibault Guindon, Stefan Guler, Hulya Gunther, Jaroslav Guo, Bin Guo, Jun Gupta, Ambreesh Gusakov, Yury Gushchin, Vladimir Gutierrez, Andrea Gutierrez, Phillip Guttman, Nir Gutzwiller, Olivier Guyot, Claude Gwenlan, Claire Gwilliam, Carl Haas, Andy Haas, Stefan Haber, Carl Hackenburg, Robert Hadavand, Haleh Khani Hadley, David Haefner, Petra Hahn, Ferdinand Haider, Stefan Hajduk, Zbigniew Hakobyan, Hrachya Haller, Johannes Hamacher, Klaus Hamal, Petr Hamilton, Andrew Hamilton, Samuel Han, Hongguang Han, Liang Hanagaki, Kazunori Hance, Michael Handel, Carsten Hanke, Paul Hansen, John Renner Hansen, Jorgen Beck Hansen, Jorn Dines Hansen, Peter Henrik Hansson, Per Hara, Kazuhiko Hare, Gabriel Harenberg, Torsten Harkusha, Siarhei Harper, Devin Harrington, Robert Harris, Orin Harrison, Karl Hartert, Jochen Hartjes, Fred Haruyama, Tomiyoshi Harvey, Alex Hasegawa, Satoshi Hasegawa, Yoji Hassani, Samira Hatch, Mark Hauff, Dieter Haug, Sigve Hauschild, Michael Hauser, Reiner Havranek, Miroslav Hawes, Brian Hawkes, Christopher Hawkings, Richard John Hawkins, Donovan Hayakawa, Takashi Hayden, Daniel Hayward, Helen Haywood, Stephen Hazen, Eric He, Mao Head, Simon Hedberg, Vincent Heelan, Louise Heim, Sarah Heinemann, Beate Heisterkamp, Simon Helary, Louis Heller, Mathieu Hellman, Sten Hellmich, Dennis Helsens, Clement Henderson, Robert Henke, Michael Henrichs, Anna Henriques Correia, Ana Maria Henrot-Versille, Sophie Henry-Couannier, Frederic Hensel, Carsten Henss, Tobias Medina Hernandez, Carlos Hernandez Jimenez, Yesenia Herrberg, Ruth Hershenhorn, Alon David Herten, Gregor Hertenberger, Ralf Hervas, Luis Hessey, Nigel Hidvegi, Attila Higon-Rodriguez, Emilio Hill, Daniel Hill, John Hill, Norman Hiller, Karl Heinz Hillert, Sonja Hillier, Stephen Hinchliffe, Ian Hines, Elizabeth Hirose, Minoru Hirsch, Florian Hirschbuehl, Dominic Hobbs, John Hod, Noam Hodgkinson, Mark Hodgson, Paul Hoecker, Andreas Hoeferkamp, Martin Hoffman, Julia Hoffmann, Dirk Hohlfeld, Marc Holder, Martin Holmes, Alan Holmgren, Sven-Olof Holy, Tomas Holzbauer, Jenny Homma, Yasuhiro Hong, Tae Min Hooft van Huysduynen, Loek Horazdovsky, Tomas Horn, Claus Horner, Stephan Horton, Katherine Hostachy, Jean-Yves Hou, Suen Houlden, Michael Hoummada, Abdeslam Howarth, James Howell, David Hristova, Ivana Hrivnac, Julius Hruska, Ivan Hryn'ova, Tetiana Hsu, Pai-hsien Jennifer Hsu, Shih-Chieh Huang, Guang Shun Hubacek, Zdenek Hubaut, Fabrice Huegging, Fabian Huffman, Todd Brian Hughes, Emlyn Hughes, Gareth Hughes-Jones, Richard Huhtinen, Mika Hurst, Peter Hurwitz, Martina Husemann, Ulrich Huseynov, Nazim Huston, Joey Huth, John Iacobucci, Giuseppe Iakovidis, Georgios Ibbotson, Michael Ibragimov, Iskander Ichimiya, Ryo Iconomidou-Fayard, Lydia Idarraga, John Idzik, Marek Iengo, Paolo Igonkina, Olga Ikegami, Yoichi Ikeno, Masahiro Ilchenko, Yuri Iliadis, Dimitrios Imbault, Didier Imhaeuser, Martin Imori, Masatoshi Ince, Tayfun Inigo-Golfin, Joaquin Ioannou, Pavlos Iodice, Mauro Ionescu, Gelu Irles Quiles, Adrian Ishii, Koji Ishikawa, Akimasa Ishino, Masaya Ishmukhametov, Renat Issever, Cigdem Istin, Serhat Itoh, Yuki Ivashin, Anton Iwanski, Wieslaw Iwasaki, Hiroyuki Izen, Joseph Izzo, Vincenzo Jackson, Brett Jackson, John Jackson, Paul Jaekel, Martin Jain, Vivek Jakobs, Karl Jakobsen, Sune Jakubek, Jan Jana, Dilip Jankowski, Ernest Jansen, Eric Jantsch, Andreas Janus, Michel Jarlskog, Goran Jeanty, Laura Jelen, Kazimierz Jen-La Plante, Imai Jenni, Peter Jeremie, Andrea Jez, Pavel Jezequel, Stephane Jha, Manoj Kumar Ji, Haoshuang Ji, Weina Jia, Jiangyong Jiang, Yi Jimenez Belenguer, Marcos Jin, Ge Jin, Shan Jinnouchi, Osamu Joergensen, Morten Dam Joffe, David Johansen, Lars Johansen, Marianne Johansson, Erik Johansson, Per Johnert, Sebastian Johns, Kenneth Jon-And, Kerstin Jones, Graham Jones, Roger Jones, Tegid Jones, Tim Jonsson, Ove Joram, Christian Jorge, Pedro Joseph, John Jovin, Tatjana Ju, Xiangyang Juranek, Vojtech Jussel, Patrick Kabachenko, Vasily Kabana, Sonja Kaci, Mohammed Kaczmarska, Anna Kadlecik, Peter Kado, Marumi Kagan, Harris Kagan, Michael Kaiser, Steffen Kajomovitz, Enrique Kalinin, Sergey Kalinovskaya, Lidia Kama, Sami Kanaya, Naoko Kaneda, Michiru Kanno, Takayuki Kantserov, Vadim Kanzaki, Junichi Kaplan, Benjamin Kapliy, Anton Kaplon, Jan Kar, Deepak Karagoz, Muge Karnevskiy, Mikhail Karr, Kristo Kartvelishvili, Vakhtang Karyukhin, Andrey Kashif, Lashkar Kasmi, Azzedine Kass, Richard Kastanas, Alex Kataoka, Mayuko Kataoka, Yousuke Katsoufis, Elias Katzy, Judith Kaushik, Venkatesh Kawagoe, Kiyotomo Kawamoto, Tatsuo Kawamura, Gen Kayl, Manuel Kazanin, Vassili Kazarinov, Makhail Keates, James Robert Keeler, Richard Kehoe, Robert Keil, Markus Kekelidze, George Kelly, Marc Kennedy, John Kenney, Christopher John Kenyon, Mike Kepka, Oldrich Kerschen, Nicolas Kersevan, Borut Paul Kersten, Susanne Kessoku, Kohei Ketterer, Christian Keung, Justin Khakzad, Mohsen Khalil-zada, Farkhad Khandanyan, Hovhannes Khanov, Alexander Kharchenko, Dmitri Khodinov, Alexander Kholodenko, Anatoli Khomich, Andrei Khoo, Teng Jian Khoriauli, Gia Khoroshilov, Andrey Khovanskiy, Nikolai Khovanskiy, Valery Khramov, Evgeniy Khubua, Jemal Kim, Hyeon Jin Kim, Min Suk Kim, Peter Kim, Shinhong Kimura, Naoki Kind, Oliver King, Barry King, Matthew King, Robert Steven Beaufoy Kirk, Julie Kirsch, Guillaume Kirsch, Lawrence Kiryunin, Andrey Kisielewska, Danuta Kittelmann, Thomas Kiver, Andrey Kiyamura, Hironori Kladiva, Eduard Klaiber-Lodewigs, Jonas Klein, Max Klein, Uta Kleinknecht, Konrad Klemetti, Miika Klier, Amit Klimentov, Alexei Klingenberg, Reiner Klinkby, Esben Klioutchnikova, Tatiana Klok, Peter Klous, Sander Kluge, Eike-Erik Kluge, Thomas Kluit, Peter Kluth, Stefan Kneringer, Emmerich Knobloch, Juergen Knoops, Edith Knue, Andrea Ko, Byeong Rok Kobayashi, Tomio Kobel, Michael Kocian, Martin Kocnar, Antonin Kodys, Peter Koneke, Karsten Konig, Adriaan Koenig, Sebastian Kopke, Lutz Koetsveld, Folkert Koevesarki, Peter Koffas, Thomas Koffeman, Els Kohn, Fabian Kohout, Zdenek Kohriki, Takashi Koi, Tatsumi Kokott, Thomas Kolachev, Guennady Kolanoski, Hermann Kolesnikov, Vladimir Koletsou, Iro Koll, James Kollar, Daniel Kollefrath, Michael Kolya, Scott Komar, Aston Komaragiri, Jyothsna Rani Komori, Yuto Kondo, Takahiko Kono, Takanori Kononov, Anatoly Konoplich, Rostislav 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Joshua Kupco, Alexander Kurashige, Hisaya Kurata, Masakazu Kurochkin, Yurii Kus, Vlastimil Kuykendall, William Kuze, Masahiro Kuzhir, Polina Kvasnicka, Ondrej Kvita, Jiri Kwee, Regina La Rosa, Alessandro La Rotonda, Laura Labarga, Luis Labbe, Julien Lablak, Said Lacasta, Carlos Lacava, Francesco Lacker, Heiko Lacour, Didier Lacuesta, Vicente Ramon Ladygin, Evgueni Lafaye, Remi Laforge, Bertrand Lagouri, Theodota Lai, Stanley Laisne, Emmanuel Lamanna, Massimo Lampen, Caleb Lampl, Walter Lancon, Eric Landgraf, Ulrich Landon, Murrough Landsman, Hagar Lane, Jenna Lange, Clemens Lankford, Andrew Lanni, Francesco Lantzsch, Kerstin Laplace, Sandrine Lapoire, Cecile Laporte, Jean-Francois Lari, Tommaso Larionov, Anatoly Larner, Aimee Lasseur, Christian Lassnig, Mario Laurelli, Paolo Lavorato, Antonia Lavrijsen, Wim Laycock, Paul Lazarev, Alexandre Le Dortz, Olivier Le Guirriec, Emmanuel Le Maner, Christophe Le Menedeu, Eve Lebel, Celine LeCompte, Thomas Ledroit-Guillon, Fabienne Agnes Marie Lee, Hurng-Chun Lee, Jason Lee, Shih-Chang Lee, Lawrence Lefebvre, Michel Legendre, Marie Leger, Annie LeGeyt, Benjamin Legger, Federica Leggett, Charles Lehmacher, Marc Lehmann Miotto, Giovanna Lei, Xiaowen Leite, Marco Aurelio Lisboa Leitner, Rupert Lellouch, Daniel Leltchouk, Mikhail Lendermann, Victor Leney, Katharine Lenz, Tatiana Lenzen, Georg Lenzi, Bruno Leonhardt, Kathrin Leontsinis, Stefanos Leroy, Claude Lessard, Jean-Raphael Lesser, Jonas Lester, Christopher Leung Fook Cheong, Annabelle Leveque, Jessica Levin, Daniel Levinson, Lorne Levitski, Mikhail Lewandowska, Marta Lewis, Adrian Lewis, George Leyko, Agnieszka Leyton, Michael Li, Bo Li, Haifeng Li, Shu Li, Xuefei Liang, Zhihua Liang, Zhijun Liberti, Barbara Lichard, Peter Lichtnecker, Markus Lie, Ki Liebig, Wolfgang Lifshitz, Ronen Lilley, Joseph Limbach, Christian Limosani, Antonio Limper, Maaike Lin, Simon Linde, Frank Linnemann, James Lipeles, Elliot Lipinsky, Lukas Lipniacka, Anna Liss, Tony Lissauer, David Lister, Alison Litke, Alan Liu, Chuanlei Liu, Dong Liu, Hao Liu, Jianbei Liu, Minghui Liu, Shengli Liu, Yanwen Livan, Michele Livermore, Sarah Lleres, Annick Llorente Merino, Javier Lloyd, Stephen Lobodzinska, Ewelina Loch, Peter Lockman, William Lockwitz, Sarah Loddenkoetter, Thomas Loebinger, Fred Loginov, Andrey Loh, Chang Wei Lohse, Thomas Lohwasser, Kristin Lokajicek, Milos Loken, James Lombardo, Vincenzo Paolo Long, Robin Eamonn Lopes, Lourenco Lopez Mateos, David Losada, Marta Loscutoff, Peter Sterzo, Francesco Lo Losty, Michael Lou, Xinchou Lounis, Abdenour Loureiro, Karina Love, Jeremy Love, Peter Lowe, Andrew Lu, Feng Lubatti, Henry Luci, Claudio Lucotte, Arnaud Ludwig, Andreas Ludwig, Dorthe Ludwig, Inga Ludwig, Jens Luehring, Frederick Luijckx, Guy Lumb, Debra Luminari, Lamberto Lund, Esben Lund-Jensen, Bengt Lundberg, Bjorn Lundberg, Johan Lundquist, Johan Lungwitz, Matthias Lupi, Anna Lutz, Gerhard Lynn, David Lys, Jeremy Lytken, Else Ma, Hong Ma, Lian Liang Macana Goia, Jorge 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Vellidis, Constantine Veloso, Filipe Veness, Raymond Veneziano, Stefano Ventura, Andrea Ventura, Daniel Venturi, Manuela Venturi, Nicola Vercesi, Valerio Verducci, Monica Verkerke, Wouter Vermeulen, Jos Vest, Anja Vetterli, Michel Vichou, Irene Vickey, Trevor Viehhauser, Georg Viel, Simon Villa, Mauro Villaplana Perez, Miguel Vilucchi, Elisabetta Vincter, Manuella Vinek, Elisabeth Vinogradov, Vladimir Virchaux, Marc Virzi, Joseph Vitells, Ofer Viti, Michele Vivarelli, Iacopo Vives Vaque, Francesc Vlachos, Sotirios Vlasak, Michal Vlasov, Nikolai Vogel, Adrian Vokac, Petr Volpi, Guido Volpi, Matteo Volpini, Giovanni von der Schmitt, Hans von Loeben, Joerg von Radziewski, Holger von Toerne, Eckhard Vorobel, Vit Vorobiev, Alexander Vorwerk, Volker Vos, Marcel Voss, Rudiger Voss, Thorsten Tobias Vossebeld, Joost Vranjes, Nenad Vranjes Milosavljevic, Marija Vrba, Vaclav Vreeswijk, Marcel Anh, Tuan Vu Vuillermet, Raphael Vukotic, Ilija Wagner, Wolfgang Wagner, Peter Wahlen, Helmut Wakabayashi, Jun Walbersloh, Jorg Walch, Shannon Walder, James Walker, Rodney Walkowiak, Wolfgang Wall, Richard Waller, Peter Wang, Chiho Wang, Haichen Wang, Hulin Wang, Jike Wang, Jin Wang, Joshua C. Wang, Rui Wang, Song-Ming Warburton, Andreas Ward, Patricia Warsinsky, Markus Watkins, Peter Watson, Alan Watson, Miriam Watts, Gordon Watts, Stephen Waugh, Anthony Waugh, Ben Weber, Jens Weber, Marc Weber, Michele Weber, Pavel Weidberg, Anthony Weigell, Philipp Weingarten, Jens Weiser, Christian Wellenstein, Hermann Wells, Phillippa Wen, Mei Wenaus, Torre Wendler, Shanti Weng, Zhili Wengler, Thorsten Wenig, Siegfried Wermes, Norbert Werner, Matthias Werner, Per Werth, Michael Wessels, Martin Weydert, Carole Whalen, Kathleen Wheeler-Ellis, Sarah Jane Whitaker, Scott White, Andrew White, Martin White, Sebastian Whitehead, Samuel Robert Whiteson, Daniel Whittington, Denver Wicek, Francois Wicke, Daniel Wickens, Fred Wiedenmann, Werner Wielers, Monika Wienemann, Peter Wiglesworth, Craig Wiik, Liv Antje Mari Wijeratne, Peter Alexander Wildauer, Andreas Wildt, Martin Andre Wilhelm, Ivan Wilkens, Henric George Will, Jonas Zacharias Williams, Eric Williams, Hugh Willis, William Willocq, Stephane Wilson, John Wilson, Michael Galante Wilson, Alan Wingerter-Seez, Isabelle Winkelmann, Stefan Winklmeier, Frank Wittgen, Matthias Wolter, Marcin Wladyslaw Wolters, Helmut Wooden, Gemma Wosiek, Barbara Wotschack, Jorg Woudstra, Martin Wraight, Kenneth Wright, Catherine Wrona, Bozydar Wu, Sau Lan Wu, Xin Wu, Yusheng Wulf, Evan Wunstorf, Renate Wynne, Benjamin Xaplanteris, Leonidas Xella, Stefania Xie, Song Xie, Yigang Xu, Chao Xu, Da Xu, Guofa Yabsley, Bruce Yacoob, Sahal Yamada, Miho Yamamoto, Akira Yamamoto, Kyoko Yamamoto, Shimpei Yamamura, Taiki Yamaoka, Jared Yamazaki, Takayuki Yamazaki, Yuji Yan, Zhen Yang, Haijun Yang, Un-Ki Yang, Yi Yang, Yi Yang, Zhaoyu Yanush, Serguei Yao, Weiming Yao, Yushu Yasu, Yoshiji Ybeles Smit, Gabriel Valentijn Ye, Jingbo Ye, Shuwei Yilmaz, Metin Yoosoofmiya, Reza Yorita, Kohei Yoshida, Riktura Young, Charles Youssef, Saul Yu, Dantong Yu, Jaehoon Yu, Jie Yuan, Li Yurkewicz, Adam Zaets, Vassilli Zaidan, Remi Zaitsev, Alexander Zajacova, Zuzana Zalite, Youris Zanello, Lucia Zarzhitsky, Pavel Zaytsev, Alexander Zeitnitz, Christian Zeller, Michael Zemla, Andrzej Zendler, Carolin Zenin, Oleg Zenis, Tibor Zenonos, Zenonas Zenz, Seth Zerwas, Dirk Zevi Della Porta, Giovanni Zhan, Zhichao Zhang, Dongliang Zhang, Huaqiao Zhang, Jinlong Zhang, Xueyao Zhang, Zhiqing Zhao, Long Zhao, Tianchi Zhao, Zhengguo Zhemchugov, Alexey Zheng, Shuchen Zhong, Jiahang Zhou, Bing Zhou, Ning Zhou, Yue Zhu, Cheng Guang Zhu, Hongbo Zhu, Junjie Zhu, Yingchun Zhuang, Xuai Zhuravlov, Vadym Zieminska, Daria Zimmermann, Robert Zimmermann, Simone Zimmermann, Stephanie Ziolkowski, Michael Zitoun, Robert Zivkovic, Lidija Zmouchko, Viatcheslav Zobernig, Georg Zoccoli, Antonio Zolnierowski, Yves Zsenei, Andras zur Nedden, Martin Zutshi, Vishnu Zwalinski, Lukasz Aad, Georges Phys. Lett. B 10.1016/j.physletb.2011.10.001 174-192 705 Higgs physics supersymmetry 2011 2013-07-16 A search for neutral Higgs bosons decaying to pairs of tau leptons with the ATLAS detector at the LHC is presented. The analysis is based on proton-proton collisions at a center-of-mass energy of 7 TeV, recorded in 2010 and corresponding to an integrated luminosity of 36 pb^-1. After signal selection, 276 events are observed in this data sample. The observed number of events is consistent with the total expected background of 269 +/- 36 events. Exclusion limits at the 95% confidence level are derived for the production cross section of a generic Higgs boson phi as a function of the Higgs boson mass and for A/H/h production in the Minimal Supersymmetric Standard Model (MSSM) as a function of the parameters m_A and tan(beta). Anders, C Barberio, E Banerjee, S Beckingham, M Boddy, C Bristow, T Chen, X Davey, W Dingfelder, J Dhaliwal, S Farrington, S Ferrer, A Fiorini, L Flechl, M Galea, C Glatzer, J Gross, E Gumpert, C Hanawa, K Hanninger, G N Heng, Y Hsu, S-C Keller, J Kroseberg, J Leney, KJC Mader, W Mellado, B Morgenstern, M Nakamura, K Pan, Y Pedraza-Morales, M-I Pitt, M Pranko, A von Radziewski, H Rompotis, N Rosendahl, P Rousseau, D Schumacher, M Schillo, C Schwindt, T Shao, T Silbert, O Solans, C Straessner, A Stugu, B Tanaka, J Thoma, S Torralba, G Urquijo, P Utecht, N Valls, J Varouchas, D Vickey, T Volpi, M Wang, T Warsinsky, M Wu, S-L Xella, S Zanzi, D Zinonos, Z HIGGS 2011 2011 A search for neutral Higgs bosons decaying to pairs of tau leptons with the ATLAS detector at the LHC is presented. The analysis is based on proton-proton collisions at a center-of-mass energy of 7 TeV, recorded in 2011 and corresponding to an integrated luminosity of 1.06 fb^−1 . After signal selection, 4630 events are observed in this data sample. The observed number of events is consistent with the total expected background of 4947 ± 356 events. Exclusion limits at the 95% confidence level are derived for the production cross section of a generic Higgs boson phi as a function of the Higgs boson mass and for A/H/h production in the Minimal Supersymmetric Standard Model (MSSM) as a function of the parameters mA and tan beta. Anders, C Barberio, E Banerjee, S Beckingham, M Boddy, C Bristow, T Chen, X Davey, W Dingfelder, J Dhaliwal, S Farrington, S Ferrer, A Fiorini, L Flechl, M Galea, C Glatzer, J Gross, E Gumpert, C Hanawa, K Hanninger, G N Heng, Y Hsu, S-C Keller, J Kroseberg, J Leney, KJC Mader, W Mellado, B Morgenstern, M Nakamura, K Pan, Y Pedraza-Morales, M-I Pitt, M Pranko, A von Radziewski, H Rompotis, N Rosendahl, P Rousseau, D Schumacher, M Schillo, C Schwindt, T Shao, T Silbert, O Solans, C Straessner, A Stugu, B Tanaka, J Thoma, S Torralba, G Urquijo, P Utecht, N Valls, J Varouchas, D Vickey, T Volpi, M Wang, T Warsinsky, M Wu, S-L Xella, S Zanzi, D Zinonos, Z Higgs 2011 2011 A search for neutral Higgs bosons decaying to pairs of tau leptons with the ATLAS detector at the LHC is presented. The analysis is based on proton-proton collisions at a center-of-mass energy of 7 TeV, recorded in 2011 and corresponding to an integrated luminosity of 1.06 fb^−1 . After signal selection, 4630 events are observed in this data sample. The observed number of events is consistent with the total expected background of 4900 ± 600 events. Exclusion limits at the 95% confidence level are derived for the production cross section of a generic Higgs boson phi as a function of the Higgs boson mass and for A/H/h production in the Minimal Supersymmetric Standard Model (MSSM) as a function of the parameters mA and tan beta. Czodrowski, P Flechl, M Isaksson, C Kopp, A Martyniuk, A McCarn, A Owen, M zur Nedden, M Neubauer, M Patel, N Randle-Conde, A Riu, I Saavedra, A Sekula, S Vickey, T higgs boson mssm charged higgs higgs tau hadronic tau HIGGS 2011 2011 The experimental observation of charged Higgs bosons, $H^{\pm}$, which are predicted by many theories with an extended Higgs sector, would indicate new physics beyond the Standard Model. In the minimal supersymmetric extension to the Standard Model (MSSM), for example, the dominant production mode at the LHC for these Higgs bosons, when $m_{H^+} < m_t$, takes place in $t\overline{t}$ events via the top quark decay $t\rightarrow H^{+}b$ with $H^{+}\rightarrow\tau\nu$ dominating for most values of $\tan\beta$, the ratio of the vacuum expectation values of the two Higgs doublets. This note presents the results of a search for charged Higgs bosons in 1.03 fb$^{-1}$ of $\sqrt{s}=7$ TeV proton-proton collision data using the $\tau$+jets channel with a hadronically-decaying $\tau$ in the final state. The data agree with Standard-Model expectation. Thus, limits on $H^{+}$ production in $t\bar{t}$ events have been set: $\mathrm{BR}(t \to bH^{+}) \cdot \mathrm{BR}(H^+ \to \tau\nu)<0.03-0.17$ in the mass range 90-160 GeV. Interpreted in the context of the MSSM, this allows to exclude a region above about $\tan \beta=30$ in the mass range $100 < m_{H^+}$ [GeV] $< 150$. Cavaliere, V Czodrowski, P Flechl, M Isaksson, C Kopp, A Martyniuk, A McCarn, A Owen, M zur Nedden, M Neubauer, M Patel, N Randle-Conde, A Riu, I Saavedra, A Sekula, S Vickey, T higgs boson mssm charged higgs tau hadronic tau 2011 2011 This note presents the results of a search for charged Higgs bosons, $H^{\pm}$, in 1.03 fb$^{-1}$ of proton-proton collision data recorded at $\sqrt{s}=7$ TeV with the ATLAS experiment at the LHC using the $\tau$+jets channel in $t\overline{t}$ decays with a hadronically decaying $\tau$ lepton in the final state. The data agree with the SM expectation leading to a limit on the product of branching ratios BR($t \to bH^{\pm}) \times$ BR($H^\pm \to \tau\nu$) of $0.03-0.10$ for $H^\pm$ masses in the range $90 \GeV<m_{H^\pm}<160 \GeV$. In the context of the MSSM values of $\tan \beta$ larger than $22-30$ are excluded in the mass range $90 \GeV< m_{H^\pm}< 140 \GeV$. Jez, P Higgs NMSSM HIGGS 2011 2011 The Next-to-minimal supersymmetric extension of the Standard Model (NMSSM) has one additional gauge singlet field on top of the particle content of the widely known MSSM. This leads to 2 new neutral bosons in the Higgs sector and one new fermion (5th neutralino). The NMSSM phenomenology can therefore be quite different from MSSM expectations. The ``Ideal Higgs'' scenario expects the existence of a CP-even SM-like Higgs boson $h_1$ below the LEP mass limits (100-110 GeV) decaying predominantly to the pair of very light CP-odd Higgs bosons $a_1$ which then decay to the pairs of $\tau$ leptons. The $a_1$ mass has already been quite constrained from below by B-factories, but limits for the mass of $a_1$ close to the $\Upsilon$ resonances are still quite weak. This note presents search for the $a_1$ resonances being produced directly by gluon fusion with both $\tau$ leptons decaying leptonically to electron and muon. Finding no evidence of $a_1$, new limits are set on $\sigma(gg\to a_1)\times BR(a_1\to\tau\tau)$ and interpreted in terms of phenomenological NMSSM parameters. Davey, William Edwin The Large Hadron Collider (LHC) is the highest energy particle collider ever built. It recently began operation at CERN and will probe physics at unprecedented scales. ATLAS is a particle detector located at one of the collision points on the LHC ring and is designed to be sensitive to the wide range of physics that could be produced. The primary objective of the LHC experiments is to determine the mechanism of electroweak symmetry breaking, of which many theoretical models exist. In the Minimal Supersymmetric Standard Model (MSSM), electroweak symmetry breaking is achieved through the Higgs mechanism, however, the Higgs sector must be extended with respect to the Standard Model and contains five physical Higgs bosons. The discovery potential of the MSSM Higgs bosons in ATLAS has been evaluated in previous studies, demonstrating adequate sensitivity for discovery or exclusion over a large region of the parameter space. However, these studies were performed using now outdated software, without an estimation of the expected systematic uncertainties or the inclusion of data-driven background estimation procedures. In this thesis, the discovery potential of the neutral MSSM Higgs bosons when decaying to tau-lepton pairs in the ATLAS experiment is evaluated. One tau is required to decay leptonically while the other is required to decay hadronically. Higgs boson mass hypotheses in the range 150 GeV - 800 GeV are considered. The study assumes a proton-proton collision energy of 14 TeV and an integrated luminosity of 30 fb−1 . The expected systematic uncertainty on the background measurement is evaluated and included in the calculation of the discovery potential. Data-driven estimation techniques are developed for the W+jets and QCD di-jet backgrounds. The contributions of all signal and background processes are estimated using Monte Carlo simulated event samples. The discovery potential is interpreted in the mmax h benchmark scenario, and is presented in the mA-tan β plane. A small degradation in performance with respect to the previous studies is found for Higgs boson masses below 450 GeV due to the inclusion of systematic uncertainties. It is confirmed that a large fraction of the parameter space will be accessible to the ATLAS experiment, which will be able to probe far beyond the regions already excluded by the LEP and Tevatron experiments. Two separate studies are also included, describing contributions to the modelling of hadronic tau reconstruction in the ATLAS fast simulation packages ATLFAST-I and ATLFAST-II. Firstly, a complete parameterisation of the calorimeter-based hadronic tau reconstruction for use in ATLFAST-I is presented. Secondly, the validation of the track-based hadronic tau reconstruction in ATLFAST-II is presented, including the extraction of correction terms to match the performance in ATLFAST-II to the standard ATLAS simulation. Rosati, S HIGGS 2011 2011 This is the talk to be presented at the workshop: LC11 Workshop: Understanding QCD at Linear Colliders in searching for old and new physics. Most recent ATLAS and CMS results on Standard Model and MSSM Higgs Boson Searches are presented. Cavaliere, V Czodrowski, P Flechl, M Isaksson, C Kopp, A Martyniuk, A McCarn, A Owen, M zur Nedden, M Neubauer, M Patel, N Randle-Conde, A Riu, I Saavedra, A Sekula, S Vickey, T charged Higgs Higgs search HIGGS 2011 2011 This note presents the results of a search for charged Higgs bosons, $H^{\pm}$, in 1.03 fb$^{-1}$ of proton-proton collision data recorded at $\sqrt{s}=7$ TeV with the ATLAS experiment at the LHC using the $\tau$+jets channel in $t\overline{t}$ decays with a hadronically decaying $\tau$ lepton in the final state. The data agree with the SM expectation leading to a limit on the product of branching ratios BR($t \to bH^{\pm}) \times$ BR($H^\pm \to \tau\nu$) of $0.03-0.10$ for $H^\pm$ masses in the range $90 \GeV<m_{H^\pm}<160 \GeV$. In the context of the MSSM values of $\tan \beta$ larger than $22-30$ are excluded in the mass range $90 \GeV< m_{H^\pm}< 140 \GeV$. Elmsheuser, J HIGGS 2011 2011 The search for the Standard Model-like Higgs boson over a wide mass region and in multiple channels is presented, based on the ATLAS data collected in 2010. The first combination of these channels is also shown. In the area of MSSM Higgs bosons, new exclusion limits and exploratory studies are presented. These searches give sensitivity to various theoretical predictions which surpasses anything previously available. All observations are in agreement with the expectations from the background-only hypothesis. Hence exclusion limits at 95\% confidence level are derived. Cavaliere, V Czodrowski, P Flechl, M Isaksson, C Kopp, A Martyniuk, A McCarn, A Owen, M zur Nedden, M Neubauer, M Patel, N Randle-Conde, A Riu, I Saavedra, A Sekula, S Vickey, T charged Higgs boson SUSY 2HDM MSSM ttbar HIGGS 2011 2011 This note presents the results of a search for charged Higgs bosons in 1.03 fb$^{-1}$ of proton-proton collision data at $\sqrt{s}=7$ TeV using the $\tau$+lepton channel in \ttbar\ decays with a hadronically decaying $\tau$ lepton in the final state. The data agree with the SM expectation leading to a limit on the product of branching ratios BR($t \to bH^{+}) \times$ BR($H^+ \to \tau\nu$) of $XXX$ for $H^+$ masses in the range $90 \GeV<M_{H^\pm}<160 \GeV$. In the context of the MSSM this excludes a region above $\tan \beta = YYY$ in the mass range $AAA \GeV< M_{H^\pm}< BBB \GeV$. Kuehn, S EWEAK HIGGS TAUPERF 2011 2011 The ATLAS experiment has an extensive physics program, involving tau lepton final states. In these proceedings, the identification of hadronically decaying tau leptons is described. Investigations with Standard Model processes, namely the observation of W to tau nu and a Z to tau tau production cross section measurement, are given. Finally, results on the MSSM Higgs boson search are presented, with exclusion limits at the 95% confidence level. Higgs 2011 2011 A search for neutral Higgs bosons decaying to pairs of tau leptons with the ATLAS detector at the LHC is presented. The analysis is based on proton-proton collisions at a center-of-mass energy of 7 TeV, recorded in 2011 and corresponding to an integrated luminosity of 1.06 fb^−1 . After signal selection, 4630 events are observed in this data sample. The observed number of events is consistent with the total expected background of 4900 ± 600 events. Exclusion limits at the 95% confidence level are derived for the production cross section of a generic Higgs boson phi as a function of the Higgs boson mass and for A/H/h production in the Minimal Supersymmetric Standard Model (MSSM) as a function of the parameters mA and tan beta. higgs boson mssm charged higgs tau hadronic tau 2011 2011 This note presents the results of a search for charged Higgs bosons, $H^{\pm}$, in 1.03 fb$^{-1}$ of proton-proton collision data recorded at $\sqrt{s}=7$ TeV with the ATLAS experiment at the LHC using the $\tau$+jets channel in $t\overline{t}$ decays with a hadronically decaying $\tau$ lepton in the final state. The data agree with the SM expectation leading to a limit on the product of branching ratios BR($t \to bH^{\pm}) \times$ BR($H^\pm \to \tau\nu$) of $0.03-0.10$ for $H^\pm$ masses in the range $90 \GeV<m_{H^\pm}<160 \GeV$. In the context of the MSSM values of $\tan \beta$ larger than $22-30$ are excluded in the mass range $90 \GeV< m_{H^\pm}< 140 \GeV$. Kuehn, S EWEAK HIGGS TAUPERF 2011 2011 The ATLAS experiment has an extensive physics program, involving tau lepton final states. In these proceedings, the identification of hadronically decaying tau leptons is described. Investigations with Standard Model processes, namely the observation of W to tau nu and a Z to tau tau production cross section measurement, are given. Finally, results on the MSSM Higgs boson search are presented, with exclusion limits at the 95% confidence level. Flechl, M Sekula, S Vickey, T Charged Higgs MSSM Two Higgs Doublet Model Tau HIGGS 2011 2011 This paper presents the results of a search for charged Higgs bosons, $H^{\pm}$, in 1.03 fb$^{-1}$ of proton-proton collision data recorded at $\sqrt{s}=7$ TeV with the ATLAS experiment at the LHC using the $\tau$+jets and $\tau$+lepton channels in $t\overline{t}$ decays with a hadronically decaying $\tau$ lepton in the final state. The data agree with the SM expectation leading to a limit on the product of branching ratios BR($t \to bH^{\pm}) \times$ BR($H^\pm \to \tau\nu$) of XXX for $H^\pm$ masses in the range $90 \GeV<m_{H^\pm}<160 \GeV$. In the context of the MSSM values of $\tan \beta$ larger than YYY are excluded in the mass range ZZZ $\GeV$. Cavaliere, V Czodrowski, P Flechl, M Isaksson, C Kopp, A Martyniuk, A McCarn, A zur Nedden, M Neubauer, M Owen, M Patel, N Randle-Conde, A Riu, I Saavedra, A Sekula, S Vickey, T Higgs boson charged Higgs Two Higgs Doublet Model MSSM Tau hadronic Tau HIGGS 2011 2011 This note presents the results of a search for charged Higgs bosons in 1.03 fb$^{-1}$ of proton-proton collision data at $\sqrt{s}=7$ TeV using the $ \tau$+lepton channel in $t\bar{t}$ decays with a hadronically decaying $\tau$ lepton in the final state. The data agree with the SM expectation leading to a limit on the product of branching ratios BR($t \to bH^{+}) \times$ BR($H^+ \to \tau \nu$) of 0.05-0.15 for $H^+$ masses in the range 90 GeV <$M_{H^\pm}$<160 GeV. Flechl, M MSSM charged neutral Higgs boson ATLAS HIGGS 2011 2011 The results of Higgs boson searches in the context of the Minimal Supersymmetric extension of the Standard Model (MSSM) in proton-proton collisions with the ATLAS detector based on collected data corresponding to up to 36 pb$^{-1}$ are presented. Searches in the channels $H^+ -> cs$, $H^+ -> tau nu$, and $H -> tautau$ are discussed. All observations agree with the expectation of the Standard Model (SM)-only hypothesis and thus exclusion limits are derived. Pelikan, D HIGGS 2011 2011 Charged Higgs bosons are predicted in several extensions of the Standard Model, where there is more than one doublet of complex scalars in the Higgs sector, for instance Two-Higgs-Doublet Models (2HDM), which is also the case in the Minimal Supersymmetric Standard Model (MSSM). For m(H+) &lt; m(top), the dominant production mode for charged Higgs bosons at the LHC is via the decay t -&gt; bH+ of one of the top quarks in ttbar events. We present results on the search for such light charged Higgs bosons in the ATLAS experiment, with emphasis on the decays H+ -&gt; tau+nu. Andari, N HIGGS 2011 2011 A talk to give in the International Workshop LHC on the March - IHEP- Protvino-Russia about the SM and MSSM Higgs searches in ATLAS. Flechl, Martin PoS 10.22323/1.134.0243 243 EPS-HEP2011 MSSM charged neutral Higgs boson ATLAS HIGGS 2011 2011 The results of Higgs boson searches in the context of the Minimal Supersymmetric extension of the Standard Model (MSSM) in proton-proton collisions with the ATLAS detector based on collected data corresponding to up to 36 pb$^{-1}$ are presented. Searches in the channels $H^+ -> cs$, $H^+ -> tau nu$, and $H -> tautau$ are discussed. All observations agree with the expectation of the Standard Model (SM)-only hypothesis and thus exclusion limits are derived. 2011 2011 This paper presents the results of a search for charged Higgs bosons by the ATLAS experiment, based on 1.03/fb of proton-proton collision data at sqrt(s) = 7 TeV using the single-lepton and dilepton channels in ttbar decays with a leptonically decaying tau in the final state. The data agree with the Standard Model expectation. Assuming B(H+ to tau+nu)=1, this leads to upper limits on the branching fraction B(t to bH+) between 5.2% and 14.1% for H+ masses in the range 90 GeV < m(H+) <160 GeV. In the context of the mh_max scenario of the MSSM, values of tan(beta) larger than 30-56 are excluded for H+ masses in the range 90 GeV < m(H+) < 140 GeV. Barak, L Breaden-Madden, W Cheu, E Collins-Tooth, C Ferrari, A Flechl, M Gross, E Groth-Jensen, J Hattrem Raddum, S Madsen, A Mal, P Nakamura, K Pelikan, D Quilty, D Read, A Wright, M HIGGS 2011 2011 This paper presents the results of a search for charged Higgs bosons by the ATLAS experiment, based on 1.03/fb of proton-proton collision data at sqrt(s) = 7 TeV using the single-lepton and dilepton channels in ttbar decays with a leptonically decaying tau in the final state. The data agree with the Standard Model expectation. Assuming B(H+ to tau+nu)=1, this leads to upper limits on the branching fraction B(t to bH+) between 5.2% and 14.1% for H+ masses in the range 90 GeV < m(H+) <160 GeV. In the context of the mh_max scenario of the MSSM, values of tan(beta) larger then 30-56 are excluded for H+ masses in the range 90 GeV < m(H+) < 140 GeV. Abreu, Henso higgs combination exclusions lhc atlas HIGGS 2011 2011 A search for the Standard Model Higgs boson at the Large Hadron Collider (LHC) running at a centre-of-mass energy of 7 TeV is reported, based on a total integrated luminosity of 1.0 to 2.3 fb−1 collected by the ATLAS detector in 2011. Several Higgs boson decay channels are combined in a mass range from 110 GeV to 600 GeV. No significant evidence for a signal is observed. The Standard Model Higgs boson mass ranges from 146 GeV to 232 GeV, 256 GeV to 282 GeV and 296 GeV to 466 GeV are excluded at the 95% CL, while the expected Standard Model Higgs boson exclusion in the absence of signal ranges to 131 GeV to 447 GeV. In addition, the search for the neutral Higgs bosons in the Minimal Supersymmetric extension to the Standard Model (MSSM) is presented, where exclusion limits at the 95% CL are derived for the production cross section of a generic Higgs boson phi as a function of the Higgs boson mass and for A/H/h-> tau tau in the MSSM as a function of the parameters mA and tanB in the m^max_h scenario. Wiglesworth, C HIGGS HIGGS 2011 2011 The search for the Standard Model Higgs boson with the ATLAS detector at the LHC is reported. The search combines several decay channels in the mass range 110 to to 600 GeV and derives upper limits on the production cross section as a function of mass. A search for neutral Higgs bosons (A/H/h) in the MSSM decaying to τ lepton pairs is also reported, where upper limits on the production cross sections are derived as a function of the parameters mA and tanβ. The searches are based on a dataset corresponding to an integrated luminosity ranging from 1.0 fb−1 to 2.3 fb−1 of pp collisions at a centre-of-mass energy of 7 TeV. Wiglesworth, C HIGGS HIGGS 2011 2011 The search for the Standard Model Higgs boson with the ATLAS detector at the LHC is reported. The search combines several decay channels in the mass range 110 to to 600 GeV and derives upper limits on the production cross section as a function of mass. A search for neutral Higgs bosons (A/H/h) in the MSSM decaying to τ lepton pairs is also reported, where upper limits on the production cross sections are derived as a function of the parameters mA and tanβ. The searches are based on a dataset corresponding to an integrated luminosity ranging from 1.0 fb−1 to 2.3 fb−1 of pp collisions at a centre-of-mass energy of 7 TeV. Jez, Pavel 2011 2011 The Next-to-minimal supersymmetric extension of the Standard Model (NMSSM) has one additional gauge singlet field on top of the particle content of the widely known MSSM. This leads to two new neutral bosons in the Higgs sector and one new fermion (5th neutralino). The NMSSM phenomenology can therefore be quite different from MSSM expectations. The ``Ideal Higgs'' scenario expects existence of a CP-even SM-like Higgs boson $h_1$ below the LEP mass limits (100-110 GeV) decaying predominantly to the pair of light (less than 11 GeV) CP-odd Higgs bosons $a_1$ which then decay to the pairs of $ au$ leptons. The mass of $a_1$ has already been quite constrained from below by B-factories, but limits for the mass of $a_1$ close to the $Upsilon$ resonances are still quite weak. This thesis presents a search for the $a_1$ resonances being produced directly by gluon fusion with both $ au$ leptons decaying leptonically to an electron and a muon and sets new experimental limits in a mass region close to the $Upsilon$ resonances. The tau trigger is a key element of the study of low mass Higgs bosons, including the indirect production of the $a_1$ via $h_1 o a_1 a_1 o 4 au$. The LHC data delivers more than one interaction per event - so-called pile-up and the amount of pile-up will increase significantly in 2012. Data and Monte Carlo simulations have been studied to find the effect of pile-up on the tau trigger performance. Eventually, the trigger selection was optimized for the pile-up environment. Czodrowski, P charged Higgs Higgs search Charged Boson Data-driven Background Estimation ATLAS HIGGS 2011 2011 The charged Higgs boson is predicted by many extended Higgs scenarios, such as models containing Higgs triplets and Two-Higgs-Doublet Models (2HDM). The observation of charged Higgs bosons, $H^+$, would indicate physics beyond the Standard Model (SM). Both analyses presented here consider the type-II 2HDM, which is also the Higgs sector of the Minimal Supersymmetric Standard Model (MSSM). For charged Higgs boson masses, $m_{H^+}$, smaller than the top quark mass, $m_t$, the dominant production mode at the LHC for $H^+$ is through top quark decay via $t\to bH^+$. The dominant source of top quarks at the LHC is $t\bar{t}$ production. Czodrowski, P Nuovo Cimento C 10.1393/ncc/i2012-11250-5 213-216 035 3 charged Higgs Higgs search Charged Boson Data-driven Background Estimation ATLAS HIGGS 2012 2012 The charged Higgs boson is predicted by many extended Higgs scenarios, such as models containing Higgs triplets and Two-Higgs-Doublet Models (2HDM). The observation of charged Higgs bosons, $H^+$, would indicate physics beyond the Standard Model (SM). Both analyses presented here consider the type-II 2HDM, which is also the Higgs sector of the Minimal Supersymmetric Standard Model (MSSM). For charged Higgs boson masses, $m_{H^+}$, smaller than the top quark mass, $m_t$, the dominant production mode at the LHC for $H^+$ is through top quark decay via $t\to bH^+$. The dominant source of top quarks at the LHC is $t\bar{t}$ production. Abreu, Henso higgs combination exclusions lhc atlas HIGGS 2012 2012 A search for the Standard Model Higgs boson at the Large Hadron Collider (LHC) running at a centre-of-mass energy of 7 TeV is reported, based on a total integrated luminosity of 1.0 to 2.3 fb−1 collected by the ATLAS detector in 2011. Several Higgs boson decay channels are combined in a mass range from 110 GeV to 600 GeV. No significant evidence for a signal is observed. The Standard Model Higgs boson mass ranges from 146 GeV to 232 GeV, 256 GeV to 282 GeV and 296 GeV to 466 GeV are excluded at the 95% CL, while the expected Standard Model Higgs boson exclusion in the absence of signal ranges to 131 GeV to 447 GeV. In addition, the search for the neutral Higgs bosons in the Minimal Supersymmetric extension to the Standard Model (MSSM) is presented, where exclusion limits at the 95% CL are derived for the production cross section of a generic Higgs boson phi as a function of the Higgs boson mass and for A/H/h-> tau tau in the MSSM as a function of the parameters mA and tanB in the m^max_h scenario. Pelikan, D HIGGS SUSY 2012 2012 Charged Higgs bosons are predicted in several extensions of the Standard Model, where the Higgs sector contains more than one doublet of complex scalars, for instance in the Minimal Supersymmetric Standard Model (MSSM). For $m_{H^+} < m_{top}$, the dominant production mode for charged Higgs bosons at the LHC is via the decay $t\rightarrow bH^+$ of one of the top quarks in $t\bar{t}$ events. We present results on the search for such light charged Higgs bosons in the ATLAS experiment, with emphasis on the decay $H^+ \rightarrow \tau \nu$. Pelikan, Daniel EPJ Web Conf. 10.1051/epjconf/20122812057 12057 28 HIGGS SUSY 2012 2012 Charged Higgs bosons are predicted in several extensions of the Standard Model, where the Higgs sector contains more than one doublet of complex scalars, for instance in the Minimal Supersymmetric Standard Model (MSSM). For $m_{H^+} < m_{\mathrm{top}}$, the dominant production mode for charged Higgs bosons at the LHC is via the decay $t\rightarrow bH^+$ of one of the top quarks in $t\bar{t}$ events. We present results on the search for such light charged Higgs bosons in the ATLAS experiment, with emphasis on the decay $H^+ \rightarrow \tau \nu$. Stern, S Kortner, S HIGGS 2012 2012 This note presents the search for neutral MSSM Higgs bosons decaying into two muons with the ATLAS detector at the LHC. The analysis is performed on 4.8 fb$^{-1}$ of proton-proton collisions at a centre-of-mass energy of $\sqrt{s} =$ 7 TeV recorded in 2011. Events are categorized according to the number of $b$-jets in the final state. The total dimuon background background is estimated purely from data. No significant excess compared to the Standard Model expectation is found in the data. Exclusion limits on the MSSM parameter $\tan \beta$ and on the cross section times branching fraction for both relevant production mechanisms are set as a function of the mass of the pseudo-scalar or generic Higgs boson, respectively, in the range from 120 to 300 GeV. Assamagan, P Bernius, C Casado, P Cavaliere, V Czodrowski, P Chakraborty, D Greenwood, D Ferrari, A Flechl, M Hattrem Raddum, S Kopp, A Mal, P McCarn, A Neubauer, M Patel, N Randle-Conde, A Read, A L Rocha de Lima, G Saavedra, A Schumacher, M Sekula, S charged Higgs boson tau jets MSSM ttbar BSM HIGGS 2012 2012 The experimental observation of charged Higgs bosons, H±, which are predicted by many models with an extended Higgs sector, would indicate physics beyond the Standard Model (SM). This note presents the results of a search for charged Higgs bosons in \LUMI of proton-proton collision data at √s = 7 TeV using the tau+jets channel in ttbar decays with a hadronically decaying tau lepton in the final state. The data agree with the SM expectation leading to a limit on the branching ratio BR(t -> b H+) of 0.01-0.06 for charged Higgs boson masses (m_{H+}) in the range 90 GeV < m_{H+} < 160 GeV, assuming BR(H+ -> tau nu)=1. In the context of the m_h-max scenario of the MSSM, this excludes a region above tan(beta) = 10-22 in the mass range 90 GeV < m_{H+} < 150 GeV. Behar, S Buszello, C Czodrowski, P Ferrari, A Flechl, M Hattrem Raddum, S Isaksson, C Madsen, A McCarn, A zur Nedden, M Neubauer, M Patel, N Pelikan, D Read, A Rozen, Y Saavedra, A charged boson tau lepton MSSM BSM ttbar HIGGS 2012 2012 This note reports on the results of a search for charged Higgs bosons in the ATLAS experiment, based on 4.6 fb$^{-1}$ of proton-proton collision data at $\sqrt{s}=7$ TeV, using $t\bar{t}$ decays with a hadronically decaying $\tau$ and one light lepton (electron or muon) in the final state. The data agree with the Standard Model expectation. Assuming ${\cal B}(H^+ \rightarrow \tau\nu) = 1$, this leads to upper limits on the branching fraction ${\cal B}(t \rightarrow bH^{+})$ between 3% and 7% for charged Higgs boson masses ($m_{H^+}$) in the range $90\,\mbox{GeV} < m_{H^+} <160\,\mbox{GeV}$. In the context of the $m_h^{\text{max}}$ scenario of the MSSM, values of $\tan\beta$ larger than 22-50 are excluded for charged Higgs boson masses in the range $90\,\mbox{GeV} < m_{H^+} < 150\,\mbox{GeV}$. Barak, L Ferrari, A Flechl, M Gross, E Groth-Jensen, J Hattrem Raddum, S Read, A charged boson ATLAS BSM MSSM lepton jets ttbar HIGGS 2012 2012 This note reports on the results of a search for charged Higgs bosons in the ATLAS experiment, based on 4.6 fb$^{-1}$ of proton-proton collision data at $\sqrt{s}=7$ TeV using the lepton+jets channel in $t\bar{t}$ decays with a leptonically decaying $\tau$ in the final state. The data agree with the Standard Model expectation. Assuming ${\cal B}(H^+ \rightarrow \tau\nu) = 1$, this leads to upper limits on the branching fraction ${\cal B}(t \rightarrow bH^{+})$ between 4% and 15% for charged Higgs boson masses ($m_{H^+}$) in the range $90\,\mbox{GeV} < m_{H^+} <160\,\mbox{GeV}$. In the context of the $m_h^{\text{max}}$ scenario of the MSSM, values of $\tan\beta$ larger than 27-44 are excluded for charged Higgs boson masses in the range $90\,\mbox{GeV} < m_{H^+} < 140\,\mbox{GeV}$. Collaboration, ATLAS charged Higgs boson combination tau neutrino ATLAS MSSM BSM ttbar HIGGS 2012 2012 This paper presents the results of a search for charged Higgs bosons by the ATLAS experiment, based on 4.6 fb−1 of LHC proton-proton collision data at √s = 7 TeV, using ttbar decays with a tau lepton in the final state. The data agree with the Standard Model expectation. Assuming B(H+ → τν) = 1, this leads to upper limits on the branching ratio B(t → bH+) between ?.?% and ?.?% for H+ masses in the range 90 GeV < mH+ < 160 GeV. In the context of the mh-max scenario of the MSSM, values of tan β larger than ??–?? are excluded for H+ masses in the range 90 GeV < mH+ < 140 GeV. Bristow, T Goussiou, A Glatzer, J Keller, J Krosenberg, J Rompotis, N Thoma, S Vickey, T Wang, T HIGGS 2012 2012 We report a search for neutral Higgs bosons produced in proton-proton collisions delivered by the Large Hadron Collider (LHC) at center-of-mass energy 7 TeV and recorded by the ATLAS detector. The data correspond to an integrated luminosity of 4660 pb−1. The search focuses on final states where the Higgs bosons decay in a τ+τ− pair with one τ lepton decaying leptonically and the other hadronically. Two searches, which use the presence or not of a b-quark in the final state to distinguish among different Higgs production mechanisms, are combined in order to increase sensitivity. The data are found to be consistent with Standard Model (SM) expectations and upper limits on the cross section times the branching ratio of a hypothesized Higgs boson are interpreted in the minimal supersymmetric standard model (MSSM) parameter space excluding tan β &amp;gt; XX for CP-odd Higgs mass XXX Gev. Davey, W Dawe, N Dingfelder, J Glatzer, J Grimm, K Mader, W Morgenstern, M Rosendahl, P Scutti, F Strassner, A Trottier-McDonald, M Tsuno, S Xella, S Zanzi, D Zinonos, Z HIGGS 2012 2012 A search for neutral MSSM Higgs bosons $A$, $H$, $h$ with the ATLAS detector at the LHC is presented. The analysis is based on proton-proton collisions at a center-of-mass energy of $7 TeV$, corresponding to an integrated luminosity of $4.66 fb^-1$ and focuses on Higgs decays into two $\tau$ leptons, $A/H/h\to\tau^+\tau^-$, where both $\tau$ leptons decay hadronically. The search is pursued in two exclusive bins with at least one identified b-jet or without identified b-jet. After signal selection, XX events are observed in this data sample in the channel with b-jets and YY events are observed in the channel without b-jets. The observed number of events is (not) consistent with the background estimate of 65.2 events and 1104.6 events. An exclusion limit for the neutral MSSM CP-odd Higgs boson, $A$, production is derived as a function of cross section times branching ratio. This limit is also presented as a function of two parameters $m_A$ and $\tan\beta$. Gumpert, Christian 2011 2011 The search for Higgs bosons is among the primary goals of the ATLAS experiment. The minimal supersymmetric extension to the Standard Model contains three neutral Higgs bosons which are detectable through their decays into pairs of tau leptons. A major background for this discovery channel in the low mass region $M_{A} = 100-150 GeV$ arises from $\gamma^{*}/Z \to \tau^{+}\tau^{-}$ events. In this thesis, the cross section of the process $pp \to \gamma^{*}/Z \to \tau^{+}\tau^{-}$ is measured by investigating the fully leptonic final state. Therefore, $L = 35.5 pb^{-1}$ of data from proton-proton collisions recorded by the ATLAS detector at a centre-of-mass energy of 7TeV are analysed. The result obtained is $\sigma(pp \to \gamma^{*}/Z \to \tau^{+}\tau^{-})= 1.05 \pm 0.13(stat.)\pm 0.10(syst.)\pm 0.04(lumi.)nb$ and is in agreement with the theoretical prediction. Furthermore, the discovery channel $pp \to h/H/A \to \tau^{+}\tau^{-}$ is analysed in the purely leptonic final state for the low mass region $M_{A}=100-150 GeV$. An optimisation of the event selection by the usage of multivariate techniques is investigated. The optimal selection strategy is applied on $L = 1.06 fb({-1}$ of data recorded by the ATLAS detector. As the statistical analysis does not yield a significant deviation from the Standard Model expectation, exclusion limits in the $M_{A}\times tan \beta$ parameter space of the MSSM are derived. In the context of the $m_{h}^{max}$ scenario, this thesis concludes that values of $tan \beta > 32-51$ depending on the parameter $M_A$ are excluded at a 95% confidence level. Potter, CT Higgs NMSSM HIGGS 2012 2012 The Next-to Minimal Supersymmetric Model (NMSSM) is motivated by mu-term problem of the Minimal Supersymmetric Model (MSSM) and may explain anomalous experimental measurements. The NMSSM can significantly alter the phenomenology of the MSSM Higgs sector by allowing Higgs-to-Higgs decays thereby suppressing standard search channels. If the lightest CP-odd NMSSM Higgs Boson a1 satisfies 2Mtau &lt; Ma1 &lt; 2Mb, the dominant decay is a1 to tau+tau- with a1 to mu+mu- at a suppressed but measurable level. We present a search in 2011 data collected at the Large Hadron Collider for a light charged Higgs produced from top quark decay t to bH+ with subsequent decay H+ to a1W with an integrated luminosity of 4.7fb-1 at 7 TeV center-of-mass energy. Andari, N HIGGS 2012 2012 A combined search for the Standard Model Higgs boson with the ATLAS experiment at LHC using datasets corresponding to integrated luminosities from 1.0 to 2.3 fb-1 of pp collision at sqrt{s}=7 TeV is presented. The Higgs boson mass ranges 146 - 230 GeV, 256 - 282 GeV and 296 - 459 GeV are excluded at 95% Confidence Level, while the range 131 - 450 GeV is expected to be excluded in the absence of a signal. Searches in several decay channels are discussed. No significant excess was observed in any of these channels for the entire mass range from 110 to 600 GeV. In addition, a search for neutral Higgs bosons in the Minimal Supersymmetric extension to the Standard Model (MSSM) is presented. von Radziewski, Holger Lai, Stanley Warsinsky, Markus Schumacher, Markus HIGGS 2012 2012 A search for neutral MSSM Higgs bosons $A$, $H$, $h$ with the ATLAS detector at the LHC is presented. The analysis is based on proton-proton collisions at a center-of-mass energy of $7\TeV$, corresponding to an integrated luminosity of 4.66 fb$^{-1}$ and focuses on Higgs decays into two tau leptons, $A/H/h\to\tau^+\tau^-$, one tau lepton decays via $\tau \rightarrow \mu \nu_{\tau} \nu_{\mu}$ and the other decays via $\tau \rightarrow e \nu_{\tau} \nu_e$. In addition, one identified $b$-jet is required, to increase sensitivity to Higgs boson production in association with $b$-jets ($b\bar{b}H$). No excess of events beyond Standard Model expectation is observed and exclusion limits are presented in the $m_A$ vs. $\tan\beta$ plane of the $m_H^\text{max}$ scenario. Andari, N HIGGS 2012 2012 A combined search for the Standard Model Higgs boson with the ATLAS experiment at LHC using datasets corresponding to integrated luminosities from 1.0 to 2.3 fb-1 of pp collision at sqrt{s}=7 TeV is presented. The Higgs boson mass ranges 146 - 230 GeV, 256 - 282 GeV and 296 - 459 GeV are excluded at 95% Confidence Level, while the range 131 - 450 GeV is expected to be excluded in the absence of a signal. Searches in several decay channels are discussed. No significant excess was observed in any of these channels for the entire mass range from 110 to 600 GeV. In addition, a search for neutral Higgs bosons in the Minimal Supersymmetric extension to the Standard Model (MSSM) is presented. Flechl, M Hattrem Raddum, S Read, AL charged Higgs boson combination limit tau neutrino MSSM SUSY HIGGS 2012 2012 The experimental observation of charged Higgs bosons which are predicted by many models with an extended Higgs sector, would indicate physics beyond the Standard Model (SM). This note presents the details of the combination of the results from a search for charged Higgs bosons in 4.6 fb-1 of proton-proton collision data at sqrt{s}=7 TeV in three H+ -> taunu final states in tbar decays. The data agree with the SM expectation leading to a limit on the branching ratio BR(t -> bH+) of 0.01-0.05 for charged Higgs boson masses (m_H+) in the range 90 GeV<m_H+<160 GeV, assuming BR(H+ -> taunu)=1. In the context of the mh-max scenario of the MSSM, this excludes a region above eta = 13-26 in the mass range 90 GeV< m_H+< 150 GeV. Friedrich, F Gumpert, C Kobel, M Mader, W Morgenstern, M Straessner, A HIGGS 2012 2012 A search for neutral MSSM Higgs bosons $A$, $H$, $h$ with the ATLAS detector at the LHC is presented. The analysis is based on proton-proton collision data taken at a center-of-mass energy of 7 TeV, corresponding to an integrated luminosity of $4.66\text{fb}^{-1}$. It focuses on Higgs decays into two tau leptons, $A/H/h \to \tau^+ \tau^-$, where one tau lepton decays via $\tau \rightarrow \mu \nu_{\tau} \nu_{\mu}$ and the other via $\tau \rightarrow e \nu_{\tau} \nu_e$. Additionally, only events with no reconstructed jets are considered to increase the sensitivity to Higgs production via gluon-fusion. No significant excess of events beyond the Standard Model expectation is observed and exclusion limits are calculated in the $m_A-\tan \beta$ plane in the $m_h^\mathrm{max}$ scenario. Collaboration, ATLAS charged Higgs boson tau neutrino combined MSSM SUSY 2HDM 2012 2012 The results of a search for charged Higgs bosons are presented. The analysis is based on 4.6/fb of proton-proton ($pp$) collision data at $\sqrt{s}=7$ TeV collected by the ATLAS experiment at the Large Hadron Collider, using $t\bar{t}$ events with a $\tau$ lepton in the final state. The data are consistent with the expected background from Standard Model processes. Assuming that the branching fraction ${\cal B}(H^{\pm} \rightarrow \tau\nu)$ is 100%, this leads to upper limits on ${\cal B}(t \rightarrow bH^{+})$ between 5% and 1% for charged Higgs boson masses $(m_{H^+})$ ranging from 90 to 160 GeV, respectively. In the context of the $m_h^{\text{max}}$ scenario of the MSSM, values of $\tan\beta$ larger than 13-26 are excluded for charged Higgs boson masses in the range $90~\mbox{GeV} < m_{H^+} < 150~\mbox{GeV}$. charged Higgs boson tau neutrino combined MSSM SUSY 2HDM 2012 2012 The results of a search for charged Higgs bosons are presented. The analysis is based on 4.6/fb of proton-proton ($pp$) collision data at $\sqrt{s}=7$ TeV collected by the ATLAS experiment at the Large Hadron Collider, using $t\bar{t}$ events with a $\tau$ lepton in the final state. The data are consistent with the expected background from Standard Model processes. Assuming that the branching fraction ${\cal B}(H^{\pm} \rightarrow \tau\nu)$ is 100%, this leads to upper limits on ${\cal B}(t \rightarrow bH^{+})$ between 5% and 1% for charged Higgs boson masses $(m_{H^+})$ ranging from 90 to 160 GeV, respectively. In the context of the $m_h^{\text{max}}$ scenario of the MSSM, values of $\tan\beta$ larger than 13-26 are excluded for charged Higgs boson masses in the range $90~\mbox{GeV} < m_{H^+} < 150~\mbox{GeV}$. v Radziewski, H HIGGS 2012 2012 Poster to be presented at LHCC Poster Session, from ATLAS-CONF-2011-132 and ATLAS-CONF-2012-011 Lenzi, B Higgs Beyond Standard Model Fermiophobic MSSM Charged Higgs HIGGS 2012 2012 Talk to be given at DIS Trottier-McDonald, M tau, tau reconstruction, tau identification, tau performance, ztautau cross-section, MSSM Higgs exclusion, supersymmetry, bormio TAUPERF 2012 2012 Physics involving tau lepton signatures form an integral part of the ATLAS physics programme. Tau lepton identification is used in many analyses at ATLAS such as searches for exotic phenomena and Higgs bosons, as well as Standard Model measurements of cross-sections. The performance of the reconstruction and identification algorithms for hadronically decaying tau leptons is reviewed. The cross-section measurement of the Z boson decaying to a pair of tau leptons is discussed, as well as the search for heavier ditau resonances such as supersymmetric Higgs bosons. Anders, C HIGGS 2012 2012 Slides for MCTP 12 on searches for non Standard Model Higgs Bosons with ATLAS. Include are: fermiophobic Higgs, neutral MSSM Higgs, charged Higgs, doubly charged Higgs and nMSSM a_1 to mumu. Trottier-McDonald, M tau, tau reconstruction, tau identification, tau performance, ztautau cross-section, MSSM Higgs exclusion, supersymmetry, bormio TAUPERF 2012 2012 Physics involving tau lepton signatures form an integral part of the ATLAS physics programme. Tau lepton identification is used in many analyses at ATLAS such as searches for exotic phenomena and Higgs bosons, as well as Standard Model measurements of cross-sections. The performance of the reconstruction and identification algorithms for hadronically decaying tau leptons is reviewed. The cross-section measurement of the Z boson decaying to a pair of tau leptons is discussed, as well as the search for heavier ditau resonances such as supersymmetric Higgs bosons. Abbott, Brad Abdallah, Jalal Abdel Khalek, Samah Abdelalim, Ahmed Ali Abdinov, Ovsat Abi, Babak Abolins, Maris AbouZeid, Ossama Abramowicz, Halina Abreu, Henso Acerbi, Emilio Acharya, Bobby Samir Adamczyk, Leszek Adams, David Addy, Tetteh Adelman, Jahred Adomeit, Stefanie Adragna, Paolo Adye, Tim Aefsky, Scott Aguilar-Saavedra, Juan Antonio Aharrouche, Mohamed Ahlen, Steven Ahles, Florian Ahmad, Ashfaq Ahsan, Mahsana Aielli, Giulio Akdogan, Taylan Åkesson, Torsten Paul Ake Akimoto, Ginga Akimov, Andrei Akiyama, Kunihiro Alam, Mohammad Alam, Muhammad Aftab Albert, Justin Albrand, Solveig Aleksa, Martin Aleksandrov, Igor Alessandria, Franco Alexa, Calin Alexander, Gideon Alexandre, Gauthier Alexopoulos, Theodoros Alhroob, Muhammad Aliev, Malik Alimonti, Gianluca Alison, John Allbrooke, Benedict Allport, Phillip Allwood-Spiers, Sarah Almond, John Aloisio, Alberto Alon, Raz Alonso, Alejandro Alvarez Gonzalez, Barbara Alviggi, Mariagrazia Amako, Katsuya Amelung, Christoph Ammosov, Vladimir Amorim, Antonio Amorós, Gabriel Amram, Nir Anastopoulos, Christos Ancu, Lucian Stefan Andari, Nansi Andeen, Timothy Anders, Christoph Falk Anders, Gabriel Anderson, Kelby Andreazza, Attilio Andrei, George Victor Anduaga, Xabier Angerami, Aaron Anghinolfi, Francis Anisenkov, Alexey Anjos, Nuno Annovi, Alberto Antonaki, Ariadni Antonelli, Mario Antonov, Alexey Antos, Jaroslav Anulli, Fabio Aoun, Sahar Aperio Bella, Ludovica Apolle, Rudi Arabidze, Giorgi Aracena, Ignacio Arai, Yasuo Arce, Ayana Arfaoui, Samir Arguin, Jean-Francois Arik, Engin Arik, Metin Armbruster, Aaron James Arnaez, Olivier Arnal, Vanessa Arnault, Christian Artamonov, Andrei Artoni, Giacomo Arutinov, David Asai, Shoji Asfandiyarov, Ruslan Ask, Stefan Åsman, Barbro Asquith, Lily Assamagan, Ketevi Astbury, Alan Aubert, Bernard Auge, Etienne Augsten, Kamil Aurousseau, Mathieu Avolio, Giuseppe Avramidou, Rachel Maria Axen, David Azuelos, Georges Azuma, Yuya Baak, Max Baccaglioni, Giuseppe Bacci, Cesare Bach, Andre Bachacou, Henri Bachas, Konstantinos Backes, Moritz Backhaus, Malte Badescu, Elisabeta Bagnaia, Paolo Bahinipati, Seema Bai, Yu Bailey, David Bain, Travis Baines, John Baker, Oliver Keith Baker, Mark Baker, Sarah Banas, Elzbieta Banerjee, Piyali Banerjee, Swagato Banfi, Danilo Bangert, Andrea Michelle Bansal, Vikas Bansil, Hardeep Singh Barak, Liron Baranov, Sergei Barbaro Galtieri, Angela Barber, Tom Barberio, Elisabetta Luigia Barberis, Dario Barbero, Marlon Bardin, Dmitri Barillari, Teresa Barisonzi, Marcello Barklow, Timothy Barlow, Nick Barnett, Bruce Barnett, Michael Baroncelli, Antonio Barone, Gaetano Barr, Alan Barreiro, Fernando Barreiro Guimarães da Costa, João Barrillon, Pierre Bartoldus, Rainer Barton, Adam Edward Bartsch, Valeria Bates, Richard Batkova, Lucia Batley, Richard Battaglia, Andreas Battistin, Michele Bauer, Florian Bawa, Harinder Singh Beale, Steven Beau, Tristan Beauchemin, Pierre-Hugues Beccherle, Roberto Bechtle, Philip Beck, Hans Peter Becker, Sebastian Beckingham, Matthew Becks, Karl-Heinz Beddall, Andrew Beddall, Ayda Bedikian, Sourpouhi Bednyakov, Vadim Bee, Christopher Begel, Michael Behar Harpaz, Silvia Behera, Prafulla Beimforde, Michael Belanger-Champagne, Camille Bell, Paul Bell, William Bella, Gideon Bellagamba, Lorenzo Bellina, Francesco Bellomo, Massimiliano Belloni, Alberto Beloborodova, Olga Belotskiy, Konstantin Beltramello, Olga Benary, Odette Benchekroun, Driss Bendtz, Katarina Benekos, Nektarios Benhammou, Yan Benhar Noccioli, Eleonora Benitez Garcia, Jorge-Armando Benjamin, Douglas Benoit, Mathieu Bensinger, James Benslama, Kamal Bentvelsen, Stan Berge, David Bergeaas Kuutmann, Elin Berger, Nicolas Berghaus, Frank Berglund, Elina Beringer, Jürg Bernat, Pauline Bernhard, Ralf Bernius, Catrin Berry, Tracey Bertella, Claudia Bertin, Antonio Bertolucci, Federico Besana, Maria Ilaria Besson, Nathalie Bethke, Siegfried Bhimji, Wahid Bianchi, Riccardo-Maria Bianco, Michele Biebel, Otmar Bieniek, Stephen Paul Bierwagen, Katharina Biesiada, Jed Biglietti, Michela Bilokon, Halina Bindi, Marcello Binet, Sebastien Bingul, Ahmet Bini, Cesare Biscarat, Catherine Bitenc, Urban Black, Kevin Blair, Robert Blanchard, Jean-Baptiste Blanchot, Georges Blazek, Tomas Blocker, Craig Blocki, Jacek Blondel, Alain Blum, Walter Blumenschein, Ulrike Bobbink, Gerjan Bobrovnikov, Victor Bocchetta, Simona Serena Bocci, Andrea Boddy, Christopher Richard Boehler, Michael Boek, Jennifer Boelaert, Nele Bogaerts, Joannes Andreas Bogdanchikov, Alexander Bogouch, Andrei Bohm, Christian Bohm, Jan Boisvert, Veronique Bold, Tomasz Boldea, Venera Bolnet, Nayanka Myriam Bomben, Marco Bona, Marcella Bondioli, Mario Boonekamp, Maarten Booth, Chris Bordoni, Stefania Borer, Claudia Borisov, Anatoly Borissov, Guennadi Borjanovic, Iris Borri, Marcello Borroni, Sara Bortolotto, Valerio Bos, Kors Boscherini, Davide Bosman, Martine Boterenbrood, Hendrik Botterill, David Bouchami, Jihene Boudreau, Joseph Bouhova-Thacker, Evelina Vassileva Boumediene, Djamel Eddine Bourdarios, Claire Bousson, Nicolas Boveia, Antonio Boyd, James Boyko, Igor Bozhko, Nikolay Bozovic-Jelisavcic, Ivanka Bracinik, Juraj Branchini, Paolo Brandt, Andrew Brandt, Gerhard Brandt, Oleg Bratzler, Uwe Brau, Benjamin Brau, James Braun, Helmut Brelier, Bertrand Bremer, Johan Brendlinger, Kurt Brenner, Richard Bressler, Shikma Britton, Dave Brochu, Frederic Brock, Ian Brock, Raymond Brodet, Eyal Broggi, Francesco Bromberg, Carl Bronner, Johanna Brooijmans, Gustaaf Brooks, William Brown, Gareth Brown, Heather Bruckman de Renstrom, Pawel Bruncko, Dusan Bruneliere, Renaud Brunet, Sylvie Bruni, Alessia Bruni, Graziano Bruschi, Marco Buanes, Trygve Buat, Quentin Bucci, Francesca Buchanan, James Buchholz, Peter Buckingham, Ryan Buckley, Andrew Buda, Stelian Ioan Budagov, Ioulian Budick, Burton Büscher, Volker Bugge, Lars Bulekov, Oleg Bundock, Aaron Colin Bunse, Moritz Buran, Torleiv Burckhart, Helfried Burdin, Sergey Burgess, Thomas Burke, Stephen Busato, Emmanuel Bussey, Peter Buszello, Claus-Peter Butler, Bart Butler, John Buttar, Craig Butterworth, Jonathan Buttinger, William Cabrera Urbán, Susana Caforio, Davide Cakir, Orhan Calafiura, Paolo Calderini, Giovanni Calfayan, Philippe Calkins, Robert Caloba, Luiz Caloi, Rita Calvet, David Calvet, Samuel Camacho Toro, Reina Camarri, Paolo Cameron, David Caminada, Lea Michaela Campana, Simone Campanelli, Mario Canale, Vincenzo Canelli, Florencia Canepa, Anadi Cantero, Josu Capasso, Luciano Capeans Garrido, Maria Del Mar Caprini, Irinel Caprini, Mihai Capriotti, Daniele Capua, Marcella Caputo, Regina Cardarelli, Roberto Carli, Tancredi Carlino, Gianpaolo Carminati, Leonardo Caron, Bryan Caron, Sascha Carquin, Edson Carrillo Montoya, German D Carter, Antony Carter, Janet Carvalho, João Casadei, Diego Casado, Maria Pilar Cascella, Michele Caso, Carlo Castaneda Hernandez, Alfredo Martin Castaneda-Miranda, Elizabeth Castillo Gimenez, Victoria Castro, Nuno Filipe Cataldi, Gabriella Catastini, Pierluigi Catinaccio, Andrea Catmore, James Cattai, Ariella Cattani, Giordano Caughron, Seth Cauz, Diego Cavalleri, Pietro Cavalli, Donatella Cavalli-Sforza, Matteo Cavasinni, Vincenzo Ceradini, Filippo Santiago Cerqueira, Augusto Cerri, Alessandro Cerrito, Lucio Cerutti, Fabio Cetin, Serkant Ali Chafaq, Aziz Chakraborty, Dhiman Chalupkova, Ina Chan, Kevin Chapleau, Bertrand Chapman, John Derek Chapman, John Wehrley Chareyre, Eve Charlton, Dave Chavda, Vikash Chavez Barajas, Carlos Alberto Cheatham, Susan Chekanov, Sergei Chekulaev, Sergey Chelkov, Gueorgui Chelstowska, Magda Anna Chen, Chunhui Chen, Hucheng Chen, Shenjian Chen, Xin Cheplakov, Alexander Cherkaoui El Moursli, Rajaa Chernyatin, Valeriy Cheu, Elliott Cheung, Sing-Leung Chevalier, Laurent Chiefari, Giovanni Chikovani, Leila Childers, John Taylor Chilingarov, Alexandre Chiodini, Gabriele Chisholm, Andrew Chislett, Rebecca Thalatta Chizhov, Mihail Choudalakis, Georgios Chouridou, Sofia Christidi, Illectra-Athanasia Christov, Asen Chromek-Burckhart, Doris Chu, Ming-Lee Chudoba, Jiri Ciapetti, Guido Ciftci, Abbas Kenan Ciftci, Rena Cinca, Diane Cindro, Vladimir Ciocca, Claudia Ciocio, Alessandra Cirilli, Manuela Citterio, Mauro Ciubancan, Mihai Clark, Allan G Clark, Philip James Cleland, Bill Clemens, Jean-Claude Clement, Benoit Clement, Christophe Coadou, Yann Cobal, Marina Coccaro, Andrea Cochran, James H Coe, Paul Cogan, Joshua Godfrey Coggeshall, James Cogneras, Eric Colas, Jacques Colijn, Auke-Pieter Collins, Neil Collins-Tooth, Christopher Collot, Johann Colon, German Conde Muiño, Patricia Coniavitis, Elias Conidi, Maria Chiara Consonni, Sofia Maria Consorti, Valerio Constantinescu, Serban Conta, Claudio Conti, Geraldine Conventi, Francesco Cooke, Mark Cooper, Ben Cooper-Sarkar, Amanda Copic, Katherine Cornelissen, Thijs Corradi, Massimo Corriveau, Francois Cortes-Gonzalez, Arely Cortiana, Giorgio Costa, Giuseppe Costa, María José Costanzo, Davide Costin, Tudor Côté, David Courneyea, Lorraine Cowan, Glen Cowden, Christopher Cox, Brian Cranmer, Kyle Crescioli, Francesco Cristinziani, Markus Crosetti, Giovanni Crupi, Roberto Crépé-Renaudin, Sabine Cuciuc, Constantin-Mihai Cuenca Almenar, Cristóbal Cuhadar Donszelmann, Tulay Curatolo, Maria Curtis, Chris Cuthbert, Cameron Cwetanski, Peter Czirr, Hendrik Czodrowski, Patrick Czyczula, Zofia D'Auria, Saverio D'Onofrio, Monica D'Orazio, Alessia Da Via, Cinzia Dabrowski, Wladyslaw Dafinca, Alexandru Dai, Tiesheng Dallapiccola, Carlo Dam, Mogens Dameri, Mauro Damiani, Daniel Danielsson, Hans Olof Dao, Valerio Darbo, Giovanni Darlea, Georgiana Lavinia Davey, Will Davidek, Tomas Davidson, Nadia Davidson, Ruth Davies, Eleanor Davies, Merlin Davison, Adam Davygora, Yuriy Dawe, Edmund Dawson, Ian Daya-Ishmukhametova, Rozmin De, Kaushik de Asmundis, Riccardo De Castro, Stefano De Cecco, Sandro de Graat, Julien De Groot, Nicolo de Jong, Paul De La Taille, Christophe De la Torre, Hector De Lorenzi, Francesco De Lotto, Barbara de Mora, Lee De Nooij, Lucie De Pedis, Daniele De Salvo, Alessandro De Sanctis, Umberto De Santo, Antonella De Vivie De Regie, Jean-Baptiste De Zorzi, Guido Dearnaley, William James Debbe, Ramiro Debenedetti, Chiara Dechenaux, Benjamin Dedovich, Dmitri Degenhardt, James Del Papa, Carlo Del Peso, Jose Del Prete, Tarcisio Delemontex, Thomas Deliyergiyev, Maksym Dell'Acqua, Andrea Dell'Asta, Lidia Della Pietra, Massimo della Volpe, Domenico Delmastro, Marco Delsart, Pierre-Antoine Deluca, Carolina Demers, Sarah Demichev, Mikhail Demirkoz, Bilge Deng, Jianrong Denisov, Sergey Derendarz, Dominik Derkaoui, Jamal Eddine Derue, Frederic Dervan, Paul Desch, Klaus Kurt Devetak, Erik Deviveiros, Pier-Olivier Dewhurst, Alastair DeWilde, Burton Dhaliwal, Saminder Dhullipudi, Ramasudhakar Di Ciaccio, Anna Di Ciaccio, Lucia Di Girolamo, Alessandro Di Girolamo, Beniamino Di Luise, Silvestro Di Mattia, Alessandro Di Micco, Biagio Di Nardo, Roberto Di Simone, Andrea Di Sipio, Riccardo Diaz, Marco Aurelio Diblen, Faruk Diehl, Edward Dietrich, Janet Dietzsch, Thorsten Diglio, Sara Dindar Yagci, Kamile Dingfelder, Jochen Dionisi, Carlo Dita, Petre Dita, Sanda Dittus, Fridolin Djama, Fares Djobava, Tamar Barros do Vale, Maria Aline Do Valle Wemans, André Doan, Thi Kieu Oanh Dobbs, Matt Dobinson, Robert Dobos, Daniel Dobson, Ellie Dodd, Jeremy Doglioni, Caterina Doherty, Tom Doi, Yoshikuni Dolejsi, Jiri Dolenc, Irena Dolezal, Zdenek Dolgoshein, Boris Dohmae, Takeshi Donadelli, Marisilvia Donega, Mauro Donini, Julien Dopke, Jens Doria, Alessandra Dos Anjos, Andre Dotti, Andrea Dova, Maria-Teresa Doxiadis, Alexander Doyle, Tony Dris, Manolis Dubbert, Jörg Dube, Sourabh Duchovni, Ehud Duckeck, Guenter Dudarev, Alexey Dudziak, Fanny Dührssen, Michael Duerdoth, Ian Duflot, Laurent Dufour, Marc-Andre Dunford, Monica Duran Yildiz, Hatice Duxfield, Robert Dwuznik, Michal Dydak, Friedrich Düren, Michael Ebke, Johannes Eckweiler, Sebastian Edmonds, Keith Edwards, Clive Edwards, Nicholas Charles Ehrenfeld, Wolfgang Eifert, Till Eigen, Gerald Einsweiler, Kevin Eisenhandler, Eric Ekelof, Tord El Kacimi, Mohamed Ellert, Mattias Elles, Sabine Ellinghaus, Frank Ellis, Katherine Ellis, Nicolas Elmsheuser, Johannes Elsing, Markus Emeliyanov, Dmitry Engelmann, Roderich Engl, Albert Epp, Brigitte Eppig, Andrew Erdmann, Johannes Ereditato, Antonio Eriksson, Daniel Ernst, Jesse Ernst, Michael Ernwein, Jean Errede, Deborah Errede, Steven Ertel, Eugen Escalier, Marc Escobar, Carlos Espinal Curull, Xavier Esposito, Bellisario Etienne, Francois Etienvre, Anne-Isabelle Etzion, Erez Evangelakou, Despoina Evans, Hal Fabbri, Laura Fabre, Caroline Fakhrutdinov, Rinat Falciano, Speranza Fang, Yaquan Fanti, Marcello Farbin, Amir Farilla, Addolorata Farley, Jason Farooque, Trisha Farrell, Steven Farrington, Sinead Farthouat, Philippe Fassnacht, Patrick Fassouliotis, Dimitrios Fatholahzadeh, Baharak Favareto, Andrea Fayard, Louis Fazio, Salvatore Febbraro, Renato Federic, Pavol Fedin, Oleg Fedorko, Woiciech Fehling-Kaschek, Mirjam Feligioni, Lorenzo Fellmann, Denis Feng, Cunfeng Feng, Eric Fenyuk, Alexander Ferencei, Jozef Fernando, Waruna Ferrag, Samir Ferrando, James Ferrara, Valentina Ferrari, Arnaud Ferrari, Pamela Ferrari, Roberto Ferreira de Lima, Danilo Enoque Ferrer, Antonio Ferrere, Didier Ferretti, Claudio Ferretto Parodi, Andrea Fiascaris, Maria Fiedler, Frank Filipčič, Andrej Filthaut, Frank Fincke-Keeler, Margret Fiolhais, Miguel Fiorini, Luca Firan, Ana Fischer, Gordon Fisher, Matthew Flechl, Martin Fleck, Ivor Fleckner, Johanna Fleischmann, Philipp Fleischmann, Sebastian Flick, Tobias Floderus, Anders Flores Castillo, Luis Flowerdew, Michael Fonseca Martin, Teresa Forbush, David Alan Formica, Andrea Forti, Alessandra Fortin, Dominique Fournier, Daniel Fox, Harald Francavilla, Paolo Franchino, Silvia Francis, David Frank, Tal Franklin, Melissa Franz, Sebastien Fraternali, Marco Fratina, Sasa French, Sky Friedrich, Conrad Friedrich, Felix Froeschl, Robert Froidevaux, Daniel Frost, James Fukunaga, Chikara Fullana Torregrosa, Esteban Fulsom, Bryan Gregory Fuster, Juan Gabaldon, Carolina Gabizon, Ofir Gadfort, Thomas Gadomski, Szymon Gagliardi, Guido Gagnon, Pauline Galea, Cristina Gallas, Elizabeth Gallo, Valentina Santina Gallop, Bruce Gallus, Petr Gan, KK Gao, Yongsheng Gaponenko, Andrei Garberson, Ford Garcia-Sciveres, Maurice García, Carmen García Navarro, José Enrique Gardner, Robert Garelli, Nicoletta Garitaonandia, Hegoi Garonne, Vincent Garvey, John Gatti, Claudio Gaudio, Gabriella Gaur, Bakul Gauthier, Lea Gauzzi, Paolo Gavrilenko, Igor Gay, Colin Gaycken, Goetz Gazis, Evangelos Ge, Peng Gecse, Zoltan Gee, Norman Geerts, Daniël Alphonsus Adrianus Geich-Gimbel, Christoph Gellerstedt, Karl Gemme, Claudia Gemmell, Alistair Genest, Marie-Hélène Gentile, Simonetta George, Matthias George, Simon Gerlach, Peter Gershon, Avi Geweniger, Christoph Ghazlane, Hamid Ghodbane, Nabil Giacobbe, Benedetto Giagu, Stefano Giakoumopoulou, Victoria Giangiobbe, Vincent Gianotti, Fabiola Gibbard, Bruce Gibson, Adam Gibson, Stephen Gillberg, Dag Gillman, Tony Gingrich, Douglas Ginzburg, Jonatan Giokaris, Nikos Giordani, MarioPaolo Giordano, Raffaele Giorgi, Francesco Michelangelo Giovannini, Paola Giraud, Pierre-Francois Giugni, Danilo Giunta, Michele Giusti, Paolo Gjelsten, Børge Kile Gladilin, Leonid Glasman, Claudia Glatzer, Julian Glazov, Alexandre Glitza, Karl-Walter Glonti, George Goddard, Jack Robert Godfrey, Jennifer Godlewski, Jan Goebel, Martin Göpfert, Thomas Goeringer, Christian Gössling, Claus Göttfert, Tobias Goldfarb, Steven Golling, Tobias Gomes, Agostinho Gomez Fajardo, Luz Stella Gonçalo, Ricardo Goncalves Pinto Firmino Da Costa, Joao Gonella, Laura Gonzalez, Saul González de la Hoz, Santiago Gonzalez Parra, Garoe Gonzalez Silva, Laura Gonzalez-Sevilla, Sergio Goodson, Jeremiah Jet Goossens, Luc Gorbounov, Petr Andreevich Gordon, Howard Gorelov, Igor Gorfine, Grant Gorini, Benedetto Gorini, Edoardo Gorišek, Andrej Gornicki, Edward 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Haefner, Petra Hahn, Ferdinand Haider, Stefan Hajduk, Zbigniew Hakobyan, Hrachya Hall, David Haller, Johannes Hamacher, Klaus Hamal, Petr Hamer, Matthias Hamilton, Andrew Hamilton, Samuel Han, Liang Hanagaki, Kazunori Hanawa, Keita Hance, Michael Handel, Carsten Hanke, Paul Hansen, John Renner Hansen, Jørgen Beck Hansen, Jorn Dines Hansen, Peter Henrik Hansson, Per Hara, Kazuhiko Hare, Gabriel Harenberg, Torsten Harkusha, Siarhei Harper, Devin Harrington, Robert Harris, Orin Harrison, Karl Hartert, Jochen Hartjes, Fred Haruyama, Tomiyoshi Harvey, Alex Hasegawa, Satoshi Hasegawa, Yoji Hassani, Samira Haug, Sigve Hauschild, Michael Hauser, Reiner Havranek, Miroslav Hawkes, Christopher Hawkings, Richard John Hawkins, Anthony David Hawkins, Donovan Hayakawa, Takashi Hayashi, Takayasu Hayden, Daniel Hayward, Helen Haywood, Stephen He, Mao Head, Simon Hedberg, Vincent Heelan, Louise Heim, Sarah Heinemann, Beate Heisterkamp, Simon Helary, Louis Heller, Claudio Heller, Matthieu Hellman, Sten 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Huettmann, Antje Huffman, Todd Brian Hughes, Emlyn Hughes, Gareth Huhtinen, Mika Hurwitz, Martina Husemann, Ulrich Huseynov, Nazim Huston, Joey Huth, John Iacobucci, Giuseppe Iakovidis, Georgios Ibbotson, Michael Ibragimov, Iskander Iconomidou-Fayard, Lydia Idarraga, John Iengo, Paolo Igonkina, Olga Ikegami, Yoichi Ikeno, Masahiro Iliadis, Dimitrios Ilic, Nikolina Imori, Masatoshi Ince, Tayfun Inigo-Golfin, Joaquin Ioannou, Pavlos Iodice, Mauro Iordanidou, Kalliopi Ippolito, Valerio Irles Quiles, Adrian Isaksson, Charlie Ishikawa, Akimasa Ishino, Masaya Ishmukhametov, Renat Issever, Cigdem Istin, Serhat Ivashin, Anton Iwanski, Wieslaw Iwasaki, Hiroyuki Izen, Joseph Izzo, Vincenzo Jackson, Brett Jackson, John Jackson, Paul Jaekel, Martin Jain, Vivek Jakobs, Karl Jakobsen, Sune Jakubek, Jan Jana, Dilip Jansen, Eric Jansen, Hendrik Jantsch, Andreas Janus, Michel Jarlskog, Göran Jeanty, Laura Jen-La Plante, Imai Jenni, Peter Jeremie, Andrea Jež, Pavel Jézéquel, Stéphane Jha, Manoj Kumar Ji, Haoshuang Ji, Weina Jia, Jiangyong Jiang, Yi Jimenez Belenguer, Marcos Jin, Shan Jinnouchi, Osamu Joergensen, Morten Dam Joffe, David Johansen, Lars Johansen, Marianne Johansson, Erik Johansson, Per Johnert, Sebastian Johns, Kenneth Jon-And, Kerstin Jones, Graham Jones, Roger Jones, Tim Joram, Christian Jorge, Pedro Joshi, Kiran Daniel Jovicevic, Jelena Jovin, Tatjana Ju, Xiangyang Jung, Christian Jungst, Ralph Markus Juranek, Vojtech Jussel, Patrick Juste Rozas, Aurelio Kabana, Sonja Kaci, Mohammed Kaczmarska, Anna Kadlecik, Peter Kado, Marumi Kagan, Harris Kagan, Michael Kajomovitz, Enrique Kalinin, Sergey Kalinovskaya, Lidia Kama, Sami Kanaya, Naoko Kaneda, Michiru Kaneti, Steven Kanno, Takayuki Kantserov, Vadim Kanzaki, Junichi Kaplan, Benjamin Kapliy, Anton Kaplon, Jan Kar, Deepak Karagounis, Michael Karnevskiy, Mikhail Kartvelishvili, Vakhtang Karyukhin, Andrey Kashif, Lashkar Kasieczka, Gregor Kass, Richard Kastanas, Alex Kataoka, Mayuko Kataoka, Yousuke Katsoufis, Elias Katzy, Judith Kaushik, Venkatesh Kawagoe, Kiyotomo Kawamoto, Tatsuo Kawamura, Gen Kayl, Manuel Kazanin, Vassili Kazarinov, Makhail Keeler, Richard Kehoe, Robert Keil, Markus Kekelidze, George Keller, John Kennedy, John Kenyon, Mike Kepka, Oldrich Kerschen, Nicolas Kerševan, Borut Paul Kersten, Susanne Kessoku, Kohei Keung, Justin Khalil-zada, Farkhad Khandanyan, Hovhannes Khanov, Alexander Kharchenko, Dmitri Khodinov, Alexander Khomich, Andrei Khoo, Teng Jian Khoriauli, Gia Khoroshilov, Andrey Khovanskiy, Valery Khramov, Evgeniy Khubua, Jemal Kim, Hyeon Jin Kim, Min Suk Kim, Shinhong Kimura, Naoki Kind, Oliver King, Barry King, Matthew King, Robert Steven Beaufoy Kirk, Julie Kiryunin, Andrey Kishimoto, Tomoe Kisielewska, Danuta Kittelmann, Thomas Kiver, Andrey Kladiva, Eduard Klein, Max Klein, Uta Kleinknecht, Konrad Klemetti, Miika Klier, Amit Klimek, Pawel Klimentov, Alexei Klingenberg, Reiner Klinger, Joel Alexander Klinkby, Esben Klioutchnikova, Tatiana Klok, Peter Klous, Sander Kluge, Eike-Erik Kluge, Thomas Kluit, Peter Kluth, Stefan Knecht, Neil Kneringer, Emmerich Knoops, Edith Knue, Andrea Ko, Byeong Rok Kobayashi, Tomio Kobel, Michael Kocian, Martin Kodys, Peter Köneke, Karsten König, Adriaan Koenig, Sebastian Köpke, Lutz Koetsveld, Folkert Koevesarki, Peter Koffas, Thomas Koffeman, Els Kogan, Lucy Anne Kohlmann, Simon Kohn, Fabian Kohout, Zdenek Kohriki, Takashi Koi, Tatsumi Kolachev, Guennady Kolanoski, Hermann Kolesnikov, Vladimir Koletsou, Iro Koll, James Kollefrath, Michael Komar, Aston Komori, Yuto Kondo, Takahiko Kono, Takanori Kononov, Anatoly Konoplich, Rostislav Konstantinidis, Nikolaos Kootz, Andreas Koperny, Stefan Kopp, Anna Katharina Korcyl, Krzysztof Kordas, Kostantinos Korn, Andreas Korol, Aleksandr Korolkov, Ilya Korolkova, Elena Korotkov, Vladislav Kortner, Oliver Kortner, Sandra Kostyukhin, Vadim Kotov, Sergey Kotov, Vladislav Kotwal, Ashutosh Kourkoumelis, Christine Kouskoura, Vasiliki Koutsman, Alex Kowalewski, Robert Victor 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Anna Mazini, Rachid Mazur, Michael Mazzaferro, Luca Mazzanti, Marcello Mc Kee, Shawn Patrick McCarn, Allison McCarthy, Robert McCarthy, Tom McCubbin, Norman McFarlane, Kenneth Mcfayden, Josh McGlone, Helen Mchedlidze, Gvantsa Mclaughlan, Tom McMahon, Steve McPherson, Robert Meade, Andrew Mechnich, Joerg Mechtel, Markus Medinnis, Mike Meera-Lebbai, Razzak Meguro, Tatsuma Mehlhase, Sascha Mehta, Andrew Meier, Karlheinz Meirose, Bernhard Melachrinos, Constantinos Mellado Garcia, Bruce Rafael Meloni, Federico Mendoza Navas, Luis Meng, Zhaoxia Mengarelli, Alberto Menke, Sven Meoni, Evelin Mercurio, Kevin Michael Mermod, Philippe Merola, Leonardo Meroni, Chiara Merritt, Frank Merritt, Hayes Messina, Andrea Metcalfe, Jessica Mete, Alaettin Serhan Meyer, Carsten Meyer, Christopher Meyer, Jean-Pierre Meyer, Jochen Meyer, Joerg Meyer, Thomas Christian Meyer, W Thomas Miao, Jiayuan Michal, Sebastien Micu, Liliana Middleton, Robin Migas, Sylwia Mijović, Liza Mikenberg, Giora Mikestikova, Marcela Mikuž, Marko Miller, David Miller, Robert Mills, Bill Mills, Corrinne Milov, Alexander Milstead, David Milstein, Dmitry Minaenko, Andrey Miñano Moya, Mercedes Minashvili, Irakli Mincer, Allen Mindur, Bartosz Mineev, Mikhail Ming, Yao Mir, Lluisa-Maria Mirabelli, Giovanni Misiejuk, Andrzej Mitrevski, Jovan Mitsou, Vasiliki A Mitsui, Shingo Miyagawa, Paul Miyazaki, Kazuki Mjörnmark, Jan-Ulf Moa, Torbjoern Mockett, Paul Moed, Shulamit Moeller, Victoria Mönig, Klaus Möser, Nicolas Mohapatra, Soumya Mohr, Wolfgang Moles-Valls, Regina Molina-Perez, Jorge Monk, James Monnier, Emmanuel Montesano, Simone Monticelli, Fernando Monzani, Simone Moore, Roger Moorhead, Gareth Mora Herrera, Clemencia Moraes, Arthur Morange, Nicolas Morel, Julien Morello, Gianfranco Moreno, Deywis Moreno Llácer, María Morettini, Paolo Morgenstern, Marcus Morii, Masahiro Morin, Jerome Morley, Anthony Keith Mornacchi, Giuseppe Morris, John Morvaj, Ljiljana Moser, Hans-Guenther Mosidze, Maia Moss, Josh Mount, Richard 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Ikuo Ueno, Ryuichi Ugland, Maren Uhlenbrock, Mathias Uhrmacher, Michael Ukegawa, Fumihiko Unal, Guillaume Undrus, Alexander Unel, Gokhan Unno, Yoshinobu Urbaniec, Dustin Usai, Giulio Uslenghi, Massimiliano Vacavant, Laurent Vacek, Vaclav Vachon, Brigitte Vahsen, Sven Valenta, Jan Valente, Paolo Valentinetti, Sara Valkar, Stefan Valladolid Gallego, Eva Vallecorsa, Sofia Valls Ferrer, Juan Antonio van der Graaf, Harry van der Kraaij, Erik Van Der Leeuw, Robin van der Poel, Egge van der Ster, Daniel van Eldik, Niels van Gemmeren, Peter van Vulpen, Ivo Vanadia, Marco Vandelli, Wainer Vaniachine, Alexandre Vankov, Peter Vannucci, Francois Vari, Riccardo Varol, Tulin Varouchas, Dimitris Vartapetian, Armen Varvell, Kevin Vassilakopoulos, Vassilios Vazeille, Francois Vazquez Schroeder, Tamara Vegni, Guido Veillet, Jean-Jacques Veloso, Filipe Veness, Raymond Veneziano, Stefano Ventura, Andrea Ventura, Daniel Venturi, Manuela Venturi, Nicola Vercesi, Valerio Verducci, Monica Verkerke, Wouter 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Joshua C Wang, Rui Wang, Song-Ming Wang, Tan Warburton, Andreas Ward, Patricia Warsinsky, Markus Washbrook, Andrew Wasicki, Christoph Watkins, Peter Watson, Alan Watson, Ian Watson, Miriam Watts, Gordon Watts, Stephen Waugh, Anthony Waugh, Ben Weber, Marc Weber, Michele Weber, Pavel Weidberg, Anthony Weigell, Philipp Weingarten, Jens Weiser, Christian Wellenstein, Hermann Wells, Phillippa Wenaus, Torre Wendland, Dennis Weng, Zhili Wengler, Thorsten Wenig, Siegfried Wermes, Norbert Werner, Matthias Werner, Per Werth, Michael Wessels, Martin Wetter, Jeffrey Weydert, Carole Whalen, Kathleen Wheeler-Ellis, Sarah Jane White, Andrew White, Martin White, Sebastian Whitehead, Samuel Robert Whiteson, Daniel Whittington, Denver Wicek, Francois Wicke, Daniel Wickens, Fred Wiedenmann, Werner Wielers, Monika Wienemann, Peter Wiglesworth, Craig Wiik-Fuchs, Liv Antje Mari Wijeratne, Peter Alexander Wildauer, Andreas Wildt, Martin Andre Wilhelm, Ivan Wilkens, Henric George Will, Jonas Zacharias 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Jaehoon Yu, Jie Yuan, Li Yurkewicz, Adam Zabinski, Bartlomiej Zaidan, Remi Zaitsev, Alexander Zajacova, Zuzana Zanello, Lucia Zaytsev, Alexander Zeitnitz, Christian Zeller, Michael Zeman, Martin Zemla, Andrzej Zendler, Carolin Zenin, Oleg Ženiš, Tibor Zinonos, Zinonas Zenz, Seth Zerwas, Dirk Zevi della Porta, Giovanni Zhan, Zhichao Zhang, Dongliang Zhang, Huaqiao Zhang, Jinlong Zhang, Xueyao Zhang, Zhiqing Zhao, Long Zhao, Tianchi Zhao, Zhengguo Zhemchugov, Alexey Zhong, Jiahang Zhou, Bing Zhou, Ning Zhou, Yue Zhu, Cheng Guang Zhu, Hongbo Zhu, Junjie Zhu, Yingchun Zhuang, Xuai Zhuravlov, Vadym Zieminska, Daria Zimmermann, Robert Zimmermann, Simone Zimmermann, Stephanie Ziolkowski, Michael Zitoun, Robert Živković, Lidija Zmouchko, Viatcheslav Zobernig, Georg Zoccoli, Antonio zur Nedden, Martin Zutshi, Vishnu Zwalinski, Lukasz Aad, Georges JHEP 10.1007/JHEP06(2012)039 039 06 Higgs physics supersymmetry particle and resonance production experimental results 2012 2012 The results of a search for charged Higgs bosons are presented. The analysis is based on 4.6/fb of proton-proton collision data at $\sqrt{s}$ = 7 TeV collected by the ATLAS experiment at the Large Hadron Collider, using top quark pair events with a tau lepton in the final state. The data are consistent with the expected background from Standard Model processes. Assuming that the branching ratio of the charged Higgs boson to a tau lepton and a neutrino is 100%, this leads to upper limits on the branching ratio of top quark decays to a b quark and a charged Higgs boson between 5% and 1% for charged Higgs boson masses ranging from 90 GeV to 160 GeV, respectively. In the context of the mh-max scenario of the MSSM, tan(beta) above 12-26, as well as between 1 and 2-6, can be excluded for charged Higgs boson masses between 90 GeV and 150 GeV. Flechl, M Hattrem Raddum, S Read, AL charged Higgs boson combination limit tau neutrino MSSM SUSY HIGGS 2012 2012 The experimental observation of charged Higgs bosons which are predicted by many models with an extended Higgs sector, would indicate physics beyond the Standard Model (SM). This note presents the details of the combination of the results from a search for charged Higgs bosons in 4.6 fb-1 of proton-proton collision data at sqrt{s}=7 TeV in three H+ -> taunu final states in tbar decays. The data agree with the SM expectation leading to a limit on the branching ratio BR(t -> bH+) of 0.01-0.05 for charged Higgs boson masses (m_H+) in the range 90 GeV<m_H+<160 GeV, assuming BR(H+ -> taunu)=1. In the context of the mh-max scenario of the MSSM, this excludes a region above eta = 13-26 in the mass range 90 GeV< m_H+< 150 GeV. Barak, L Ferrari, A Flechl, M Gross, E Groth-Jensen, J Hattrem Raddum, S Read, A charged boson ATLAS BSM MSSM lepton jets ttbar HIGGS 2012 2012 This note reports on the results of a search for charged Higgs bosons in the ATLAS experiment, based on 4.6 fb$^{-1}$ of proton-proton collision data at $\sqrt{s}=7$ TeV using the lepton+jets channel in $t\bar{t}$ decays with a leptonically decaying $\tau$ in the final state. The data agree with the Standard Model expectation. Assuming ${\cal B}(H^+ \rightarrow \tau\nu) = 1$, this leads to upper limits on the branching fraction ${\cal B}(t \rightarrow bH^{+})$ between 4% and 15% for charged Higgs boson masses ($m_{H^+}$) in the range $90\,\mbox{GeV} < m_{H^+} <160\,\mbox{GeV}$. In the context of the $m_h^{\text{max}}$ scenario of the MSSM, values of $\tan\beta$ larger than 27-44 are excluded for charged Higgs boson masses in the range $90\,\mbox{GeV} < m_{H^+} < 140\,\mbox{GeV}$. Behar, S Buszello, C Czodrowski, P Ferrari, A Flechl, M Hattrem Raddum, S Isaksson, C Madsen, A McCarn, A zur Nedden, M Neubauer, M Patel, N Pelikan, D Read, A Rozen, Y Saavedra, A charged boson tau lepton MSSM BSM ttbar HIGGS 2012 2012 This note reports on the results of a search for charged Higgs bosons in the ATLAS experiment, based on 4.6 fb$^{-1}$ of proton-proton collision data at $\sqrt{s}=7$ TeV, using $t\bar{t}$ decays with a hadronically decaying $\tau$ and one light lepton (electron or muon) in the final state. The data agree with the Standard Model expectation. Assuming ${\cal B}(H^+ \rightarrow \tau\nu) = 1$, this leads to upper limits on the branching fraction ${\cal B}(t \rightarrow bH^{+})$ between 3% and 7% for charged Higgs boson masses ($m_{H^+}$) in the range $90\,\mbox{GeV} < m_{H^+} <160\,\mbox{GeV}$. In the context of the $m_h^{\text{max}}$ scenario of the MSSM, values of $\tan\beta$ larger than 22-50 are excluded for charged Higgs boson masses in the range $90\,\mbox{GeV} < m_{H^+} < 150\,\mbox{GeV}$. Assamagan, P Bernius, C Casado, P Cavaliere, V Czodrowski, P Chakraborty, D Greenwood, D Ferrari, A Flechl, M Hattrem Raddum, S Kopp, A Mal, P McCarn, A Neubauer, M Patel, N Randle-Conde, A Read, A L Rocha de Lima, G Saavedra, A Schumacher, M Sekula, S charged Higgs boson tau jets MSSM ttbar BSM HIGGS 2012 2012 The experimental observation of charged Higgs bosons, H±, which are predicted by many models with an extended Higgs sector, would indicate physics beyond the Standard Model (SM). This note presents the results of a search for charged Higgs bosons in \LUMI of proton-proton collision data at √s = 7 TeV using the tau+jets channel in ttbar decays with a hadronically decaying tau lepton in the final state. The data agree with the SM expectation leading to a limit on the branching ratio BR(t -> b H+) of 0.01-0.06 for charged Higgs boson masses (m_{H+}) in the range 90 GeV < m_{H+} < 160 GeV, assuming BR(H+ -> tau nu)=1. In the context of the m_h-max scenario of the MSSM, this excludes a region above tan(beta) = 10-22 in the mass range 90 GeV < m_{H+} < 150 GeV. Straessner, Arno LHC ATLAS CMS Standard Model measurements SM Higgs MSSM Higgs Top Exotics TOP EWEAK QCD HIGGS SUSY EXOTICS 2012 2012 The Large Hadron Collider (LHC) and the two multi-purpose LHC Detectors, ATLAS and CMS, have been operated successfully at record centre-of-mass energies of 7-8 TeV. This talk presents the main physics results from proton-proton collisions based on a total luminosity of 2 x 5 fb^-1. Most recent results from Standard Model measurements, Standard Model and MSSM Higgs searches, as well as searches for supersymmetric and exotic particles are reported. Prospects for the ongoing and future data taking are presented. Rompotis, N Beyond SM SM4 MSSM NMSSM HIGGS 2012 2012 This presentation summarizes recent Beyond Standard Model (BSM) Higgs searches with 2011 LHC data collected by ATLAS and CMS experiments. The searches described here include MSSM Higgs, Higgs in SM with a 4th generation of fermions, fermiophobic Higgs, doubly charged Higgs, light scalar Higgs and Higgs decaying to long lived particles. Randle-Conde, AS Higgs tau charged Higgs MSSM Higgs HIGGS 2012 2012 Search for Higgs bosons decaying into tau leptons with ATLAS, including MSSM neutral Higgs boson, charged bosons, and SM Higgs boson. Lenzi, B Higgs Beyond Standard Model Fermiophobic MSSM HIGGS 2012 2012 The results of the searches for Higgs bosons beyond the Standard Model with the ATLAS detector, based on 2011 proton-proton collision data recorded at the Large Hadron Collider (LHC) at a centre-of-mass energy of 7 TeV are reported. No significant excess is observed and exclusion limits are set on the production of neutral Higgs bosons from a fermiophobic benchmark model and the minimal supersymmetric model (MSSM), as well as charged and doubly-charged Higgs bosons. Lenzi, B Higgs Beyond Standard Model Fermiophobic MSSM HIGGS 2012 2012 The results of the searches for Higgs bosons beyond the Standard Model with the ATLAS detector, based on 2011 proton-proton collision data recorded at the Large Hadron Collider (LHC) at a centre-of-mass energy of 7 TeV are reported. No significant excess is observed and exclusion limits are set on the production of neutral Higgs bosons from a fermiophobic benchmark model and the minimal supersymmetric model (MSSM), as well as charged and doubly-charged Higgs bosons. Prokofiev, K Higgs, Standard Model, Supersymmetry, MSSM, Fermiophobic, Higgs combination HIGGS 2012 2012 One of the primary goals of the ATLAS experiment at Large Hadron Collider is to investigate the mechanism of electroweak symmetry breaking by searching for the Higgs bosons. Presented in this contribution is the summary of the recent results concerning the Higgs searches in ATLAS. Both Standard Model and Supersymmetric hypotheses are investigated. Current combined exclusion limits produced by the ATLAS collaboration are discussed. Bristow, T Davey, W Dawe, N Dingfelder, J Glatzer, J Grimm, K Goussiou, A Keller, J Kortner, S Krosenberg, J Lai, S Mader, W Morgenstern, M Rompotis, N Rosendahl, P Schumacher, M Scutti, F Stern, S Strassner, A Thoma, S Trottier-McDonald, M Tsuno, S Vickey, T Wang, T Warsinsky, M v Radziewski, H Xella, S Zanzi, D Zinonos, Z HIGGS MSSM Tau-leptons HIGGS 2012 2012 The combination of the searches for a neutral Higgs boson in the decay channel H -&gt; tautau and H -&gt; mumu is presented based on proton-proton collisions at a centre-of-mass energy of 7 TeV. The data corresponds to an integrated luminosity of 4.7-4.8 fb−1 collected with the ATLAS experiment at the Large Hadron Collider. This paper discusses the technicalities of the combination of the four independent results obtained from each of the tau(lep)tau(lep), tau(lep)tau(had), tau(had)tau(had) and mumu final states. The result of the search is interpreted in the context of MSSM with limits in the tan beta vs mA. Also cross-section limits for the production of a neutral higgs boson via gluon-gluon fusion and in association with b-quarks are presented. No significant excess of events are observed over background expectations and exclusion limits are derived in the (CP-odd) Higgs mass range 90 GeV &lt; mH &lt; 500 GeV. Collaboration, A MSSM Higgs search tau-tau mu-mu HIGGS 2012 2012 A search for the neutral Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM) with the ATLAS detector at the Large Hadron Collider is reported. The analysis is based on a data sample of proton-proton collisions at a centre-of-mass energy of 7 TeV recorded in 2011 and corresponding to an integrated luminosity of 4.7 − 4.8 fb$^{−1}$. Higgs decays into muons and $\tau$ leptons are considered, and events are categorized according to the presence or absence of a b-quark in the final state. No statistically significant excess over the expected background is observed. Upper limits on the MSSM parameter $ \tan\beta$ and on the cross-section times branching ratio for both relevant production mechanisms are set as a function of the mass of the CP-odd or generic Higgs boson, respectively. Vickey, T Higgs MSSM NMSSM SM4 Beyond SM HIGGS 2012 2012 This presentation at "Origin of Mass 2012" summarizes recent Beyond Standard Model (BSM) Higgs searches with 2011 7 TeV LHC data collected by ATLAS. The searches described here include: MSSM Higgs, Higgs in SM with a 4th generation of fermions, fermiophobic Higgs, doubly charged Higgs, light scalar Higgs and Higgs decaying to long lived particles. Vickey, T Higgs SM4 BSM MSSM NMSSM Fermiophobic HIGGS 2012 2012 The latest ATLAS search results for Beyond the Standard Model Higgs bosons are shown. Results shown are all with the 2011 7 TeV dataset and include: SM4, Fermiophobic, MSSM, charged Higgs, NMSSM and Hidden Valley. Collaboration, A MSSM search tau-tau mu-mu HIGGS 2012 2012 A search for the neutral Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM) is performed. The analysis is based on a sample of proton-proton collisions at a centre-of-mass energy of $7\,\TeV$ recorded with the ATLAS detector at the Large Hadron Collider. The data were recorded in 2011 and corresponds to an integrated luminosity of \currentlumirange. Higgs boson decays into oppositely-charged muon or $\tau$ lepton pairs, for final states requiring either the presence or absence of $b$-jets are considered. As no statistically significant excess over the expected background is observed, exclusion limits at the \unit[95]{\%} confidence level are derived for the production cross section of a generic Higgs boson, $\phi$, as a function of the Higgs boson mass and for \Higgses{} production in the MSSM as a function of the parameters $m_A$ and $\tan\beta$ in the \mhmax{} scenario. Collaboration, A Higgs MSSM tau-tau mu-mu 2012 2012 A search for the neutral Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM) is reported. The analysis is based on a sample of proton-proton collisions at a centre-of-mass energy of 7 TeV recorded with the ATLAS detector at the Large Hadron Collider. The data were recorded in 2011 and correspond to an integrated luminosity of 4.7 − 4.8 $fb^{−1}$. Higgs boson decays into oppositely-charged muon or $\tau$ lepton pairs are considered for final states requiring either the presence or absence of $b$ jets. No statistically significant excess over the expected background is observed and exclusion limits at the 95% confidence level are derived for the production cross section of a generic Higgs boson, $\phi$, as a function of the Higgs boson mass and for h/A/H production in the MSSM as a function of the parameters $m_{A}$ and $\tan \beta$ in the m$_{max}^{h}$ scenario with $\mu > 0$. Thoma, S HIGGS SUSY 2012 2012 The Minimal Supersymmetric extension of the Standard Model (MSSM) predicts the existence of three neutral and two charged Higgs bosons. The search for the neutral MSSM Higgs bosons in the H-&gt; tau+ tau- and H-&gt; mu+ mu- decay modes has been performed using proton-proton collision data recently collected with the ATLAS detector at the Large Hadron Collider. The exclusion limits at the 95% confidence level are discussed as a function of the mA and tan beta parameters. Langrock, Stefanie The optimisation of the search for the neutral MSSM Higgs bosons in the decay channel $A/H/h \rightarrow \tau^+\tau^- \rightarrow \mu + \tau_{had} + \nu_\mu + 2 \nu_\tau$ with the ATLAS detector is presented. The ATLAS data of the data taking period in 2011 at $\sqrt{s} = 7$\,TeV with an overall integrated luminosity of $L_{\text{int}} = 4.7$\,$\text{fb}^{-1}$ is used. For the optimisation, multivariate methods such as Boosted Decision Trees and Likelihood Estimators were trained against two of the major backgrounds in this decay channel, the $W+$jets background and the QCD background. The training was carried out separately for both backgrounds using a potential signal at $m_A = 120$\,GeV and $\text{tan}\beta = 20$ within the $m_h^{\text{max}}$ benchmark scenario. The Boosted Decision Trees were found to give the best performance in both cases. An overall background rejection of $57.9$\,\% was achieved and the $\frac{s}{\sqrt{b}}$ significance for the given working point was improved by $8.1$\,\% to $4.36$. Straessner, Arno LHC ATLAS CMS Standard Model measurements SM Higgs boson MSSM Higgs bosons supersymmetry top quark exotic particle searches BPHYS TOP EWEAK QCD HIGGS SUSY EXOTICS 2012 2012 The Large Hadron Collider (LHC) and the two multi-purpose LHC Detectors, ATLAS and CMS, have been operated successfully at record centre-of-mass energies of 7-8 TeV. This article presents the main physics results from proton-proton collisions based on a total luminosity of 2 x 5 fb^-1. Most recent results from Standard Model measurements, Standard Model and MSSM Higgs searches, as well as searches for supersymmetric and exotic particles are reported. Prospects for the ongoing and future data taking are presented. Stern, S HIGGS 2012 2012 Two searches for BSM Higgs bosons decaying in two muons are presented. Neutral MSSM Higgs searches $h/A/h\rightarrow\mu\mu$ have been performed using 4.8 $fb^{-1}$ of 2011 data collected with the ATLAS detector at the LHC. Searches for the NMSSM decay $a_{1}\rightarrow\mu\mu$ have been performed on 39 $pb^{-1}$ of 2010 data. No excess of events compared to the Standard Model expectations is observed in both searches. Exclusion limits have been evaluated at the 95% confidence level. Higgs MSSM tau-tau mu-mu 2012 2012 A search for the neutral Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM) is reported. The analysis is based on a sample of proton-proton collisions at a centre-of-mass energy of 7 TeV recorded with the ATLAS detector at the Large Hadron Collider. The data were recorded in 2011 and correspond to an integrated luminosity of 4.7 − 4.8 $fb^{−1}$. Higgs boson decays into oppositely-charged muon or $\tau$ lepton pairs are considered for final states requiring either the presence or absence of $b$ jets. No statistically significant excess over the expected background is observed and exclusion limits at the 95% confidence level are derived for the production cross section of a generic Higgs boson, $\phi$, as a function of the Higgs boson mass and for h/A/H production in the MSSM as a function of the parameters $m_{A}$ and $\tan \beta$ in the m$_{max}^{h}$ scenario with $\mu > 0$. Rompotis, N MSSM NMSSM EXOTICS TAUS HIGGS 2012 2012 A review of Beyond Standard model Higgs searches at ATLAS using LHC pp collision at sqrt(s) = 7 TeV is presented. The searches discussed here include MSSM and NMSSM Higgs, fermiophobic Higgs, Higgs decaying to light pseudoscalar particles, doubly charged Higgs and Higgs decaying to long lived particles. v Radziewski, H Lai, S Schumacher, M Warsinsky, M higgs mssm neutral higgs HIGGS 2012 2012 A search for neutral MSSM Higgs bosons $A^0$, $H^0$, $h^0$ with the ATLAS detector at the LHC is presented. The analysis is based on proton-proton collisions at a center-of-mass energy of $7\TeV$, corresponding to an integrated luminosity of 4.66 fb$^{-1}$ and focuses on Higgs decays into two tau leptons, $A^0/H^0/h^0\to\tau^+\tau^-$, one tau lepton decays via $\tau \rightarrow \mu \nu_{\tau} \nu_{\mu}$ and the other decays via $\tau \rightarrow e \nu_{\tau} \nu_e$. In addition, the absence of identified $b$-jets is required, complementing the search for Higgs bosons produced in association with with $b$-jets ($b\bar{b}H$). Expected exclusion limits at 95\% CL are placed on the cross-section times branching ratio $\sigma \times BR(\phi \rightarrow \tau\tau)$. Limits are also presented in the $m_A$ vs. $\tan\beta$ plane of the $m_h^{max}$ scenario. Straessner, Arno LHC ATLAS CMS Standard Model measurements SM Higgs boson MSSM Higgs bosons supersymmetry top quark exotic particle searches BPHYS TOP EWEAK QCD HIGGS SUSY EXOTICS 2012 2012 The Large Hadron Collider (LHC) and the two multi-purpose LHC Detectors, ATLAS and CMS, have been operated successfully at record centre-of-mass energies of 7-8 TeV. This article presents the main physics results from proton-proton collisions based on a total luminosity of 2 x 5 fb^-1. Most recent results from Standard Model measurements, Standard Model and MSSM Higgs searches, as well as searches for supersymmetric and exotic particles are reported. Prospects for the ongoing and future data taking are presented. Grohs, J Philipp One of the main tasks of the ATLAS detector at the LHC accelerator ring in the vicinity of Geneva is the search for the cause of the gauge symmetry breaking of the electroweak force. The minimal super symmetric extension of the standard model of particles (MSSM) explains this symmetry breaking by the existence of Higgs fields, which manifests itself among other by three electrically neutral Higgs bosons. The present thesis deals with the search for these particles in the dimuon channel. This channel has compared to the decay into b-quarks or Tau-leptons a very small branching ratio, but it leaves a very clear signal in the detector and allows therefore, if the searched Higgs bosons exist, a precise measurement of their properties. The aim of this thesis is to optimize the cut selection by which the signal should be separated from the background. Therefore, the predictions of three Monte Carlo generators are compared with the ATLAS data for agreement. Based on the best available simulation of the background, the cut selection is optimized with regard to the determination of limits on the Higgs bosons cross section. Schwindt, T Higgs Tau HIGGS 2012 2012 A Higgs boson search in the H-&gt; tau^+ tau^- decay mode has been performed using recent data collected with the ATLAS detector at the Large Hadron Collider. The search for the Standard Model Higgs boson was performed in the mass range of 100-150 GeV. Upper limits on the cross-section times branching ratio are derived. The Minimal Supersymmetric extension of the Standard Model (MSSM) predicts the existence of three neutral and two charged Higgs bosons. The neutral Higgs bosons are searched through their decays into pairs of oppositely charged tau leptons. The exclusion limits at the 95% confidence level are discussed as a function of the mA and tan beta parameters. Chakraborty, D Higgs Charged Higgs Top SUSY MSSM 2HDM HIGGS 2012 2012 The ATLAS collaboration has performed a model-independent search for charged Higgs bosons in decays of pair-produced to pquarks using 4.6/fb of proton-proton collisions at sqrt(s) = 7 TeV. The charged Higgs are assumed to decay exclusively to a tau lepton and its associated neutrino. Three different final states are considered. In the absence of any significant excess of events over Standard Model expectations, 95% C.L. upper limits of 0.5 to 0.1 are placed on the branching fraction of the top quark decaying into a charged Higgs and a b quark, for charged Higgs boson masses of 90 GeV to 160 GeV, respectively. Randle-Conde, AS Higgs, MSSM, tau HIGGS 2012 2012 In these proceedings the status of the searches for Higgs bosons decaying with τ leptons in the final state using the ATLAS detector are presented. The analyses search for Higgs bosons using up to int Ldt = 4.6fb−1 of pp collision data at √s = 7TeV provided by the LHC. Zaidan, R LHC ATLAS tracking b-tagging charged Higgs boson MSSM The only particle of the Standard Model that has not yet been discovered is the Higgs boson, which explains the origin of the masses of elementary particles. In the Minimal Supersymmetric extention to the Standard Model (MSSM), the Higgs sector consists of five bosons, two of which are charged. The search for a charged Higgs boson in the gg ¯tbH+(H+ ! t¯b) channel, is the main topic of this analysis. We present an analysis that uses a likelihood function to resolve combinatorics while reconstructing the charged Higgs boson, and the b-tagging to suppress the t¯t+jets background. We also present the difficulties due to the combinatoric background reducing the discovery potential of this channel. The presence of 4 b quarks in the final state that we are looking at, makes the b-tagging an important tool for the analysis. Therefore, a part of this work is dedicated to the study of b-tagging. We present in the context of the preperation for the first data, several studies dedicated to the optimisation and the understanding of the b-taggingperformance. We also present the commissioning of a simple tagger (JetProb) to be used with first data analysis. Rompotis, N MSSM EXOTICS TAUS BSM HIGGS 2012 2012 A review of Beyond Standard model Higgs searches at ATLAS using LHC pp collision at sqrt(s) = 7 TeV is presented. The searches discussed here include MSSM Higgs, Higgs decaying to light pseudoscalar particles and Higgs decaying to long lived particles. Randle-Conde, AS Higgs, MSSM, tau HIGGS 2012 2012 In these proceedings the status of the searches for Higgs bosons decaying with τ leptons in the final state using the ATLAS detector are presented. The analyses search for Higgs bosons using up to int Ldt = 4.6fb−1 of pp collision data at √s = 7TeV provided by the LHC. Mitani, T HIGGS MSSM tau HIGGS 2012 2012 A search for neutral MSSM Higgs bosons (h/A/H) in the tau^+ tau^- decay mode has been performed using proton-proton collision data collected with the ATLAS detector at the Large Hadron Collider at a centre-of-mass energy of 7 TeV during 2011. The search was performed in the mass range of 90 - 500 GeV. Upper limits on the cross-section times branching ratio for both b-associated and gluon-fusion production modes are derived. Exclusion limits are also shown in the $m_A$-$ aneta$ plane for the mh-max benchmark scenario. Davey, W E non-SM Higgs boson search ATLAS CMS HIGGS 2012 2012 A review of searches for non-Standard Model Higgs bosons conducted at the Large Hadron Collider is presented. The searches use datasets corresponding to integrated luminosities of up to 5\ifb{} collected by the ATLAS and CMS experiments during 7\,TeV proton-proton collisions. Searches for neutral and charged MSSM Higgs bosons, the light CP-odd neutral Higgs boson of the NMSSM, fermiophobic Higgs bosons and doubly charged Higgs bosons are conducted. No evidence for these signals are observed. Czodrowski, P Charged Higgs tau ratio method MSSM 2HDM HIGGS 2012 2012 This talk shall summarize the search efforts of the ATLAS collaboration for the (light) charged Higgs bosons decaying into hadronically decaying tau leptons and with a special focus on the presentation the new results which were won by utilizing the an ratio method approach on the so called tau+lepton final state. These new results are then combined with the existing ones from the other final states yielding improved sensitivity. As no excess is observed, limits are set on the branching ratio of top quarks decaying to charged Higgs bosons. Davey, W E non-SM Higgs boson search ATLAS CMS HIGGS 2012 2012 A review of searches for non-Standard Model Higgs bosons conducted at the Large Hadron Collider is presented. The searches use datasets corresponding to integrated luminosities of up to 5\ifb{} collected by the ATLAS and CMS experiments during 7\,TeV proton-proton collisions. Searches for neutral and charged MSSM Higgs bosons, the light CP-odd neutral Higgs boson of the NMSSM, fermiophobic Higgs bosons and doubly charged Higgs bosons are conducted. No evidence for these signals are observed. Thoma, S MSSM HIGGS 2012 2012 The Minimal Supersymmetric extension of the Standard Model (MSSM) predicts the existence of three neutral and two charged Higgs bosons. The search for the neutral MSSM Higgs bosons in the tau+tau− and mu+mu− decay modes has been performed using proton-proton collision data recently collected with the ATLAS detector at the Large Hadron Collider. The exclusion limits at the 95% confidence level are discussed as a function of the mA and tanb parameters. Lai, S HIGGS 2012 2012 The Minimal Supersymmetric extension of the Standard Model (MSSM) predicts the existence of three neutral and two charged Higgs bosons. The search for the MSSM Higgs bosons is presented, based on the proton-proton collisions recorded in 2011 and 2012 by the ATLAS and CMS experiments at the LHC. The neutral Higgs bosons are searched through their decays into pairs of oppositely charged tau leptons or muons. The exclusion limits at the 95% confidence level are discussed in an model-independent way, as well as a function of the mA and tan beta parameters .The search for the charged Higgs bosons is based on their production through the decays of top quarks in the $t\bar{t}$ process, $t \to bH^+$. The Higgs bosons subsequently decay predominantly into a tau lepton and a neutrino. Upper limits are set on the branching fraction B(t to bH+), combining the final states with leptonic and hadronic tau decay modes. Stern, S MSSM NMSSM HIGGS 2012 2012 Two searches for Higgs bosons in theories beyond the Standard Model (BMS) with the ATLAS experiment at the LHC are presented. The search for the neutral MSSM Higgs bosons decaying directly to two muon, $h/A/H\rightarrow\mu^{+}\mu^{-}$, was performed using $pp$ collisions recorded with the ATLAS detector in 2011 at a centre-of-mass energy of $\sqrt{s}=7\,TeV$ and corresponding to an integrated luminosity of $4.8\,fb^{-1}$. The search for the light CP-odd Higgs boson of the NMSSM, $a_1\rightarrow\mu^{+}\mu^{-}$, was performed on a data set with integrated luminosity of $35\,pb^{-1}$, recorded in 2010 at $\sqrt{s}=7\,TeV$. In both searches, no significant excess of events was found in the data with respect to the Standard Model expectation. Exclusion limits at the $95\,\%$ confidence level were evaluated. Thoma, S MSSM HIGGS 2012 2012 The Minimal Supersymmetric extension of the Standard Model (MSSM) predicts the existence of three neutral and two charged Higgs bosons. The search for the neutral MSSM Higgs bosons in the tau+tau− and mu+mu− decay modes has been performed using proton-proton collision data recently collected with the ATLAS detector at the Large Hadron Collider. The exclusion limits at the 95% confidence level are discussed as a function of the mA and tanb parameters. Mitani, T Nucl. Phys. B, Proc. Suppl. 10.1016/j.nuclphysbps.2014.09.058 220-221 253-255 Higgs boson, MSSM, tau HIGGS 2014 2014 In this proceeding a search for neutral Minimal Supersymmetric Standard Model (MSSM) Higgs bosons in the h/A/H to $ \tau^{+} \tau^{-} $ decay mode is reported. The analysis search for MSSM Higgs bosons using up to$ \int L dt = 4.7 $ fb$^{-1}$ of $pp$ collision data at the Large Hadron Collider at $ \sqrt[]{s}=7$TeV during 2011. Upper limits on the cross-section times branching ratio for both $b$-associated and gluon-fusion production modes are derived in the mass range of 90 - 500 GeV. Exclusion limits are also shown in the $m_{A}$ and $ \tan{\beta}$ plane for the $m_{h}^{max}$ scenario with $ \mu > 0$. Czodrowski, P charged Higgs boson tau neutrino combined MSSM SUSY 2HDM HIGGS 2012 2012 Decays of top quarks in 4.6 fb$^{-1}$ of proton-proton collisions data at $\sqrt{s}=7$ TeV collected by the ATLAS experiment at the Large Hadron Collider at CERN were selected and analyzed to search for signatures of charged Higgs bosons with a hadronically decaying $\tau$ lepton in the final state. The data are consistent with the expected background from Standard Model processes. Assuming a branching ratio of the charged Higgs boson to a $\tau$ lepton and a neutrino of 100% and combining with the leptonically decaying $\tau$ analysis upper limits on the branching ratio of top quark decays to a $b$ quark and a charged Higgs boson between 5% and 1% for charged Higgs boson masses ranging from 90 GeV to 160 GeV, respectively are obtained. In the context of the $m_h^{\mathrm{max}}$ scenario of the MSSM, $\tan\beta$ above 12-26, as well as between 1 and 2-6, can be excluded for charged Higgs boson masses between 90 GeV and 150 GeV. KLUIT, P M Higgs MSSM HIGGS 2012 2012 A summary of the results - based on the 2011 and 2012 data - of the ATLAS experiment for Beyond the Standard Model Higgs searches will be presented. Salvatore, D exotics, long-lived, hidden valley EXOTICS 2013 2013 Many extensions of the Standard Model (SM) include neutral weakly-coupled particles that can be long-lived. These long-lived partcles occur in many models, included gauge-mediated extensions of the Minimal Supersymmetric Model (MSSM), MSSM with R-parity violation, inelastic dark matter and the Hidden Valley (HV) scenario. Results are presented on the first ATLAS searches at the LHC for possible rare Higgs boson decays to pair of neutral, long-lived hidden-sector particles that lead to final states containing fermion anti-fermion pairs or pairs of collimated jets. No excess of events above the expected background have been observed for 1.94$fb^{-1}$ of data collected in 2011 at a center of mass energy of 7 TeV. Limits are presented as a function of the proper lifetime of the long-lived neutral particle. Lai, Stan EPJ Web Conf. 10.1051/epjconf/20134909005 09005 49 Higgs, MSSM HIGGS 2013 2013 The Minimal Supersymmetric extension of the Standard Model (MSSM) predicts the existence of three neutral and two charged Higgs bosons. Searches for these MSSM Higgs bosons are presented, based on proton-proton collisions recorded in 2011 and 2012 by the ATLAS and CMS experiments at the LHC. The neutral Higgs bosons are searched through their decays into pairs of oppositely charged tau leptons. The exclusion limits at 95% confidence level are shown as a function of the $m_A$ and $\tan\beta$ parameters. The search for the charged Higgs bosons is based on their production through the decays of top quarks in the $t\bar{t}$ process, $t \to bH^+$. The Higgs bosons subsequently decay predominantly into a tau lepton and a neutrino. Upper limits are set on the branching fraction $B(t \to bH^+)$, combining the final states with leptonic and hadronic tau decay modes. Ferrari, A HIGGS 2013 2013 In several theories beyond the Standard Model, the Higgs sector consists of more than one complex scalar doublet. For instance, supersymmetric models such as the MSSM have five physical Higgs states, two charged and three neutral. In this paper, a review of the searches for new neutral and charged Higgs bosons at the Large Hadron Collider, with the ATLAS experiment, is presented. Kormoll, Kathrin A central aspect of modern particle physics is the search for the Higgs boson. First, the Higgs boson remains the only particle of the Standard Model not being proven experimentally. Secondly, its possible observation may improve our understanding of new physics. With the start of operation of the LHC at the European Organization for Nuclear Research (CERN), proton-proton collisions with a centre of mass energy being as high as ${\sqrt{s}=7}$ TeV and ${\sqrt{s}=8}$ TeV could be achieved.\\ This work measures the cross section of the process ${pp\to Z^{0}/\gamma^{*} \rightarrow \tau^{+}\tau^{-}}$ in the mixed leptonic final state with data of the ATLAS detector. The decay of the coherent sum of the photon, $\gamma^{*}$, and the $Z^{0}$ boson is an irreducible background for Higgs boson decays into two $\tau$-leptons. For the Higgs boson search a precise knowledge of its mass spectrum and its normalisation is essential. The data used are equal to an integrated luminosity of L = 35.51 pb$^{-1}$ with a centre of mass energy of ${\sqrt{s}=7}$ TeV. A cross section of ${\sigma^{\mathrm{tot.}}_{Z/\gamma^*} \times \mathrm{BR}(Z \rightarrow \tau\tau)=(1041 \pm 143 \pm 74 \pm 35)}$ pb is yielded, with its statistical and systematic uncertainties as well as uncertainties from luminosity determination. The result is compatible with the results from theoretical calculations and that from other experiments within their uncertainties.\\ The second part of this work examines mass reconstruction methods of decays into two $\tau$-leptons. The analysis concentrates on Higgs bosons, $\phi$, of the minimal supersymmetric extension of the Standard Model, the MSSM. In particular, the decay of Higgs bosons to two $\tau$-leptons and further into an electron, a muon and four neutrinos is examined, $\phi\to\tau^+\tau^-\to e\mu+4\nu$. The appropriate mass reconstruction techniques being investigated are the visible mass, the effective mass and the early and late projected transverse mass. Furthermore, a dependency of the mass distributions on the transverse momentum of the leptons and on the missing transverse energy is observed. However, a dependency on the transverse momentum of the highest $p_{T}$ jet was not found. The elimination of the variable dependencies leads to a worse separation power between the signal and background processes as well as a worse resolution between different Higgs boson masses. The work concludes with a calibration of the masses calculated with the analysed mass reconstruction techniques. Boehler, M BSM Higgs MSSM 2HDM HIGGS 2013 2013 Searches for Higgs bosons in different extensions of the Standard Model which predict additional neutral and charged Higgs bosons are presented, such as: The Minimal Supersymmetric extension of the Standard Model (MSSM), the next-to Minimal Supersymmetric extension of the Standard Model (nMSSM), two Higgs doublet models, four-generation and fermiophobic models. Results are based on data collected by the ATLAS and CMS experiments in proton-proton collisions at centre-of-mass energies of 7 TeV and 8 TeV. No excess is found in either charged nor neutral Higgs Boson searches. Model-independent and model-dependent exclusion limits are presented for these searches. Salvatore, D EPJ Web Conf. 10.1051/epjconf/20136017007 17007 60 long-lived, exotics, lepton-jets, hidden valley, beyond SM EXOTICS 2013 2013 Many extensions of the Standard Model (SM) include neutral weakly-coupled particles that can be long-lived. These long-lived particles occur in many models, included gauge-mediated extensions of the Minimal Supersymmetric Model (MSSM), MSSM with R-parity violation, inelastic dark matter and the Hidden Valley (HV) scenario. Results are presented on the ATLAS searches at the LHC for possible rare Higgs boson decays to pair of neutral, long-lived hidden-sector particles that lead to final states containing collimated lepton jets (LJ) or fermion anti-fermion pairs. No excess of events above the expected background has been observed on data collected in 2011 at a center of mass energy of 7 TeV and limits on the cross sections are set. Anders, Christoph Falk 2013 2013-04-12 A search for neutral MSSM Higgs bosons decaying into a $\tau$ lepton pair, $A/H/h \rightarrow\tau^+\tau^−$, is presented. The search is based on proton–proton collision events recorded with the ATLAS detector at the Large Hadron Collider at a center-of-mass energy $\sqrt{s} = 7$ TeV, corresponding to an integrated luminosity of 2.1 fb$^{−1}$. One of the tau leptons is reconstructed in a leptonic, the other in a hadronic final state. The contributions of the main background processes have been estimated using data driven methods. For the $Z/\gamma^* → \tau^+\tau^−$ background an embedding method has been used, that replaces the muons in reconstructed Z/gamma* → mu+mu− events with simulated tau leptons. The event yield of the W + jets background has been studied in a sideband control region and the simulation has been normalized to agree with the sideband data. The contribution from QCD multi-jet processes has been estimated from three data control regions. Systematic uncertainties due to these background estimates have been identified and studied as well as systematic uncertainties affecting the simulated signal and background event samples. The dominating systematic uncertainty has been found to be due to the uncertainty on the energy scales of jets and hadronically decaying tau leptons. In total 4065 data events have been selected and the number of expected events from Standard Model background processes has been estimated to be $4151\pm66\pm796$, where the first error is statistical and the second error is systematic. As no excess over the Standard Model expectation is found, exclusion limits at the 95% confidence level are set on the production cross section of a generic Higgs boson, in dependence of its mass and on the production of the neutral MSSM Higgs bosons $A/H/h$ as a function of the parameters $\tan\beta$ and $m_A$ in the $m_{h}^{\text{max}}$ scenario. These exclusion limits represent significant improvements over those obtained by similar searches of other experiments at LEP and the Tevatron. Flechl, Martin EPJ Web Conf. 10.1051/epjconf/20136002005 02005 60 BSM MSSM NMSSM Higgs ATLAS CMS HIGGS SUSY EXOTICS 2013 2013 Searches for Higgs bosons in different extensions of the Standard Model (SM) are presented. These include the Minimal Supersymmetric extension of the SM (MSSM), the next-to-MSSM (NMSSM), models with additional scalar singlets, doublets, or triplets, and generic searches for models with couplings modified with respect to the SM or for non-SM Higgs boson decay channels. Results are based on data collected by the ATLAS and CMS experiments in 2011 and 2012 at the LHC. No excess is found in any of the searches and thus the resulting exclusion limits are given. Czodrowski, Patrick 2013 2013-07-30 The discovery of a charged Higgs boson, $H^+$, would be an unambiguous evidence for physics beyond the Standard Model. In this thesis a search for the $H^+$, with the ATLAS experiment at the Large Hadron Collider, LHC, at CERN based on data taken in 2011, are described. A re-analysis of the charged Higgs boson search, utilising the ratio-method, was performed, which greatly enhanced the sensitivity compared to the traditional direct search approach. Light charged Higgs bosons, with a mass lower than the top quark mass, can be produced in top quark decays. Due to the large production cross-section of top quark pairs the light charged Higgs bosons are accessible with early LHC data, in contrast to charged Higgs bosons heavier than the top quark mass. For light charged Higgs bosons the decay via $H^\pm \to \tau^\pm \nu$ is predominant in most theories and scenarios, in the most parts of their phase space. Therefore the $\tau$ identification and the $\tau$ mis-identification probabilities play an important role in the charged Higgs boson search. A tag-and-probe selection of $Z\to ee$ events was developed in order to asses the mis-identification probability of electrons as hadronically decaying $\tau$ leptons, utilising the very first data taken in 2010. The results of this analysis on the one hand provided scale factors crucial for all analyses utilising the electron veto algorithms of the $\tau$ identification. On the other hand a data-driven estimation technique for backgrounds stemming from electrons mis-identified as hadronically decaying $\tau$ leptons, dedicated for the charged Higgs boson search, was developed and successfully implemented, based upon the results of the tag-and-probe mis-identification results. Trigger studies for the charged Higgs boson search aiming at the highest feasible signal efficiencies with the utilised combination of $\tau$ trigger and missing transverse energy trigger, during the 2012 data taking at a centre of mass energy of 8 TeV, were performed. Novel trigger items were designed, thoroughly tested and finally implemented into the trigger menu of the ATLAS experiment for data taking in 2012. A direct charged Higgs boson search in three channels with $\tau$ leptons in the final state, was performed on the full dataset, with an integrated luminosity of 4.6 fb$^{-1}$, taken in 2011 at a centre of mass energy of 7 TeV. No significant excess over the Standard Model expectation was observed in data, thus limits on ${\cal B}( t \to bH^+)$ were set. Finally the channel with a hadronically decaying $\tau$ lepton and an additional electron or muon in the final state from the $t\bar{t}$ decay was re-analysed with the so-called ratio-method. This method measures ratios of event yields instead of evaluating distributions of discriminating variables, thus most of the dominating systematic uncertainties intrinsically cancel to first order. The observed data are found to be in agreement with the Standard Model predictions. Utilising the ratio-method the limits obtained on ${\cal B}( t \to bH^+)$ were significantly improved, compared to the direct search in this channel. When the results of the ratio-method analysis are combined with the results of the direct search for charged Higgs bosons in $t\bar{t}$ decays, with a hadronically decaying $\tau$ lepton and jets in the final state, upper limits on ${\cal B}(t\to bH^+)$ are set in the range of 0.8 % $-$ 3.4 %, for $m_{H^+}$ between 90 GeV and 160 GeV. The limits set on ${\cal B}(t\to bH^+)$ have direct implications on the identity of the Higgs-like particle, with a mass of approximately 126 GeV discovered in 2012 at the LHC, if the Minimal Supersymmetric extension of the Standard Model (MSSM) is realised in nature. Stern, Sebastian Two studies of Higgs boson decays to two oppositely charged muons in the Standard Model and in its minimal supersymmetric extension with the ATLAS experiment at the Large Hadron Collider (LHC) at CERN are presented. The search for the decays of the neutral Higgs bosons, $h$, $A$ and $H$, of the Minimal Supersymmetric Extension of the Standard Model (MSSM) to $\mu^{+}\mu^{-}$ is performed in proton-proton collisions at a centre-of-mass energy of 7 TeV based on the data recorded in 2011 which correspond to an integrated luminosity of 4.8 fb$^{-1}$. The branching fraction for the $h/A/H\rightarrow\mu^{+}\mu^{-}$ decay is about 300 times smaller compared to the most sensitive $h/A/H\rightarrow\tau^{+}\tau^{-}$ decay channel. But due to the very high experimental $\mu^{+}\mu^{-}$ mass resolution, the signal appears as narrow resonances in the $\mu^{+}\mu^{-}$ invariant mass distribution on top of a continuous background. Motivated by the two Higgs boson production modes, via gluon fusion and in association with b quarks, the search is performed in two complementary event categories either without or with at least one reconstructed b jet in the selected $\mu^{+}\mu^{-}$ events. The two event categories have different signal-to-background ratios and their statistical combination improves the sensitivity of the search. Signal and background are parametrised by analytic functions. The total background contribution is estimated directly from the data. No significant excess of events above the Standard Model background is observed. Exclusion limits are derived for the MSSM $m_h^\text{max}$ benchmark scenario with positive Higgs mixing parameter as a function of the free parameters $m_A$ and $\tan\beta$. In addition, less model-dependent exclusion limits are set on the production cross section times branching fraction of a generic Higgs boson, $\phi$, produced in either gluon fusion or in association with b quarks as a function its mass, $m_\phi$. The second study evaluates the physics potential of the ATLAS experiment for the search for the rare decay of the Standard Model Higgs boson with a mass of 125 GeV to $\mu^{+}\mu^{-}$. The study uses Monte Carlo simulations of the proton-proton collisions at a centre-of-mass energy of 14 TeV with simplified description of the detector response. The sensitivity is evaluated for two benchmark scenarios with integrated luminosities of 300 fb$^{-1}$ and 3000 fb$^{-1}$ which are expected to be reached after two stages of luminosity upgrades of the LHC machine. The prospects are expressed in terms of expected exclusion limits and signal significances and contribute to the combined Higgs boson coupling measurement. With the proposed data set of 3000 fb$^{-1}$, decays of the Standard Model Higgs boson with mass of 125 GeV to $\mu^{+}\mu^{-}$ are expected to be discovered with a significance of more than 6 standard deviations. Higgs boson couplings to the second-generation leptons can be determined with an accuracy of about 25 % relative to the third-generation lepton couplings. Potter, C.T. 2013 2013 The present status of ATLAS searches for Higgs bosons in extensions of the Standard Model (SM) is presented. This includes searches for the Higgs bosons of the Two-Higgs-Doublet Model (2HDM), the Minimal Supersymmetric Model (MSSM), the Next-to-Minimal Supersymmetric Model (NMSSM) and models with an invisibly decaying Higgs boson. A review of the phenomenology of the Higgs sectors of these models is given together with the search strategy and the resulting experimental constraints. Higgs couplings BSM MSSM portal dark matter singlet EWEAK HIGGS SUSY EXOTICS 2013 2013 The ATLAS experiment at the LHC determines the couplings of the Higgs boson to other particles using the combination of measurements from multiple production and decay channels. The expected precision with which these couplings can be measured at a High-Luminosity LHC has been estimated elsewhere using parametrized acceptances, efficiencies, and resolutions to approximate the expected detector performance. Expected limits on an additional electroweak singlet, an additional electroweak doublet (two-Higgs-doublet model), and dark matter are derived here using the estimated precision on the coupling measurements with 300 and 3000 $\textrm{fb}^{-1}$ of $pp$ collision data at $\sqrt{s}=14$~TeV. The reach for new phenomena is significantly enhanced at a High-Luminosity LHC compared to the corresponding sensitivities at lower integrated luminosities. Farrell, Steven Two searches for supersymmetry in multilepton final states are presented using $pp$ collisions at $\sqrt{s} = 8~$TeV in the ATLAS detector. First, a search for electroweak production of charginos and neutralinos in the three-lepton plus missing transverse momentum channel is detailed with an emphasis on the fake-lepton background estimation technique. No significant excess above the Standard Model prediction is observed in the signal regions. Exclusion limits are thus placed on simplified models of $\tilde\chi^\pm_1\tilde\chi^0_2$ production and decays via intermediate sleptons, SM gauge bosons, and Higgs bosons. The results are also interpreted in terms of the phenomenological MSSM. Next, a search for $R$-parity violating and $R$-parity conserving supersymmetric scenarios in the four-lepton channel is presented. No significant excess is observed, so exclusion limits are placed on $R$-parity violating simplified models in which the lightest supersymmetric particle is the lightest neutralino, which promptly decays to leptons. Exclusion limits are also placed on $R$-parity conserving simplified models of $\tilde\chi^0_2\tilde\chi^0_3$ production. Morgenstern, Marcus Matthias The discovery of a heavy neutral particle would be a direct hint for new physics beyond the Standard Model. In this thesis searches for new heavy neutral particles decaying into two tau leptons, which further decay into hadrons, are presented. They cover neutral Higgs bosons in the context of the minimal supersymmetric extension of the Standard Model (MSSM) as well as $Z'$ bosons, predicted by various theories with an extended gauge sector. Both analyses are based on the full 2012 proton-proton collision dataset taken by the ATLAS experiment at the Large Hadron Collider (LHC). The extended Higgs sector in the MSSM suggests additional heavy neutral Higgs bosons which decay into tau leptons in about 10\% of the time. Given that the dominant final state, $\phi\to b\bar{b}$, suffers from tremendous QCD initiated backgrounds, the decay into two tau leptons is the most promising final state to discover such new resonances. The fully hadronic final state is the dominant one with a branching fraction of about 42\%. It governs the sensitivity, in particular at high transverse momentum when the QCD multijet background becomes small. Other theoretical extensions of the Standard Model, which are mainly driven by the concept of gauge unification, predict additional heavy particles arising from an extended underlying gauge group. Some of them further predict an enhanced coupling to fermions of the third generation. This motivates the search for $Z'$ bosons in the fully hadronic di-tau final state. One major challenge in physics analyses involving tau leptons is to have an outstanding performance of trigger and identification algorithms suitable to select real tau leptons with high efficiency, while rejecting fake taus originating from quark or gluon initiated jets. In this work a new tau trigger concept based on multivariate classifiers has been developed and became the default tau trigger algorithm in 2012 data-taking. An updated tau identification technique based on the log-likelihood approach has been provided for 2011 data-taking. Furthermore, a new framework has been developed to perform the tuning of the tau identification algorithm and exploited for the optimisation for 2012 data-taking, accordingly. The search for new heavy neutral Higgs bosons in the context of the MSSM has been performed exploiting the full 2012 dataset corresponding to an integrated luminosity of 19.5~fb$^{-1}$ taken at a centre-of-mass energy of $\sqrt{s} = $8~TeV. Updated event selection criteria and novel data-driven background estimation techniques have been developed and are suitable to increase the sensitivity of the analysis significantly. No deviations from the Standard Model prediction are observed, and thus 95\% C.L. exclusion limits on the production cross section times branching ratio, $\sigma(pp\to\phi)\times\text{BR}(\phi\to\tau\tau)$, are derived exploiting the $\mathrm{CL_{s}}$ method. The exclusion ranges from 13.0~pb at 150~GeV to 7.0~fb at 1~TeV for Higgs boson production in association with b-quarks and from 23.6~pb at 150~GeV to 7.5~fb at 1~TeV for Higgs bosons produced via gluon-gluon fusion. The obtained exclusion limit on $\sigma(pp\to\phi)\times\text{BR}(\phi\to\tau\tau)$ can be related to an exclusion of the MSSM parameter space in the $M_A$-$\tan\beta$-plane. Various benchmark scenario are considered. The "standard candle" is the $m_{\mathrm{h}}^\mathrm{max}$ scenario, for which $\tan\beta$ values between 13.3 and 55 can be excluded at 95\% C.L. in the considered mass range. Updated benchmark scenarios designed to incorporate the recently discovered SM-like Higgs boson were suggested and analysed as well. In the $m_{\mathrm{h}}^\mathrm{mod+}$ ($m_{\mathrm{h}}^\mathrm{mod-}$) scenario $\tan\beta$ values between 13.5 (13.3) and 55 (52) can be excluded. Finally, a search for heavy neutral resonances in the context of $Z'$ bosons was performed. As in the search for new Higgs bosons, no deviation from the Standard Model prediction is observed, and hence exclusion limits on the production cross section times branching ratio, $\sigma(pp\toZ')\times\text{BR}(Z'\to\tau\tau)$, and on the $Z'$ boson mass are derived exploiting the Bayesian approach. $Z'$ bosons with $M_{Z'} < $1.9~TeV can be excluded at 95\% credibility, and thus mark the strongest exclusion limit obtained in the di-tau final state by any collider experiment so far. Di Micco, B 11-14 Higgs, couplings, SUSY HIGGS 2014 2014 This paper describes the present status of the Higgs production measurements in all decay channels at LHC. The decay channels H to b bbar and H to tau tau have been recently analysed by the ATLAS experiments and combined for the first time with the di-boson channels: H to gamma gamma, H to WW and H to ZZ. Updated results on the measurement of the couplings of the Higgs bosons to fermions and bosons are shown and they are compared to the available CMS coupling results. Recent results from CMS, not included in the combination of all channels, on the H to tau tau, H to b bbar , H to WW and H to ZZ decays are also shown for comparison. The impact of the ATLAS coupling results on the simplified-MSSM model is shown. HIGGS MSSM SUSY EXOTICS 2014 2014 A search for the neutral Higgs bosons predicted by the Minimal Supersymmetric Standard Model (MSSM) is reported. The analysis is performed on data from proton-proton collisions at a centre-of-mass energy of 8TeV collected with the ATLAS detector at the Large Hadron Collider (LHC). The sample was collected in 2012 and corresponds to an integrated luminosity of 19.5-20.3 fb$^{−1}$ Higgs bosons decays into oppositely-charged $\tau$ lepton pairs are considered for final states. No significant excess over the expected background is observed and exclusion limits at the 95\% confidence level are derived for the production cross section of a scalar field as a function of its mass, and for h/H/A production in the MSSM as a function of the parameters $m_A$ and $\tan\beta$. Manfredini, Alessandro A search for the neutral Higgs bosons $A$, $h$, $H$ of the minimal supersymmetric extension of the Standard Model with the ATLAS detector at the LHC is presented based on proton-proton collisions data at a center-of-mass energy of 8 TeV corresponding to an integrated luminosity of 20 $fb^{-1}$. The search is performed for Higgs decays into $\tau$ lepton pairs and subsequet decay via $\tau^{+}\tau^{-}\rightarrow e \mu + 4 \nu$. The results are interpreted in the $m_h^{mod}$ benchmark scenario, no significant excess over the expected Standard Model background is observed. Dhaliwal, Saminder This thesis presents the first search for a neutral Minimal Supersymmetric Standard Model Higgs boson decaying to a pair of hadronic taus in proton-proton collisions with a center-of-mass energy of √s = 7 TeV. Results are presented for an integrated luminosity of 1.056 fb−1 using data from the ATLAS detector at the Large Hadron Collider. After signal selection, 245 events are observed. The number of events is consistent with the background estimate of 256 ± 26. An exclusion limit for the Higgs boson production is derived as a function of (cross-section)×(branching ratio). This limit is presented as a function of two parameters: mA and tanβ in the m_h^max scenario. A point in the (mA, tanβ) phase space is excluded if the signal hypothesis is rejected at the 95% confidence level. Aad, Georges Abbott, Brad Abdallah, Jalal Abdel Khalek, Samah Abdinov, Ovsat Aben, Rosemarie Abi, Babak Abolins, Maris AbouZeid, Ossama Abramowicz, Halina Abreu, Henso Abreu, Ricardo Abulaiti, Yiming Acharya, Bobby Samir Adamczyk, Leszek Adams, David Adelman, Jahred Adomeit, Stefanie Adye, Tim Agatonovic-Jovin, Tatjana Aguilar-Saavedra, Juan Antonio Agustoni, Marco Ahlen, Steven Ahmadov, Faig Aielli, Giulio Akerstedt, Henrik Åkesson, Torsten Paul Ake Akimoto, Ginga Akimov, Andrei Alberghi, Gian Luigi Albert, Justin Albrand, Solveig Alconada Verzini, Maria Josefina Aleksa, Martin Aleksandrov, Igor Alexa, Calin Alexander, Gideon Alexandre, Gauthier Alexopoulos, Theodoros Alhroob, Muhammad Alimonti, Gianluca Alio, Lion Alison, John Allbrooke, Benedict Allison, Lee John Allport, Phillip Aloisio, Alberto Alonso, Alejandro Alonso, Francisco Alpigiani, Cristiano Altheimer, Andrew David Alvarez Gonzalez, Barbara Alviggi, Mariagrazia Amako, Katsuya Amaral Coutinho, Yara Amelung, Christoph Amidei, Dante Amor Dos Santos, Susana Patricia Amorim, Antonio Amoroso, Simone Amram, Nir Amundsen, Glenn Anastopoulos, Christos Ancu, Lucian Stefan Andari, Nansi Andeen, Timothy Anders, Christoph Falk Anders, Gabriel Anderson, Kelby Andreazza, Attilio Andrei, George Victor Anduaga, Xabier Angelidakis, Stylianos Angelozzi, Ivan Anger, Philipp Angerami, Aaron Anghinolfi, Francis Anisenkov, Alexey Anjos, Nuno Annovi, Alberto Antonaki, Ariadni Antonelli, Mario Antonov, Alexey Antos, Jaroslav Anulli, Fabio Aoki, Masato Aperio Bella, Ludovica Apolle, Rudi Arabidze, Giorgi Aracena, Ignacio Arai, Yasuo Araque, Juan Pedro Arce, Ayana Arduh, Francisco Anuar Arguin, Jean-Francois Argyropoulos, Spyridon Arik, Metin Armbruster, Aaron James Arnaez, Olivier Arnal, Vanessa Arnold, Hannah Arratia, Miguel Arslan, Ozan Artamonov, Andrei Artoni, Giacomo Asai, Shoji Asbah, Nedaa Ashkenazi, Adi Åsman, Barbro Asquith, Lily Assamagan, Ketevi Astalos, Robert Atkinson, Markus Atlay, Naim Bora Auerbach, Benjamin Augsten, Kamil Aurousseau, Mathieu Avolio, Giuseppe Axen, Bradley Azuelos, Georges Azuma, Yuya Baak, Max Baas, Alessandra Bacci, Cesare Bachacou, Henri Bachas, Konstantinos Backes, Moritz Backhaus, Malte Backus Mayes, John Badescu, Elisabeta Bagiacchi, Paolo Bagnaia, Paolo Bai, Yu Bain, Travis Baines, John Baker, Oliver Keith Balek, Petr Balli, Fabrice Banas, Elzbieta Banerjee, Swagato Bannoura, Arwa A E Bansal, Vikas Bansil, Hardeep Singh Barak, Liron Baranov, Sergei Barberio, Elisabetta Luigia Barberis, Dario Barbero, Marlon Barillari, Teresa Barisonzi, Marcello Barklow, Timothy Barlow, Nick Barnes, Sarah Louise Barnett, Bruce Barnett, Michael Barnovska, Zuzana Baroncelli, Antonio Barone, Gaetano Barr, Alan Barreiro, Fernando Barreiro Guimarães da Costa, João Bartoldus, Rainer Barton, Adam Edward Bartos, Pavol Bartsch, Valeria Bassalat, Ahmed Basye, Austin Bates, Richard Batista, Santiago Juan Batley, Richard Battaglia, Marco Battistin, Michele Bauer, Florian Bawa, Harinder Singh Beattie, Michael David Beau, Tristan Beauchemin, Pierre-Hugues Beccherle, Roberto Bechtle, Philip Beck, Hans Peter Becker, Anne Kathrin Becker, Sebastian Beckingham, Matthew Becot, Cyril Beddall, Andrew Beddall, Ayda Bedikian, Sourpouhi Bednyakov, Vadim Bee, Christopher Beemster, Lars Beermann, Thomas Begel, Michael Behr, Katharina Belanger-Champagne, Camille Bell, Paul Bell, William Bella, Gideon Bellagamba, Lorenzo Bellerive, Alain Bellomo, Massimiliano Belotskiy, Konstantin Beltramello, Olga Benary, Odette Benchekroun, Driss Bendtz, Katarina Benekos, Nektarios Benhammou, Yan Benhar Noccioli, Eleonora Benitez Garcia, Jorge-Armando Benjamin, Douglas Bensinger, James Bentvelsen, Stan Berge, David Bergeaas Kuutmann, Elin Berger, Nicolas Berghaus, Frank Beringer, Jürg Bernard, Clare Bernat, Pauline Bernius, Catrin Bernlochner, Florian Urs Berry, Tracey Berta, Peter Bertella, Claudia Bertoli, Gabriele Bertolucci, Federico Bertsche, Carolyn Bertsche, David Besana, Maria Ilaria Besjes, Geert-Jan Bessidskaia, Olga Bessner, Martin Florian Besson, Nathalie Betancourt, Christopher Bethke, Siegfried Bhimji, Wahid Bianchi, Riccardo-Maria Bianchini, Louis Bianco, Michele Biebel, Otmar Bieniek, Stephen Paul Bierwagen, Katharina Biesiada, Jed Biglietti, Michela Bilbao De Mendizabal, Javier Bilokon, Halina Bindi, Marcello Binet, Sebastien Bingul, Ahmet Bini, Cesare Black, Curtis Black, James Black, Kevin Blackburn, Daniel Blair, Robert Blanchard, Jean-Baptiste Blazek, Tomas Bloch, Ingo Blocker, Craig Blum, Walter Blumenschein, Ulrike Bobbink, Gerjan Bobrovnikov, Victor Bocchetta, Simona Serena Bocci, Andrea Bock, Christopher Boddy, Christopher Richard Boehler, Michael Boek, Thorsten Tobias Bogaerts, Joannes Andreas Bogdanchikov, Alexander Bogouch, Andrei Bohm, Christian Bohm, Jan Boisvert, Veronique Bold, Tomasz Boldea, Venera Boldyrev, Alexey Bomben, Marco Bona, Marcella Boonekamp, Maarten Borisov, Anatoly Borissov, Guennadi Borri, Marcello Borroni, Sara Bortfeldt, Jonathan Bortolotto, Valerio Bos, Kors Boscherini, Davide Bosman, Martine Boterenbrood, Hendrik Boudreau, Joseph Bouffard, Julian Bouhova-Thacker, Evelina Vassileva Boumediene, Djamel Eddine Bourdarios, Claire Bousson, Nicolas Boutouil, Sara Boveia, Antonio Boyd, James Boyko, Igor Bozic, Ivan Bracinik, Juraj Brandt, Andrew Brandt, Gerhard Brandt, Oleg Bratzler, Uwe Brau, Benjamin Brau, James Braun, Helmut Brazzale, Simone Federico Brelier, Bertrand Brendlinger, Kurt Brennan, Amelia Jean Brenner, Richard Bressler, Shikma Bristow, Kieran Bristow, Timothy Michael Britton, Dave Brochu, Frederic Brock, Ian Brock, Raymond Bromberg, Carl Bronner, Johanna Brooijmans, Gustaaf Brooks, Timothy Brooks, William Brosamer, Jacquelyn Brost, Elizabeth Brown, Jonathan Bruckman de Renstrom, Pawel Bruncko, Dusan Bruneliere, Renaud Brunet, Sylvie Bruni, Alessia Bruni, Graziano Bruschi, Marco Bryngemark, Lene Buanes, Trygve Buat, Quentin Bucci, Francesca Buchholz, Peter Buckingham, Ryan Buckley, Andrew Buda, Stelian Ioan Budagov, Ioulian Buehrer, Felix Bugge, Lars Bugge, Magnar Kopangen Bulekov, Oleg Bundock, Aaron Colin Burckhart, Helfried Burdin, Sergey Burghgrave, Blake Burke, Stephen Burmeister, Ingo Busato, Emmanuel Büscher, Daniel Büscher, Volker Bussey, Peter Buszello, Claus-Peter Butler, Bart Butler, John Butt, Aatif Imtiaz Buttar, Craig Butterworth, Jonathan Butti, Pierfrancesco Buttinger, William Buzatu, Adrian Byszewski, Marcin Cabrera Urbán, Susana Caforio, Davide Cakir, Orhan Calafiura, Paolo Calandri, Alessandro Calderini, Giovanni Calfayan, Philippe Calkins, Robert Caloba, Luiz Calvet, David Calvet, Samuel Camacho Toro, Reina Camarda, Stefano Cameron, David Caminada, Lea Michaela Caminal Armadans, Roger Campana, Simone Campanelli, Mario Campoverde, Angel Canale, Vincenzo Canepa, Anadi Cano Bret, Marc Cantero, Josu Cantrill, Robert Cao, Tingting Capeans Garrido, Maria Del Mar Caprini, Irinel Caprini, Mihai Capua, Marcella Caputo, Regina Cardarelli, Roberto Carli, Tancredi Carlino, Gianpaolo Carminati, Leonardo Caron, Sascha Carquin, Edson Carrillo-Montoya, German D Carter, Janet Carvalho, João Casadei, Diego Casado, Maria Pilar Casolino, Mirkoantonio Castaneda-Miranda, Elizabeth Castelli, Angelantonio Castillo Gimenez, Victoria Castro, Nuno Filipe Catastini, Pierluigi Catinaccio, Andrea Catmore, James Cattai, Ariella Cattani, Giordano Caudron, Julien Cavaliere, Viviana Cavalli, Donatella Cavalli-Sforza, Matteo Cavasinni, Vincenzo Ceradini, Filippo Cerio, Benjamin Cerny, Karel Santiago Cerqueira, Augusto Cerri, Alessandro Cerrito, Lucio Cerutti, Fabio Cerv, Matevz Cervelli, Alberto Cetin, Serkant Ali Chafaq, Aziz Chakraborty, Dhiman Chalupkova, Ina Chang, Philip Chapleau, Bertrand Chapman, John Derek Charfeddine, Driss Charlton, Dave Chau, Chav Chhiv Chavez Barajas, Carlos Alberto Cheatham, Susan Chegwidden, Andrew Chekanov, Sergei Chekulaev, Sergey Chelkov, Gueorgui Chelstowska, Magda Anna Chen, Chunhui Chen, Hucheng Chen, Karen Chen, Liming Chen, Shenjian Chen, Xin Chen, Ye Chen, Yujiao Cheng, Hok Chuen Cheng, Yangyang Cheplakov, Alexander Cherkaoui El Moursli, Rajaa Chernyatin, Valeriy Cheu, Elliott Chevalier, Laurent Chiarella, Vitaliano Chiefari, Giovanni Childers, John Taylor Chilingarov, Alexandre Chiodini, Gabriele Chisholm, Andrew Chislett, Rebecca Thalatta Chitan, Adrian Chizhov, Mihail Chouridou, Sofia Chow, Bonnie Kar Bo Chromek-Burckhart, Doris Chu, Ming-Lee Chudoba, Jiri Chwastowski, Janusz Chytka, Ladislav Ciapetti, Guido Ciftci, Abbas Kenan Ciftci, Rena Cinca, Diane Cindro, Vladimir Ciocio, Alessandra Citron, Zvi Hirsh Citterio, Mauro Ciubancan, Mihai Clark, Allan G Clark, Philip James Clarke, Robert Cleland, Bill Clemens, Jean-Claude Clement, Christophe Coadou, Yann Cobal, Marina Coccaro, Andrea Cochran, James H Coffey, Laurel Cogan, Joshua Godfrey Cole, Brian Cole, Stephen Colijn, Auke-Pieter Collot, Johann Colombo, Tommaso Compostella, Gabriele Conde Muiño, Patricia Coniavitis, Elias Connell, Simon Henry Connelly, Ian Consonni, Sofia Maria Consorti, Valerio Constantinescu, Serban Conta, Claudio Conti, Geraldine Conventi, Francesco Cooke, Mark Cooper, Ben Cooper-Sarkar, Amanda Cooper-Smith, Neil Copic, Katherine Cornelissen, Thijs Corradi, Massimo Corriveau, Francois Corso-Radu, Alina Cortes-Gonzalez, Arely Cortiana, Giorgio Costa, Giuseppe Costa, María José Costanzo, Davide Côté, David Cottin, Giovanna Cowan, Glen Cox, Brian Cranmer, Kyle Cree, Graham Crépé-Renaudin, Sabine Crescioli, Francesco Cribbs, Wayne Allen Crispin Ortuzar, Mireia Cristinziani, Markus Croft, Vince Crosetti, Giovanni Cuciuc, Constantin-Mihai Cuhadar Donszelmann, Tulay Cummings, Jane Curatolo, Maria Cuthbert, Cameron Czirr, Hendrik Czodrowski, Patrick D'Auria, Saverio D'Onofrio, Monica Da Cunha Sargedas De Sousa, Mario Jose Da Via, Cinzia Dabrowski, Wladyslaw Dafinca, Alexandru Dai, Tiesheng Dale, Orjan Dallaire, Frederick Dallapiccola, Carlo Dam, Mogens Daniells, Andrew Christopher Dano Hoffmann, Maria Dao, Valerio Darbo, Giovanni Darmora, Smita Dassoulas, James Dattagupta, Aparajita Davey, Will David, Claire Davidek, Tomas Davies, Eleanor Davies, Merlin Davignon, Olivier Davison, Adam Davison, Peter Davygora, Yuriy Dawe, Edmund Dawson, Ian Daya-Ishmukhametova, Rozmin De, Kaushik de Asmundis, Riccardo De Castro, Stefano De Cecco, Sandro De Groot, Nicolo de Jong, Paul De la Torre, Hector De Lorenzi, Francesco De Nooij, Lucie De Pedis, Daniele De Salvo, Alessandro De Sanctis, Umberto De Santo, Antonella De Vivie De Regie, Jean-Baptiste Dearnaley, William James Debbe, Ramiro Debenedetti, Chiara Dechenaux, Benjamin Dedovich, Dmitri Deigaard, Ingrid Del Peso, Jose Del Prete, Tarcisio Deliot, Frederic Delitzsch, Chris Malena Deliyergiyev, Maksym Dell'Acqua, Andrea Dell'Asta, Lidia Dell'Orso, Mauro Della Pietra, Massimo della Volpe, Domenico Delmastro, Marco Delsart, Pierre-Antoine Deluca, Carolina DeMarco, David Demers, Sarah Demichev, Mikhail Demilly, Aurelien Denisov, Sergey Derendarz, Dominik Derkaoui, Jamal Eddine Derue, Frederic Dervan, Paul Desch, Klaus Kurt Deterre, Cecile Deviveiros, Pier-Olivier Dewhurst, Alastair Dhaliwal, Saminder Di Ciaccio, Anna Di Ciaccio, Lucia Di Domenico, Antonio Di Donato, Camilla Di Girolamo, Alessandro Di Girolamo, Beniamino Di Mattia, Alessandro Di Micco, Biagio Di Nardo, Roberto Di Simone, Andrea Di Sipio, Riccardo Di Valentino, David Dias, Flavia Diaz, Marco Aurelio Diehl, Edward Dietrich, Janet Dietzsch, Thorsten Diglio, Sara Dimitrievska, Aleksandra Dingfelder, Jochen Dita, Petre Dita, Sanda Dittus, Fridolin Djama, Fares Djobava, Tamar Djuvsland, Julia Isabell Barros do Vale, Maria Aline Do Valle Wemans, André Dobos, Daniel Doglioni, Caterina Doherty, Tom Dohmae, Takeshi Dolejsi, Jiri Dolezal, Zdenek Dolgoshein, Boris Donadelli, Marisilvia Donati, Simone Dondero, Paolo Donini, Julien Dopke, Jens Doria, Alessandra Dova, Maria-Teresa Doyle, Tony Dris, Manolis Dubbert, Jörg Dube, Sourabh Dubreuil, Emmanuelle Duchovni, Ehud Duckeck, Guenter Ducu, Otilia Anamaria Duda, Dominik Dudarev, Alexey Dudziak, Fanny Duflot, Laurent Duguid, Liam Dührssen, Michael Dunford, Monica Duran Yildiz, Hatice Düren, Michael Durglishvili, Archil Dwuznik, Michal Dyndal, Mateusz Ebke, Johannes Edson, William Edwards, Nicholas Charles Ehrenfeld, Wolfgang Eifert, Till Eigen, Gerald Einsweiler, Kevin Ekelof, Tord El Kacimi, Mohamed Ellert, Mattias Elles, Sabine Ellinghaus, Frank Ellis, Nicolas Elmsheuser, Johannes Elsing, Markus Emeliyanov, Dmitry Enari, Yuji Endner, Oliver Chris Endo, Masaki Engelmann, Roderich Erdmann, Johannes Ereditato, Antonio Eriksson, Daniel Ernis, Gunar Ernst, Jesse Ernst, Michael Ernwein, Jean Errede, Deborah Errede, Steven Ertel, Eugen Escalier, Marc Esch, Hendrik Escobar, Carlos Esposito, Bellisario Etienvre, Anne-Isabelle Etzion, Erez Evans, Hal Ezhilov, Alexey Fabbri, Laura Facini, Gabriel Fakhrutdinov, Rinat Falciano, Speranza Falla, Rebecca Jane Faltova, Jana Fang, Yaquan Fanti, Marcello Farbin, Amir Farilla, Addolorata Farooque, Trisha Farrell, Steven Farrington, Sinead Farthouat, Philippe Fassi, Farida Fassnacht, Patrick Fassouliotis, Dimitrios Favareto, Andrea Fayard, Louis Federic, Pavol Fedin, Oleg Fedorko, Wojciech Fehling-Kaschek, Mirjam Feigl, Simon Feligioni, Lorenzo Feng, Cunfeng Feng, Eric Feng, Haolu Fenyuk, Alexander Fernandez Perez, Sonia Ferrag, Samir Ferrando, James Ferrari, Arnaud Ferrari, Pamela Ferrari, Roberto Ferreira de Lima, Danilo Enoque Ferrer, Antonio Ferrere, Didier Ferretti, Claudio Ferretto Parodi, Andrea Fiascaris, Maria Fiedler, Frank Filipčič, Andrej Filipuzzi, Marco Filthaut, Frank Fincke-Keeler, Margret Finelli, Kevin Daniel Fiolhais, Miguel Fiorini, Luca Firan, Ana Fischer, Adam Fischer, Julia Fisher, Wade Cameron Fitzgerald, Eric Andrew Flechl, Martin Fleck, Ivor Fleischmann, Philipp Fleischmann, Sebastian Fletcher, Gareth Thomas Fletcher, Gregory Flick, Tobias Floderus, Anders Flores Castillo, Luis Florez Bustos, Andres Carlos Flowerdew, Michael Formica, Andrea Forti, Alessandra Fortin, Dominique Fournier, Daniel Fox, Harald Fracchia, Silvia Francavilla, Paolo Franchini, Matteo Franchino, Silvia Francis, David Franconi, Laura Franklin, Melissa Franz, Sebastien Fraternali, Marco French, Sky Friedrich, Conrad Friedrich, Felix Froidevaux, Daniel Frost, James Fukunaga, Chikara Fullana Torregrosa, Esteban Fulsom, Bryan Gregory Fuster, Juan Gabaldon, Carolina Gabizon, Ofir Gabrielli, Alessandro Gabrielli, Andrea Gadatsch, Stefan Gadomski, Szymon Gagliardi, Guido Gagnon, Pauline Galea, Cristina Galhardo, Bruno Gallas, Elizabeth Gallo, Valentina Santina Gallop, Bruce Gallus, Petr Galster, Gorm Aske Gram Krohn Gan, KK Gao, Jun Gao, Yongsheng Garay Walls, Francisca Garberson, Ford García, Carmen García Navarro, José Enrique Garcia-Sciveres, Maurice Gardner, Robert Garelli, Nicoletta Garonne, Vincent Gatti, Claudio Gaudio, Gabriella Gaur, Bakul Gauthier, Lea Gauzzi, Paolo Gavrilenko, Igor Gay, Colin Gaycken, Goetz Gazis, Evangelos Ge, 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Jung, Christian Jungst, Ralph Markus Jussel, Patrick Juste Rozas, Aurelio Kaci, Mohammed Kaczmarska, Anna Kado, Marumi Kagan, Harris Kagan, Michael Kajomovitz, Enrique Kalderon, Charles William Kama, Sami Kamenshchikov, Andrey Kanaya, Naoko Kaneda, Michiru Kaneti, Steven Kantserov, Vadim Kanzaki, Junichi Kaplan, Benjamin Kapliy, Anton Kar, Deepak Karakostas, Konstantinos Karastathis, Nikolaos Kareem, Mohammad Jawad Karnevskiy, Mikhail Karpov, Sergey Karpova, Zoya Karthik, Krishnaiyengar Kartvelishvili, Vakhtang Karyukhin, Andrey Kashif, Lashkar Kasieczka, Gregor Kass, Richard Kastanas, Alex Kataoka, Yousuke Katre, Akshay Katzy, Judith Kaushik, Venkatesh Kawagoe, Kiyotomo Kawamoto, Tatsuo Kawamura, Gen Kazama, Shingo Kazanin, Vassili Kazarinov, Makhail Keeler, Richard Kehoe, Robert Keil, Markus Keller, John Kempster, Jacob Julian Keoshkerian, Houry Kepka, Oldrich Kerševan, Borut Paul Kersten, Susanne Kessoku, Kohei Keung, Justin Khalil-zada, Farkhad Khandanyan, Hovhannes Khanov, Alexander Khodinov, Alexander Khomich, Andrei Khoo, Teng Jian Khoriauli, Gia Khoroshilov, Andrey Khovanskiy, Valery Khramov, Evgeniy Khubua, Jemal Kim, Hee Yeun Kim, Hyeon Jin Kim, Shinhong Kimura, Naoki Kind, Oliver King, Barry King, Matthew King, Robert Steven Beaufoy King, Samuel Burton Kirk, Julie Kiryunin, Andrey Kishimoto, Tomoe Kisielewska, Danuta Kiss, Florian Kiuchi, Kenji Kladiva, Eduard Klein, Max Klein, Uta Kleinknecht, Konrad Klimek, Pawel Klimentov, Alexei Klingenberg, Reiner Klinger, Joel Alexander Klioutchnikova, Tatiana Klok, Peter Kluge, Eike-Erik Kluit, Peter Kluth, Stefan Kneringer, Emmerich Knoops, Edith Knue, Andrea Kobayashi, Dai Kobayashi, Tomio Kobel, Michael Kocian, Martin Kodys, Peter Koffas, Thomas Koffeman, Els Kogan, Lucy Anne Kohlmann, Simon Kohout, Zdenek Kohriki, Takashi Koi, Tatsumi Kolanoski, Hermann Koletsou, Iro Koll, James Komar, Aston Komori, Yuto Kondo, Takahiko Kondrashova, Nataliia Köneke, Karsten König, Adriaan König, Sebastian Kono, Takanori Konoplich, Rostislav Konstantinidis, Nikolaos Kopeliansky, Revital Koperny, Stefan Köpke, Lutz Kopp, Anna Katharina Korcyl, Krzysztof Kordas, Kostantinos Korn, Andreas Korol, Aleksandr Korolkov, Ilya Korolkova, Elena Korotkov, Vladislav Kortner, Oliver Kortner, Sandra Kostyukhin, Vadim Kotov, Vladislav Kotwal, Ashutosh Kourkoumelis, Christine Kouskoura, Vasiliki Koutsman, Alex Kowalewski, Robert Victor Kowalski, Tadeusz Kozanecki, Witold Kozhin, Anatoly Kramarenko, Viktor Kramberger, Gregor Krasnopevtsev, Dimitriy Krasny, Mieczyslaw Witold Krasznahorkay, Attila Kraus, Jana Kravchenko, Anton Kreiss, Sven Kretz, Moritz Kretzschmar, Jan Kreutzfeldt, Kristof Krieger, Peter Kroeninger, Kevin Kroha, Hubert Kroll, Joe Kroseberg, Juergen Krstic, Jelena Kruchonak, Uladzimir Krüger, Hans Kruker, Tobias Krumnack, Nils Krumshteyn, Zinovii Kruse, Amanda Kruse, Mark Kruskal, Michael Kubota, Takashi Kucuk, Hilal Kuday, Sinan Kuehn, Susanne Kugel, Andreas Kuhl, Andrew Kuhl, Thorsten Kukhtin, Victor Kulchitsky, Yuri Kuleshov, Sergey Kuna, Marine Kunkle, Joshua Kupco, Alexander Kurashige, Hisaya Kurochkin, Yurii Kurumida, Rie Kus, Vlastimil Kuwertz, Emma Sian Kuze, Masahiro Kvita, Jiri La Rosa, Alessandro La Rotonda, Laura Lacasta, Carlos Lacava, Francesco Lacey, James Lacker, Heiko Lacour, Didier Lacuesta, Vicente Ramón Ladygin, Evgueni Lafaye, Remi Laforge, Bertrand Lagouri, Theodota Lai, Stanley Laier, Heiko Lambourne, Luke Lammers, Sabine Lampen, Caleb Lampl, Walter Lançon, Eric Landgraf, Ulrich Landon, Murrough Lang, Valerie Susanne Lankford, Andrew Lanni, Francesco Lantzsch, Kerstin Laplace, Sandrine Lapoire, Cecile Laporte, Jean-Francois Lari, Tommaso Lasagni Manghi, Federico Lassnig, Mario Laurelli, Paolo Lavrijsen, Wim Law, Alexander Laycock, Paul Le Dortz, Olivier Le Guirriec, Emmanuel Le Menedeu, Eve LeCompte, Thomas Ledroit-Guillon, Fabienne Agnes Marie Lee, Claire Alexandra Lee, Hurng-Chun Lee, Jason Lee, Shih-Chang Lee, Lawrence Lefebvre, Guillaume Lefebvre, Michel Legger, Federica Leggett, Charles Lehan, Allan Lehmann Miotto, Giovanna Lei, Xiaowen Leight, William Axel Leisos, Antonios Leister, Andrew Gerard Leite, Marco Aurelio Lisboa Leitner, Rupert Lellouch, Daniel Lemmer, Boris Leney, Katharine Lenz, Tatjana Lenzen, Georg Lenzi, Bruno Leone, Robert Leone, Sandra Leonidopoulos, Christos Leontsinis, Stefanos Leroy, Claude Lester, Christopher Lester, Christopher Michael Levchenko, Mikhail Levêque, Jessica Levin, Daniel Levinson, Lorne Levy, Mark Lewis, Adrian Lewis, George Leyko, Agnieszka Leyton, Michael Li, Bing Li, Bo Li, Haifeng Li, Ho Ling Li, Lei Li, Liang Li, Shu Li, Yichen Liang, Zhijun Liao, Hongbo Liberti, Barbara Lichard, Peter Lie, Ki Liebal, Jessica Liebig, Wolfgang Limbach, Christian Limosani, Antonio Lin, Simon Lin, Tai-Hua Linde, Frank Lindquist, Brian Edward Linnemann, James Lipeles, Elliot Lipniacka, Anna Lisovyi, Mykhailo Liss, Tony Lissauer, David Lister, Alison Litke, Alan Liu, Bo Liu, Dong Liu, Jianbei Liu, Kun Liu, Lulu Liu, Miaoyuan Liu, Minghui Liu, Yanwen Livan, Michele Lleres, Annick Llorente Merino, Javier Lloyd, Stephen Lo Sterzo, Francesco Lobodzinska, Ewelina Loch, Peter Lockman, William Loebinger, Fred Loevschall-Jensen, Ask Emil Loginov, Andrey Lohse, Thomas Lohwasser, Kristin Lokajicek, Milos Lombardo, Vincenzo Paolo Long, Brian Alexander Long, Jonathan Long, Robin Eamonn Lopes, Lourenco Lopez Mateos, David Lopez Paredes, Brais Lopez Paz, Ivan Lorenz, Jeanette Lorenzo Martinez, Narei Losada, Marta Loscutoff, Peter Lou, XinChou Lounis, Abdenour Love, Jeremy Love, Peter Lowe, Andrew Lu, Feng Lu, Nan Lubatti, Henry Luci, Claudio Lucotte, Arnaud Luehring, Frederick Lukas, Wolfgang Luminari, Lamberto Lundberg, Olof Lund-Jensen, Bengt Lungwitz, Matthias Lynn, David Lysak, Roman Lytken, Else Ma, Hong Ma, Lian Liang Maccarrone, Giovanni Macchiolo, Anna Machado Miguens, Joana Macina, Daniela Madaffari, Daniele Madar, Romain Maddocks, Harvey Jonathan Mader, Wolfgang Madsen, Alexander Maeno, Mayuko Maeno, Tadashi Maevskiy, Artem Magradze, Erekle Mahboubi, Kambiz Mahlstedt, Joern Mahmoud, Sara Maiani, Camilla Maidantchik, Carmen Maier, Andreas Alexander Maio, Amélia Majewski, Stephanie Makida, Yasuhiro Makovec, Nikola Mal, Prolay Malaescu, Bogdan Malecki, Pawel Maleev, Victor Malek, Fairouz Mallik, Usha Malon, David Malone, Caitlin Maltezos, Stavros Malyshev, Vladimir Malyukov, Sergei Mamuzic, Judita Mandelli, Beatrice Mandelli, Luciano Mandić, Igor Mandrysch, Rocco Maneira, José Manfredini, Alessandro Manhaes de Andrade Filho, Luciano Manjarres Ramos, Joany Andreina Mann, Alexander Manning, Peter Manousakis-Katsikakis, Arkadios Mansoulie, Bruno Mantifel, Rodger Mapelli, Livio March, Luis Marchand, Jean-Francois Marchiori, Giovanni Marcisovsky, Michal Marino, Christopher Marjanovic, Marija Marques, Carlos Marroquim, Fernando Marsden, Stephen Philip Marshall, Zach Marti, Lukas Fritz Marti-Garcia, Salvador Martin, Brian Martin, Brian Thomas Martin, Tim Martin, Victoria Jane Martin dit Latour, Bertrand Martinez, Homero Martinez, Mario Martin-Haugh, Stewart Martyniuk, Alex Marx, Marilyn Marzano, Francesco Marzin, Antoine Masetti, Lucia Mashimo, Tetsuro Mashinistov, Ruslan Masik, Jiri Maslennikov, Alexey Massa, Ignazio Massa, Lorenzo Massol, Nicolas Mastrandrea, Paolo Mastroberardino, Anna Masubuchi, Tatsuya Mättig, Peter Mattmann, Johannes Maurer, Julien Maxfield, Stephen Maximov, Dmitriy Mazini, Rachid Mazzaferro, Luca Mc Goldrick, Garrin Mc Kee, Shawn Patrick McCarn, Allison McCarthy, Robert McCarthy, Tom McCubbin, Norman McFarlane, Kenneth Mcfayden, Josh Mchedlidze, Gvantsa McMahon, Steve McPherson, Robert Mechnich, Joerg Medinnis, Michael Meehan, Samuel Mehlhase, Sascha Mehta, Andrew Meier, Karlheinz Meineck, Christian Meirose, Bernhard Melachrinos, Constantinos Mellado Garcia, Bruce Rafael Meloni, Federico Mengarelli, Alberto Menke, Sven Meoni, Evelin Mercurio, Kevin Michael Mergelmeyer, Sebastian Meric, Nicolas Mermod, Philippe Merola, Leonardo Meroni, Chiara Merritt, Frank Merritt, Hayes Messina, Andrea Metcalfe, Jessica Mete, Alaettin Serhan Meyer, Carsten Meyer, Christopher Meyer, Jean-Pierre Meyer, Jochen Middleton, Robin Migas, Sylwia Mijović, Liza Mikenberg, Giora Mikestikova, Marcela Mikuž, Marko Milic, Adriana Miller, David Mills, Corrinne Milov, Alexander Milstead, David Milstein, Dmitry Minaenko, Andrey Minami, Yuto Minashvili, Irakli Mincer, Allen Mindur, Bartosz Mineev, Mikhail Ming, Yao Mir, Lluisa-Maria Mirabelli, Giovanni Mitani, Takashi Mitrevski, Jovan Mitsou, Vasiliki A Miucci, Antonio Miyagawa, Paul Mjörnmark, Jan-Ulf Moa, Torbjoern Mochizuki, Kazuya Mohapatra, Soumya Mohr, Wolfgang Molander, Simon Moles-Valls, Regina Mönig, Klaus Monini, Caterina Monk, James Monnier, Emmanuel Montejo Berlingen, Javier Monticelli, Fernando Monzani, Simone Moore, Roger Morange, Nicolas Moreno, Deywis Moreno Llácer, María Morettini, Paolo Morgenstern, Marcus Morii, Masahiro Morisbak, Vanja Moritz, Sebastian Morley, Anthony Keith Mornacchi, Giuseppe Morris, John Morvaj, Ljiljana Moser, Hans-Guenther Mosidze, Maia Moss, Josh Motohashi, Kazuki Mount, Richard Mountricha, Eleni Mouraviev, Sergei Moyse, Edward Muanza, Steve Mudd, Richard Mueller, Felix Mueller, James Mueller, Klemens Mueller, Thibaut Mueller, Timo Muenstermann, Daniel Munwes, Yonathan Murillo Quijada, Javier Alberto Murray, Bill Musheghyan, Haykuhi Musto, Elisa Myagkov, Alexey Myska, Miroslav Nackenhorst, Olaf Nadal, Jordi Nagai, Koichi Nagai, Ryo Nagai, Yoshikazu Nagano, Kunihiro Nagarkar, Advait Nagasaka, Yasushi Nagata, Kazuki Nagel, Martin Nairz, Armin Michael Nakahama, Yu Nakamura, Koji Nakamura, Tomoaki Nakano, Itsuo Namasivayam, Harisankar Nanava, Gizo Naranjo Garcia, Roger Felipe Narayan, Rohin Nattermann, Till Naumann, Thomas Navarro, Gabriela Nayyar, Ruchika Neal, Homer Nechaeva, Polina Neep, Thomas James Nef, Pascal Daniel Negri, Andrea Negri, Guido Negrini, Matteo Nektarijevic, Snezana Nellist, Clara Nelson, Andrew Nelson, Timothy Knight Nemecek, Stanislav Nemethy, Peter Nepomuceno, Andre Asevedo Nessi, Marzio Neubauer, Mark Neumann, Manuel Neves, Ricardo Nevski, Pavel Newman, Paul Nguyen, Duong Hai Nickerson, Richard Nicolaidou, Rosy Nicquevert, Bertrand Nielsen, Jason Nikiforou, Nikiforos Nikiforov, Andriy Nikolaenko, Vladimir Nikolic-Audit, Irena Nikolics, Katalin Nikolopoulos, Konstantinos Nilsson, Paul Ninomiya, Yoichi Nisati, Aleandro Nisius, Richard Nobe, Takuya Nodulman, Lawrence Nomachi, Masaharu Nomidis, Ioannis Norberg, Scarlet Nordberg, Markus Novgorodova, Olga Nowak, Sebastian Nozaki, Mitsuaki Nozka, Libor Ntekas, Konstantinos Nunes Hanninger, Guilherme Nunnemann, Thomas Nurse, Emily Nuti, Francesco O'Brien, Brendan Joseph O'grady, Fionnbarr O'Neil, Dugan O'Shea, Val Oakham, Gerald Oberlack, Horst Obermann, Theresa Ocariz, Jose Ochi, Atsuhiko Ochoa, Ines Oda, Susumu Odaka, Shigeru Ogren, Harold Oh, Alexander Oh, Seog Ohm, Christian Ohman, Henrik Oide, Hideyuki Okamura, Wataru Okawa, Hideki Okumura, Yasuyuki Okuyama, Toyonobu Olariu, Albert Olchevski, Alexander Olivares Pino, Sebastian Andres Oliveira Damazio, Denis Oliver Garcia, Elena Olszewski, Andrzej Olszowska, Jolanta Onofre, António Onyisi, Peter Oram, Christopher Oreglia, Mark Oren, Yona Orestano, Domizia Orlando, Nicola Oropeza Barrera, Cristina Orr, Robert Osculati, Bianca Ospanov, Rustem Otero y Garzon, Gustavo Otono, Hidetoshi Ouchrif, Mohamed Ouellette, Eric Ould-Saada, Farid Ouraou, Ahmimed Oussoren, Koen Pieter Ouyang, Qun Ovcharova, Ana Owen, Mark Ozcan, Veysi Erkcan Ozturk, Nurcan Pachal, Katherine Pacheco Pages, Andres Padilla Aranda, Cristobal Pagáčová, Martina Pagan Griso, Simone Paganis, Efstathios Pahl, Christoph Paige, Frank Pais, Preema Pajchel, Katarina Palacino, Gabriel Palestini, Sandro Palka, Marek Pallin, Dominique Palma, Alberto Palmer, Jody Pan, Yibin Panagiotopoulou, Evgenia Panduro Vazquez, William Pani, Priscilla Panikashvili, Natalia Panitkin, Sergey Pantea, Dan Paolozzi, Lorenzo Papadopoulou, Theodora Papageorgiou, Konstantinos Paramonov, Alexander Paredes Hernandez, Daniela Parker, Michael Andrew Parodi, Fabrizio Parsons, John Parzefall, Ulrich Pasqualucci, Enrico Passaggio, Stefano Passeri, Antonio Pastore, Fernanda Pastore, Francesca Pásztor, Gabriella Pataraia, Sophio Patel, Nikhul Pater, Joleen Patricelli, Sergio Pauly, Thilo Pearce, James Pedersen, Lars Egholm Pedersen, Maiken Pedraza Lopez, Sebastian Pedro, Rute Peleganchuk, Sergey Pelikan, Daniel Peng, Haiping Penning, Bjoern Penwell, John Perepelitsa, Dennis Perez Codina, Estel Pérez García-Estañ, María Teresa Perini, Laura Pernegger, Heinz Perrella, Sabrina Perrino, Roberto Peschke, Richard Peshekhonov, Vladimir Peters, Krisztian Peters, Yvonne Petersen, Brian Petersen, Troels Petit, Elisabeth Petridis, Andreas Petridou, Chariclia Petrolo, Emilio Petrucci, Fabrizio Pettersson, Nora Emilia Pezoa, Raquel Phillips, Peter William Piacquadio, Giacinto Pianori, Elisabetta Picazio, Attilio Piccaro, Elisa Piccinini, Maurizio Piegaia, Ricardo Pignotti, David Pilcher, James Pilkington, Andrew Pina, João Antonio Pinamonti, Michele Pinder, Alex Pinfold, James Pingel, Almut Pinto, Belmiro Pires, Sylvestre Pitt, Michael Pizio, Caterina Plazak, Lukas Pleier, Marc-Andre Pleskot, Vojtech Plotnikova, Elena Plucinski, Pawel Pluth, Daniel Poddar, Sahill Podlyski, Fabrice Poettgen, Ruth Poggioli, Luc Pohl, David-leon Pohl, Martin Polesello, Giacomo Policicchio, Antonio Polifka, Richard Polini, Alessandro Pollard, Christopher Samuel Polychronakos, Venetios Pommès, Kathy Pontecorvo, Ludovico Pope, Bernard Popeneciu, Gabriel Alexandru Popovic, Dragan Poppleton, Alan Portell Bueso, Xavier Pospisil, Stanislav Potamianos, Karolos Potrap, Igor Potter, Christina Potter, Christopher Poulard, Gilbert Poveda, Joaquin Pozdnyakov, Valery Pralavorio, Pascal Pranko, Aliaksandr Prasad, Srivas Pravahan, Rishiraj Prell, Soeren Price, Darren Price, Joe Price, Lawrence Prieur, Damien Primavera, Margherita Proissl, Manuel Prokofiev, Kirill Prokoshin, Fedor Protopapadaki, Eftychia-sofia Protopopescu, Serban Proudfoot, James Przybycien, Mariusz Przysiezniak, Helenka Ptacek, Elizabeth Puddu, Daniele Pueschel, Elisa Puldon, David Purohit, Milind Puzo, Patrick Qian, Jianming Qin, Gang Qin, Yang Quadt, Arnulf Quarrie, David Quayle, William Queitsch-Maitland, Michaela Quilty, Donnchadha Qureshi, Anum Radeka, Veljko Radescu, Voica Radhakrishnan, Sooraj Krishnan Radloff, Peter Rados, Pere Ragusa, Francesco Rahal, Ghita Rajagopalan, Srinivasan Rammensee, Michael Randle-Conde, Aidan Sean Rangel-Smith, Camila Rao, Kanury Rauscher, Felix Rave, Tobias Christian Ravenscroft, Thomas Raymond, Michel Read, Alexander Lincoln Readioff, Nathan Peter Rebuzzi, Daniela Redelbach, Andreas Redlinger, George Reece, Ryan Reeves, Kendall Rehnisch, Laura Reisin, Hernan Relich, Matthew Rembser, Christoph Ren, Huan Ren, Zhongliang Renaud, Adrien Rescigno, Marco Resconi, Silvia Rezanova, Olga Reznicek, Pavel Rezvani, Reyhaneh Richter, Robert Ridel, Melissa Rieck, Patrick Rieger, Julia Rijssenbeek, Michael Rimoldi, Adele Rinaldi, Lorenzo Ritsch, Elmar Riu, Imma Rizatdinova, Flera Rizvi, Eram Robertson, Steven Robichaud-Veronneau, Andree Robinson, Dave Robinson, James Robson, Aidan Roda, Chiara Rodrigues, Luis Roe, Shaun Røhne, Ole Rolli, Simona Romaniouk, Anatoli Romano, Marino Romero Adam, Elena Rompotis, Nikolaos Ronzani, Manfredi Roos, Lydia Ros, Eduardo Rosati, Stefano Rosbach, Kilian Rose, Matthew Rose, Peyton Rosendahl, Peter Lundgaard Rosenthal, Oliver Rossetti, Valerio Rossi, Elvira Rossi, Leonardo Paolo Rosten, Rachel Rotaru, Marina Roth, Itamar Rothberg, Joseph Rousseau, David Royon, Christophe Rozanov, Alexandre Rozen, Yoram Ruan, Xifeng Rubbo, Francesco Rubinskiy, Igor Rud, Viacheslav Rudolph, Christian Rudolph, Matthew Scott Rühr, Frederik Ruiz-Martinez, Aranzazu Rurikova, Zuzana Rusakovich, Nikolai Ruschke, Alexander Rutherfoord, John Ruthmann, Nils Ryabov, Yury Rybar, Martin Rybkin, Grigori Ryder, Nick Saavedra, Aldo Sabato, Gabriele Sacerdoti, Sabrina Saddique, Asif Sadeh, Iftach Sadrozinski, Hartmut Sadykov, Renat Safai Tehrani, Francesco Sakamoto, Hiroshi Sakurai, Yuki Salamanna, Giuseppe Salamon, Andrea Saleem, Muhammad Salek, David Sales De Bruin, Pedro Henrique Salihagic, Denis Salnikov, Andrei Salt, José Salvatore, Daniela Salvatore, Pasquale Fabrizio Salvucci, Antonio Salzburger, Andreas Sampsonidis, Dimitrios Sanchez, Arturo Sánchez, Javier Sanchez Martinez, Victoria Sandaker, Heidi Sandbach, Ruth Laura Sander, Heinz Georg Sanders, Michiel Sandhoff, Marisa Sandoval, Tanya Sandoval, Carlos Sandstroem, Rikard Sankey, Dave Sansoni, Andrea Santoni, Claudio Santonico, Rinaldo Santos, Helena Santoyo Castillo, Itzebelt Sapp, Kevin Sapronov, Andrey Saraiva, João Sarrazin, Bjorn Sartisohn, Georg Sasaki, Osamu Sasaki, Yuichi Sauvage, Gilles Sauvan, Emmanuel Savard, Pierre Savu, Dan Octavian Sawyer, Craig Sawyer, Lee Saxon, David Saxon, James Sbarra, Carla Sbrizzi, Antonio Scanlon, Tim Scannicchio, Diana Scarcella, Mark Scarfone, Valerio Schaarschmidt, Jana Schacht, Peter Schaefer, Douglas Schaefer, Ralph Schaepe, Steffen Schaetzel, Sebastian Schäfer, Uli Schaffer, Arthur Schaile, Dorothee Schamberger, R~Dean Scharf, Veit Schegelsky, Valery Scheirich, Daniel Schernau, Michael Scherzer, Max Schiavi, Carlo Schieck, Jochen Schillo, Christian Schioppa, Marco Schlenker, Stefan Schmidt, Evelyn Schmieden, Kristof Schmitt, Christian Schmitt, Sebastian Schneider, Basil Schnellbach, Yan Jie Schnoor, Ulrike Schoeffel, Laurent Schoening, Andre Schoenrock, Bradley Daniel Schorlemmer, Andre Lukas Schott, Matthias Schouten, Doug Schovancova, Jaroslava Schramm, Steven Schreyer, Manuel Schroeder, Christian Schuh, Natascha Schultens, Martin Johannes Schultz-Coulon, Hans-Christian Schulz, Holger Schumacher, Markus Schumm, Bruce Schune, Philippe Schwanenberger, Christian Schwartzman, Ariel Schwarz, Thomas Andrew Schwegler, Philipp Schwemling, Philippe Schwienhorst, Reinhard Schwindling, Jerome Schwindt, Thomas Schwoerer, Maud Sciacca, Gianfranco Scifo, Estelle Sciolla, Gabriella Scott, Bill Scuri, Fabrizio Scutti, Federico Searcy, Jacob Sedov, George Sedykh, Evgeny Seema, Pienpen Seidel, Sally Seiden, Abraham Seifert, Frank Seixas, José Sekhniaidze, Givi Sekula, Stephen Selbach, Karoline Elfriede Seliverstov, Dmitry Sellers, Graham Semprini-Cesari, Nicola Serfon, Cedric Serin, Laurent Serkin, Leonid Serre, Thomas Seuster, Rolf Severini, Horst Sfiligoj, Tina Sforza, Federico Sfyrla, Anna Shabalina, Elizaveta Shamim, Mansoora Shan, Lianyou Shang, Ruo-yu Shank, James Shapiro, Marjorie Shatalov, Pavel Shaw, Kate Shehu, Ciwake Yusufu Sherwood, Peter Shi, Liaoshan Shimizu, Shima Shimmin, Chase Owen Shimojima, Makoto Shiyakova, Mariya Shmeleva, Alevtina Shochet, Mel Short, Daniel Shrestha, Suyog Shulga, Evgeny Shupe, Michael Shushkevich, Stanislav Sicho, Petr Sidiropoulou, Ourania Sidorov, Dmitri Sidoti, Antonio Siegert, Frank Sijacki, Djordje Silva, José Silver, Yiftah Silverstein, Daniel Silverstein, Samuel Simak, Vladislav Simard, Olivier Simic, Ljiljana Simion, Stefan Simioni, Eduard Simmons, Brinick Simoniello, Rosa Sinervo, Pekka Sinev, Nikolai Siragusa, Giovanni Sircar, Anirvan Sisakyan, Alexei Sivoklokov, Serguei Sjölin, Jörgen Sjursen, Therese Skottowe, Hugh Philip Skovpen, Kirill Skubic, Patrick Slater, Mark Slavicek, Tomas Slawinska, Magdalena Sliwa, Krzysztof Smakhtin, Vladimir Smart, Ben Smestad, Lillian Smirnov, Sergei Smirnov, Yury Smirnova, Lidia Smirnova, Oxana Smith, Kenway Smizanska, Maria Smolek, Karel Snesarev, Andrei Snidero, Giacomo Snyder, Scott Sobie, Randall Socher, Felix Soffer, Abner Soh, Dart-yin Solans, Carlos Solar, Michael Solc, Jaroslav Soldatov, Evgeny Soldevila, Urmila Solodkov, Alexander Soloshenko, Alexei Solovyanov, Oleg Solovyev, Victor Sommer, Philip Song, Hong Ye Soni, Nitesh Sood, Alexander Sopczak, Andre Sopko, Bruno Sopko, Vit Sorin, Veronica Sosebee, Mark Soualah, Rachik Soueid, Paul Soukharev, Andrey South, David Spagnolo, Stefania Spanò, Francesco Spearman, William Robert Spettel, Fabian Spighi, Roberto Spigo, Giancarlo Spiller, Laurence Anthony Spousta, Martin Spreitzer, Teresa Spurlock, Barry St Denis, Richard Dante Staerz, Steffen Stahlman, Jonathan Stamen, Rainer Stamm, Soren Stanecka, Ewa Stanek, Robert Stanescu, Cristian Stanescu-Bellu, Madalina Stanitzki, Marcel Michael Stapnes, Steinar Starchenko, Evgeny Stark, Jan Staroba, Pavel Starovoitov, Pavel Staszewski, Rafal Stavina, Pavel Steinberg, Peter Stelzer, Bernd Stelzer, Harald Joerg Stelzer-Chilton, Oliver Stenzel, Hasko Stern, Sebastian Stewart, Graeme Stillings, Jan Andre Stockton, Mark Stoebe, Michael Stoicea, Gabriel Stolte, Philipp Stonjek, Stefan Stradling, Alden Straessner, Arno Stramaglia, Maria Elena Strandberg, Jonas Strandberg, Sara Strandlie, Are Strauss, Emanuel Strauss, Michael Strizenec, Pavol Ströhmer, Raimund Strom, David Stroynowski, Ryszard Strubig, Antonia Stucci, Stefania Antonia Stugu, Bjarne Styles, Nicholas Adam Su, Dong Su, Jun Subramaniam, Rajivalochan Succurro, Antonella Sugaya, Yorihito Suhr, Chad Suk, Michal Sulin, Vladimir Sultansoy, Saleh Sumida, Toshi Sun, Siyuan Sun, Xiaohu Sundermann, Jan Erik Suruliz, Kerim Susinno, Giancarlo Sutton, Mark Suzuki, Yu Svatos, Michal Swedish, Stephen Swiatlowski, Maximilian Sykora, Ivan Sykora, Tomas Ta, Duc Taccini, Cecilia Tackmann, Kerstin Taenzer, Joe Taffard, Anyes Tafirout, Reda Taiblum, Nimrod Takai, Helio Takashima, Ryuichi Takeda, Hiroshi Takeshita, Tohru Takubo, Yosuke Talby, Mossadek Talyshev, Alexey Tam, Jason Tan, Kong Guan Tanaka, Junichi Tanaka, Reisaburo Tanaka, Satoshi Tanaka, Shuji Tanasijczuk, Andres Jorge Tannenwald, Benjamin Bordy Tannoury, Nancy Tapprogge, Stefan Tarem, Shlomit Tarrade, Fabien Tartarelli, Giuseppe Francesco Tas, Petr Tasevsky, Marek Tashiro, Takuya Tassi, Enrico Tavares Delgado, Ademar Tayalati, Yahya Taylor, Frank Taylor, Geoffrey Taylor, Wendy Teischinger, Florian Alfred Teixeira Dias Castanheira, Matilde Teixeira-Dias, Pedro Temming, Kim Katrin Ten Kate, Herman Teng, Ping-Kun Teoh, Jia Jian Terada, Susumu Terashi, Koji Terron, Juan Terzo, Stefano Testa, Marianna Teuscher, Richard Therhaag, Jan Theveneaux-Pelzer, Timothée Thomas, Juergen Thomas-Wilsker, Joshuha Thompson, Emily Thompson, Paul Thompson, Peter Thompson, Ray Thompson, Stan Thomsen, Lotte Ansgaard Thomson, Evelyn Thomson, Mark Thong, Wai Meng Thun, Rudolf Tian, Feng Tibbetts, Mark James Tikhomirov, Vladimir Tikhonov, Yury Timoshenko, Sergey Tiouchichine, Elodie Tipton, Paul Tisserant, Sylvain Todorov, Theodore Todorova-Nova, Sharka Tojo, Junji Tokár, Stanislav Tokushuku, Katsuo Tollefson, Kirsten Tolley, Emma Tomlinson, Lee Tomoto, Makoto Tompkins, Lauren Toms, Konstantin Topilin, Nikolai Torrence, Eric Torres, Heberth Torró Pastor, Emma Toth, Jozsef Touchard, Francois Tovey, Daniel Tran, Huong Lan Trefzger, Thomas Tremblet, Louis Tricoli, Alessandro Trigger, Isabel Marian Trincaz-Duvoid, Sophie Tripiana, Martin Trischuk, William Trocmé, Benjamin Troncon, Clara Trottier-McDonald, Michel Trovatelli, Monica True, Patrick Trzebinski, Maciej Trzupek, Adam Tsarouchas, Charilaos Tseng, Jeffrey Tsiareshka, Pavel Tsionou, Dimitra Tsipolitis, Georgios Tsirintanis, Nikolaos Tsiskaridze, Shota Tsiskaridze, Vakhtang Tskhadadze, Edisher Tsukerman, Ilya Tsulaia, Vakhtang Tsuno, Soshi Tsybychev, Dmitri Tudorache, Alexandra Tudorache, Valentina Tuna, Alexander Naip Tupputi, Salvatore Turchikhin, Semen Turecek, Daniel Turk Cakir, Ilkay Turra, Ruggero Turvey, Andrew John Tuts, Michael Tykhonov, Andrii Tylmad, Maja Tyndel, Mike Uchida, Kirika Ueda, Ikuo Ueno, Ryuichi Ughetto, Michael Ugland, Maren Uhlenbrock, Mathias Ukegawa, Fumihiko Unal, Guillaume Undrus, Alexander Unel, Gokhan Ungaro, Francesca Unno, Yoshinobu Unverdorben, Christopher Urbaniec, Dustin Urquijo, Phillip Usai, Giulio Usanova, Anna Vacavant, Laurent Vacek, Vaclav Vachon, Brigitte Valencic, Nika Valentinetti, Sara Valero, Alberto Valery, Loic Valkar, Stefan Valladolid Gallego, Eva Vallecorsa, Sofia Valls Ferrer, Juan Antonio Van Den Wollenberg, Wouter Van Der Deijl, Pieter van der Geer, Rogier van der Graaf, Harry Van Der Leeuw, Robin van der Ster, Daniel van Eldik, Niels van Gemmeren, Peter Van Nieuwkoop, Jacobus van Vulpen, Ivo van Woerden, Marius Cornelis Vanadia, Marco Vandelli, Wainer Vanguri, Rami Vaniachine, Alexandre Vankov, Peter Vannucci, Francois Vardanyan, Gagik Vari, Riccardo Varnes, Erich Varol, Tulin Varouchas, Dimitris Vartapetian, Armen Varvell, Kevin Vazeille, Francois Vazquez Schroeder, Tamara Veatch, Jason Veloso, Filipe Velz, Thomas Veneziano, Stefano Ventura, Andrea Ventura, Daniel Venturi, Manuela Venturi, Nicola Venturini, Alessio Vercesi, Valerio Verducci, Monica Verkerke, Wouter Vermeulen, Jos Vest, Anja Vetterli, Michel Viazlo, Oleksandr Vichou, Irene Vickey, Trevor Vickey Boeriu, Oana Elena Viehhauser, Georg Viel, Simon Vigne, Ralph Villa, Mauro Villaplana Perez, Miguel Vilucchi, Elisabetta Vincter, Manuella Vinogradov, Vladimir Virzi, Joseph Vivarelli, Iacopo Vives Vaque, Francesc Vlachos, Sotirios Vladoiu, Dan Vlasak, Michal Vogel, Adrian Vogel, Marcelo Vokac, Petr Volpi, Guido Volpi, Matteo von der Schmitt, Hans von Radziewski, Holger von Toerne, Eckhard Vorobel, Vit Vorobev, Konstantin Vos, Marcel Voss, Rudiger Vossebeld, Joost Vranjes, Nenad Vranjes Milosavljevic, Marija Vrba, Vaclav Vreeswijk, Marcel Vu Anh, Tuan Vuillermet, Raphael Vukotic, Ilija Vykydal, Zdenek Wagner, Peter Wagner, Wolfgang Wahlberg, Hernan Wahrmund, Sebastian Wakabayashi, Jun Walder, James Walker, Rodney Walkowiak, Wolfgang Wall, Richard Waller, Peter Walsh, Brian Wang, Chao Wang, Chiho Wang, Fuquan Wang, Haichen Wang, Hulin Wang, Jike Wang, Jin Wang, Kuhan Wang, Rui Wang, Song-Ming Wang, Tan Wang, Xiaoxiao Wanotayaroj, Chaowaroj Warburton, Andreas Ward, Patricia Wardrope, David Robert Warsinsky, Markus Washbrook, Andrew Wasicki, Christoph Watkins, Peter Watson, Alan Watson, Ian Watson, Miriam Watts, Gordon Watts, Stephen Waugh, Ben Webb, Samuel Weber, Michele Weber, Stefan Wolf Webster, Jordan S Weidberg, Anthony Weinert, Benjamin Weingarten, Jens Weiser, Christian Weits, Hartger Wells, Phillippa Wenaus, Torre Wendland, Dennis Weng, Zhili Wengler, Thorsten Wenig, Siegfried Wermes, Norbert Werner, Matthias Werner, Per Wessels, Martin Wetter, Jeffrey Whalen, Kathleen White, Andrew White, Martin White, Ryan White, Sebastian Whiteson, Daniel Wicke, Daniel Wickens, Fred Wiedenmann, Werner Wielers, Monika Wienemann, Peter Wiglesworth, Craig Wiik-Fuchs, Liv Antje Mari Wijeratne, Peter Alexander Wildauer, Andreas Wildt, Martin Andre Wilkens, Henric George Williams, Hugh Williams, Sarah Willis, Christopher Willocq, Stephane Wilson, Alan Wilson, John Wingerter-Seez, Isabelle Winklmeier, Frank Winter, Benedict Tobias Wittgen, Matthias Wittig, Tobias Wittkowski, Josephine Wollstadt, Simon Jakob Wolter, Marcin Wladyslaw Wolters, Helmut Wosiek, Barbara Wotschack, Jorg Woudstra, Martin Wozniak, Krzysztof Wright, Michael Wu, Mengqing Wu, Sau Lan Wu, Xin Wu, Yusheng Wulf, Evan Wyatt, Terry Richard Wynne, Benjamin Xella, Stefania Xiao, Meng Xu, Da Xu, Lailin Yabsley, Bruce Yacoob, Sahal Yakabe, Ryota Yamada, Miho Yamaguchi, Hiroshi Yamaguchi, Yohei Yamamoto, Akira Yamamoto, Kyoko Yamamoto, Shimpei Yamamura, Taiki Yamanaka, Takashi Yamauchi, Katsuya Yamazaki, Yuji Yan, Zhen Yang, Haijun Yang, Hongtao Yang, Un-Ki Yang, Yi Yanush, Serguei Yao, Liwen Yao, Weiming Yasu, Yoshiji Yatsenko, Elena Yau Wong, Kaven Henry Ye, Jingbo Ye, Shuwei Yeletskikh, Ivan Yen, Andy L Yildirim, Eda Yilmaz, Metin Yoosoofmiya, Reza Yorita, Kohei Yoshida, Rikutaro Yoshihara, Keisuke Young, Charles Young, Christopher John Youssef, Saul Yu, David Ren-Hwa Yu, Jaehoon Yu, Jiaming Yu, Jie Yuan, Li Yurkewicz, Adam Yusuff, Imran Zabinski, Bartlomiej Zaidan, Remi Zaitsev, Alexander Zaman, Aungshuman Zambito, Stefano Zanello, Lucia Zanzi, Daniele Zeitnitz, Christian Zeman, Martin Zemla, Andrzej Zengel, Keith Zenin, Oleg Ženiš, Tibor Zerwas, Dirk Zevi della Porta, Giovanni Zhang, Dongliang Zhang, Fangzhou Zhang, Huaqiao Zhang, Jinlong Zhang, Lei Zhang, Xueyao Zhang, Zhiqing Zhao, Yongke Zhao, Zhengguo Zhemchugov, Alexey Zhong, Jiahang Zhou, Bing Zhou, Lei Zhou, Ning Zhu, Cheng Guang Zhu, Hongbo Zhu, Junjie Zhu, Yingchun Zhuang, Xuai Zhukov, Konstantin Zibell, Andre Zieminska, Daria Zimine, Nikolai Zimmermann, Christoph Zimmermann, Robert Zimmermann, Simone Zimmermann, Stephanie Zinonos, Zinonas Ziolkowski, Michael Zobernig, Georg Zoccoli, Antonio zur Nedden, Martin Zurzolo, Giovanni Zutshi, Vishnu Zwalinski, Lukasz JHEP 10.1007/JHEP11(2014)056 056 11 Higgs physics supersymmetry experimental results 2014 2014-11-12 A search for the neutral Higgs bosons predicted by the Minimal Supersymmetric Standard Model (MSSM) is reported. The analysis is performed on data from proton--proton collisions at a centre-of-mass energy of $8 TeV$ collected with the ATLAS detector at the Large Hadron Collider. The samples used for this search were collected in 2012 and correspond to integrated luminosities in the range 19.5 - 20.3 fb$^{-1}$. The MSSM Higgs bosons are searched for in the $\tau\tau$ final state. No significant excess over the expected background is observed, and exclusion limits are derived for the production cross section times branching fraction of a scalar particle as a function of its mass. The results are also interpreted in the MSSM parameter space for various benchmark scenarios. Pérez García-Estañ, Teresa The top quark is the heaviest elementary particle and has the largest coupling to the Standard Model Higgs boson. Top quark decays with a tau lepton in the final state play an important role in the search for SM and BSM Higgs bosons. In particular, if a charged Higgs boson exists as predicted by the MSSM, and its mass is lower than the top quark mass minus the bottom quark mass, the top quark predominantly decays into a charged Higgs boson and a $b$-quark: $t \rightarrow H^{+}b$. A heavy charged Higgs can also be produced associated with a top quark: tH$^{+}$. In some scenarios, the charged Higgs would decay predominantly to a tau lepton and a neutrino, producing then an excess in the $\ell + \tau$ channel over the other dilepton channels which, if observed, would constitute experimental evidence of the the existence of a charged Higgs boson. The $t\bar{t}$ production cross section in the lepton plus tau channel ($pp \rightarrow t\bar{t} \rightarrow\ell + \tau$) measurement presented in this thesis has been obtained analysing 2.05 $fb^{-1}$ of ATLAS data at $\sqrt{s} =$ 7 TeV collected during 2011. The $t\bar{t}(\ell+\tau)$ candidate events are selected based on the event topology of the final state: one high $p_T$ electron or muon, 2 high $E_T$ jets, at least one of them b-tagged, large missing transverse energy and one hadronically decaying $\tau$ lepton. The main background after the selection comes from semileptonic $t\bar{t}$ where a jet has been misidentified as a hadronically decaying tau. The only discriminator between this background and the signal is the tau identification. In this analysis we exploit a discriminant variable, $BDT_j$, obtained from a Boosted Decision Tree multi-variate technique specially trained to separate real taus from other jet types. The signal and background contributions to the signal region are then estimated using a $\chi^{2}$ fit of the $BDT_j$ distribution of the reconstructed taus in the data sample with a signal template derived from MC and background templates derived from data to minimize the systematic uncertainty. Two background templates are used, one for jets produced by the hadronization of light-quarks and another for jets produced by the hadronization of gluon, which constitute the main source of fake taus for the $t\bar{t}(\ell+\tau)$ signal after the selections. The parameters of the fit are the amount of both backgrounds and the amount of signal and the shapes of the templates are fixed. The measured $t\bar{t}(\ell+\tau)$ cross section \begin{equation*} \sigma_{t\bar{t}} = 151 \pm 11 ~{\rm (stat.)} \pm 15 ~{\rm (syst.)} \pm 5 ~{\rm (lumi.)} ~\rm{pb.} \end{equation*} exceeds the precision of the existing measurements in the same $\ell + \tau$ channel performed by CDF, DZero and CMS. Furthermore, it improves the results of previous measurements of the $t\bar{t}(\ell+\tau)$ cross section published at ATLAS, reducing the statistical uncertainty of the cross section measurement and improving the background description, building a background model which properly reflects the jet composition to correctly estimate the fake $\tau$ contamination in the signal region. The systematic uncertainties dominate the measurement and are kept at the same level as previous measurements. The observed cross section value agree well with the Standard Model theoretical expectation predicted with full NNLO precision, within uncertainties, and is consistent with the measured cross-sections using different decay channels by ATLAS. Therefore, we cannot make any claims of new physics. We have, however, developed a novel technique which has a great potential to achieve even higher precision when applied to high statistic samples and it can be used to test the SM and search for new physics in pp collisions in the $t\bar{t}(\ell+\tau)$ channel with the new data expected in 2015 when the LHC resumes the proton-proton collisions at 13-14 TeV. Schwindt, Thomas HIGGS 2014 2014 After the discovery of a Higgs boson at the LHC in $\gamma\gamma$, $ZZ$ and $WW$ final states in 2012, the ATLAS collaboration also observes an excess of data over the predicted background in $\tau\tau$ final states, which is consistent with the decay of the discovered Higgs boson with $m_H\approx125$ GeV. With an observed (expected) significance of 4.1$\sigma$ (3.2$\sigma$), this is evidence for the coupling of this Higgs boson to fermions. The multi-variate analysis of a dataset corresponding to 20.3 fb$^{-1}$ of $pp$ collisions at $\sqrt{s}=8$ TeV is presented together with a separate cut-based analysis of the same dataset searching for $h/H/A{\rightarrow}\tau^+\tau^-$ decays in the context of the Minimal Supersymmetric Standard Model (MSSM). No excess of data over the expected backgrounds is observed in this search for additional Higgs bosons, and exclusion limits on the production cross section times branching fraction are derived and interpreted in the MSSM parameter space for different scenarios. compositeness, EW singlet, doublet, 2HDM, supersymmetry, MSSM, invisible, dark matter EWEAK HIGGS SUSY EXOTICS 2014 2014 The ATLAS experiment at the LHC determines the couplings of the Higgs boson to other particles using the combination of measurements from multiple production and decay channels. The expected precision with which these couplings can be measured at the High-Luminosity LHC has been estimated elsewhere using parametrized acceptances, efficiencies, and resolutions to approximate the expected detector performance with the upgraded detector. Expected constraints on a non-standard mass scaling of the couplings, as well as models with an additional electroweak singlet, an additional electroweak doublet (two-Higgs-doublet model), a composite Higgs boson, a simplified Supersymmetric Standard Model (MSSM), and a Higgs portal to dark matter, are derived here using the estimated precision on the coupling measurements with 300 and 3000 $\textrm{fb}^{-1}$ of $pp$ collision data at $\sqrt{s}=14$ TeV. The sensitivity to new phenomena is significantly enhanced at the High-Luminosity LHC compared to the corresponding sensitivities at lower integrated luminosities. Straessner, A Higgs boson Higgs properties 2HDM MSSM Higgs HIGGS 2014 2014 The ATLAS and CMS experiments at the LHC have measured detailed properties of the SM-like Higgs boson discovered in 2012. Results on Higgs boson mass, width, spin and coupling determinations are presented. The parameters observed are furthermore interpreted in extensions to the Standard Model. Searches for additional Higgs bosons predicted in the general 2 Higgs Doublet Model (2HDM) and the Minimal Supersymmetric Standard Model (MSSM) are reported. Breaden Madden, William Dmitri Morgan This thesis for the degree of Master of Science by Research presents the theory, methodology and results of a search for charged Higgs bosons decaying via ${H^+ \to \tau_{lep.} + \nu}$ using single lepton and two lepton channels in ${t}$ quark pair (${t\bar{t}}$) events with a leptonically decaying ${\tau}$ in the final state based on ${1.03\textrm{ fb}^{-1}}$ of proton-proton collision data at centre of mass energy ${\sqrt{s}=7\textrm{ TeV}}$ from ATLAS, an experiment of the LHC, with special attention given to the statistical analysis and calculation involved in the limit setting process. For the single lepton channel, the expected number of Standard Model-like\linebreak${t\bar{t} \to b\bar{b}W^{+}W^{-}}$ background events lies between $0.99$ and $1.03$ times the Standard Model prediction, with uncertainties in the range ${2\%}$ -- ${3\%}$. For the two lepton channel, the expected number of Standard Model-like background events lies between $0.99$ and $1.03$ times the Standard Model prediction, with uncertainties in the range ${5\%}$ -- ${25\%}$. Assuming the branching fraction ${\mathcal{B}\left(H^{+} \to \tau\mu\right)=1}$, the upper limits on the branching fraction ${\mathcal{B}\left(t \to bH^{+}\right)}$ at the $95\%$ confidence level are between ${5.2\%}$ and ${14.1\%}$ for charged Higgs boson masses in the range ${90\textrm{ GeV}\leq m_{H^{+}}\leq 160\textrm{ GeV}}$. In the context of the ${m^{\textrm{max.}}_{h}}$ scenario of the MSSM, values of ${\tan\beta}$ greater than ${30}$--${56}$ are excluded in the mass range ${90\textrm{ GeV}\leq m_{H^{+}}\leq 140\textrm{ GeV}}$. The compatibility with background of the combination of the single lepton and two lepton channels ranges between ${26\%}$ and ${50\%}$, as measured by ${p_{0}}$ values. Hence, no indication of a ${H^{+}}$-like excess is found. Mohn, Bjarte Alsaker The ATLAS (A Toroidal Lhc ApparatuS) experiment is one of four major experiments presently being installed at the upcoming Large Hadron Collider (LHC) at the European Centre for Nuclear Research (CERN) outside Geneva. In this thesis we present work done on both the simulation of the ATLAS physics potential for a charged Higgs boson and the construction of the Semiconductor Tracker (SCT) - a subdetector within the ATLAS Inner Detector. The discovery of a charged Higgs boson would be an unambiguous sign of physics beyond the Standard Model (SM) and it is thus of great interest to study the ATLAS potential for a charged Higgs discovery. Two such studies have been conducted for this thesis. In the first study a large-mass-splitting Minimal Supersymmetric Standard Model (MSSM) is assumed in which the charged Higgs boson decays into a W boson and a neutral Higgs may receive a large branching ratio.We conclude, however, that charged Higgs searches in this decay channel are made difficult by a large irreducible SM background. Despite its small brancing ratio at high masses for the charged Higgs boson, the decay mode H± →τν remains the most powerful decay mode for a charged Higgs discovery. Discovery through this channel depends heavily on excellent detector performance and understanding of the background.We show that with detector full simulation and with more complete background samples this channel still remains the most powerful decay mode. We also show that it is possible to connect the discovery countour for charged Higgs boson masses below and above the top-quark mass. The SCT detector is a tracking detector based on silicon microstrip detector technology. It is a highly modular detector consisting of 4088 detector modules that are mounted on 4 barrels and 9x2 end cap disks. Some 320 of the SCT barrel detector modules were built by a Scandinavian collaboration and presented here are the results of this work and procedures for building and quality assurance. Each SCT detector module is powered by an individual high and low voltage supply and thus a large scale and robust power supply control system is needed for controlling the SCT detector. Presented in this thesis is work done to prepare the SCT power supply software for this task, as well as the results obtained during testing and development. As a part of the commissioning of the completed SCT barrel, a series of cosmic runs were performed. Data from these runs allowed for first studies of the detector alignment and alignment results and conlusions thereof are presented in this thesis. Aad, Georges Abbott, Brad Abdallah, Jalal Abdinov, Ovsat Aben, Rosemarie Abolins, Maris AbouZeid, Ossama Abramowicz, Halina Abreu, Henso Abreu, Ricardo Abulaiti, Yiming Acharya, Bobby Samir Adamczyk, Leszek Adams, David Adelman, Jahred Adomeit, Stefanie Adye, Tim Affolder, Tony Agatonovic-Jovin, Tatjana Agricola, Johannes Aguilar-Saavedra, Juan Antonio Ahlen, Steven Ahmadov, Faig Aielli, Giulio Akerstedt, Henrik Åkesson, Torsten Paul Ake Akimov, Andrei Alberghi, Gian Luigi Albert, Justin Albrand, Solveig Alconada Verzini, Maria Josefina Aleksa, Martin Aleksandrov, Igor Alexa, Calin Alexander, Gideon Alexopoulos, Theodoros Alhroob, Muhammad Alimonti, Gianluca Alio, Lion Alison, John Alkire, Steven Patrick Allbrooke, Benedict Allport, Phillip Aloisio, Alberto Alonso, Alejandro Alonso, Francisco Alpigiani, Cristiano Altheimer, Andrew David Alvarez Gonzalez, Barbara Άlvarez Piqueras, Damián Alviggi, Mariagrazia Amadio, Brian Thomas Amako, Katsuya Amaral Coutinho, Yara Amelung, Christoph Amidei, Dante Amor Dos Santos, Susana Patricia Amorim, Antonio Amoroso, Simone Amram, Nir Amundsen, Glenn Anastopoulos, Christos Ancu, Lucian Stefan Andari, Nansi Andeen, Timothy Anders, Christoph Falk Anders, Gabriel Anders, John Kenneth Anderson, Kelby Andreazza, Attilio Andrei, George Victor Angelidakis, Stylianos Angelozzi, Ivan Anger, Philipp Angerami, Aaron Anghinolfi, Francis Anisenkov, Alexey Anjos, Nuno Annovi, Alberto Antonelli, Mario Antonov, Alexey Antos, Jaroslav Anulli, Fabio Aoki, Masato Aperio Bella, Ludovica Arabidze, Giorgi Arai, Yasuo Araque, Juan Pedro Arce, Ayana Arduh, Francisco Anuar Arguin, Jean-Francois Argyropoulos, Spyridon Arik, Metin Armbruster, Aaron James Arnaez, Olivier Arnal, Vanessa Arnold, Hannah Arratia, Miguel Arslan, Ozan Artamonov, Andrei Artoni, Giacomo Asai, Shoji Asbah, Nedaa Ashkenazi, Adi Åsman, Barbro Asquith, Lily Assamagan, Ketevi Astalos, Robert Atkinson, Markus Atlay, Naim Bora Augsten, Kamil Aurousseau, Mathieu Avolio, Giuseppe Axen, Bradley Ayoub, Mohamad Kassem Azuelos, Georges Baak, Max Baas, Alessandra Baca, Matthew John Bacci, Cesare Bachacou, Henri Bachas, Konstantinos Backes, Moritz Backhaus, Malte Bagiacchi, Paolo Bagnaia, Paolo Bai, Yu Bain, Travis Baines, John Baker, Oliver Keith Baldin, Evgenii Balek, Petr Balestri, Thomas Balli, Fabrice Banas, Elzbieta Banerjee, Swagato Bannoura, Arwa A E Bansil, Hardeep Singh Barak, Liron Barberio, Elisabetta Luigia Barberis, Dario Barbero, Marlon Barillari, Teresa Barisonzi, Marcello Barklow, Timothy Barlow, Nick Barnes, Sarah Louise Barnett, Bruce Barnett, Michael Barnovska, Zuzana Baroncelli, Antonio Barone, Gaetano Barr, Alan Barreiro, Fernando Barreiro Guimarães da Costa, João Bartoldus, Rainer Barton, Adam Edward Bartos, Pavol Basalaev, Artem Bassalat, Ahmed Basye, Austin Bates, Richard Batista, Santiago Juan Batley, Richard Battaglia, Marco Bauce, Matteo Bauer, Florian Bawa, Harinder Singh Beacham, James Baker Beattie, Michael David Beau, Tristan Beauchemin, Pierre-Hugues Beccherle, Roberto Bechtle, Philip Beck, Hans Peter Becker, Kathrin Becker, Maurice Becker, Sebastian Beckingham, Matthew Becot, Cyril Beddall, Andrew Beddall, Ayda Bednyakov, Vadim Bee, Christopher Beemster, Lars Beermann, Thomas Begel, Michael Behr, Janna Katharina Belanger-Champagne, Camille Bell, William Bella, Gideon Bellagamba, Lorenzo Bellerive, Alain Bellomo, Massimiliano Belotskiy, Konstantin Beltramello, Olga Benary, Odette Benchekroun, Driss Bender, Michael Bendtz, Katarina Benekos, Nektarios Benhammou, Yan Benhar Noccioli, Eleonora Benitez Garcia, Jorge-Armando Benjamin, Douglas Bensinger, James Bentvelsen, Stan Beresford, Lydia Beretta, Matteo Berge, David Bergeaas Kuutmann, Elin Berger, Nicolas Berghaus, Frank Beringer, Jürg Bernard, Clare Bernard, Nathan Rogers Bernius, Catrin Bernlochner, Florian Urs Berry, Tracey Berta, Peter Bertella, Claudia Bertoli, Gabriele Bertolucci, Federico Bertsche, Carolyn Bertsche, David Besana, Maria Ilaria Besjes, Geert-Jan Bessidskaia Bylund, Olga Bessner, Martin Florian Besson, Nathalie Betancourt, Christopher Bethke, Siegfried Bevan, Adrian John Bhimji, Wahid Bianchi, Riccardo-Maria Bianchini, Louis Bianco, Michele Biebel, Otmar Biedermann, Dustin Bieniek, Stephen Paul Biglietti, Michela Bilbao De Mendizabal, Javier Bilokon, Halina Bindi, Marcello Binet, Sebastien Bingul, Ahmet Bini, Cesare Biondi, Silvia Black, Curtis Black, James Black, Kevin Blackburn, Daniel Blair, Robert Blanchard, Jean-Baptiste Blanco, Jacobo Ezequiel Blazek, Tomas Bloch, Ingo Blocker, Craig Blum, Walter Blumenschein, Ulrike Bobbink, Gerjan Bobrovnikov, Victor Bocchetta, Simona Serena Bocci, Andrea Bock, Christopher Boehler, Michael Bogaerts, Joannes Andreas Bogavac, Danijela Bogdanchikov, Alexander Bohm, Christian Boisvert, Veronique Bold, Tomasz Boldea, Venera Boldyrev, Alexey Bomben, Marco Bona, Marcella Boonekamp, Maarten Borisov, Anatoly Borissov, Guennadi Borroni, Sara Bortfeldt, Jonathan Bortolotto, Valerio Bos, Kors Boscherini, Davide Bosman, Martine Boudreau, Joseph Bouffard, Julian Bouhova-Thacker, Evelina Vassileva Boumediene, Djamel Eddine Bourdarios, Claire Bousson, Nicolas Boveia, Antonio Boyd, James Boyko, Igor Bozic, Ivan Bracinik, Juraj Brandt, Andrew Brandt, Gerhard Brandt, Oleg Bratzler, Uwe Brau, Benjamin Brau, James Braun, Helmut Brazzale, Simone Federico Breaden Madden, William Dmitri Brendlinger, Kurt Brennan, Amelia Jean Brenner, Lydia Brenner, Richard Bressler, Shikma Bristow, Kieran Bristow, Timothy Michael Britton, Dave Britzger, Daniel Brochu, Frederic Brock, Ian Brock, Raymond Bronner, Johanna Brooijmans, Gustaaf Brooks, Timothy Brooks, William Brosamer, Jacquelyn Brost, Elizabeth Brown, Jonathan Bruckman de Renstrom, Pawel Bruncko, Dusan Bruneliere, Renaud Bruni, Alessia Bruni, Graziano Bruschi, Marco Bruscino, Nello Bryngemark, Lene Buanes, Trygve Buat, Quentin Buchholz, Peter Buckley, Andrew Buda, Stelian Ioan Budagov, Ioulian Buehrer, Felix Bugge, Lars Bugge, Magnar Kopangen Bulekov, Oleg Bullock, Daniel Burckhart, Helfried Burdin, Sergey Burgard, Carsten Daniel Burghgrave, Blake Burke, Stephen Burmeister, Ingo Busato, Emmanuel Büscher, Daniel Büscher, Volker Bussey, Peter Butler, John Butt, Aatif Imtiaz Buttar, Craig Butterworth, Jonathan Butti, Pierfrancesco Buttinger, William Buzatu, Adrian Buzykaev, Aleksey Cabrera Urbán, Susana Caforio, Davide Cairo, Valentina Cakir, Orhan Calace, Noemi Calafiura, Paolo Calandri, Alessandro Calderini, Giovanni Calfayan, Philippe Caloba, Luiz Calvet, David Calvet, Samuel Camacho Toro, Reina Camarda, Stefano Camarri, Paolo Cameron, David Caminal Armadans, Roger Campana, Simone Campanelli, Mario Campoverde, Angel Canale, Vincenzo Canepa, Anadi Cano Bret, Marc Cantero, Josu Cantrill, Robert Cao, Tingting Capeans Garrido, Maria Del Mar Caprini, Irinel Caprini, Mihai Capua, Marcella Caputo, Regina Cardarelli, Roberto Cardillo, Fabio Carli, Tancredi Carlino, Gianpaolo Carminati, Leonardo Caron, Sascha Carquin, Edson Carrillo-Montoya, German D Carter, Janet Carvalho, João Casadei, Diego Casado, Maria Pilar Casolino, Mirkoantonio Castaneda-Miranda, Elizabeth Castelli, Angelantonio Castillo Gimenez, Victoria Castro, Nuno Filipe Catastini, Pierluigi Catinaccio, Andrea Catmore, James Cattai, Ariella Caudron, Julien Cavaliere, Viviana Cavalli, Donatella Cavalli-Sforza, Matteo Cavasinni, Vincenzo Ceradini, Filippo Cerio, Benjamin Cerny, Karel Santiago Cerqueira, Augusto Cerri, Alessandro Cerrito, Lucio Cerutti, Fabio Cerv, Matevz Cervelli, Alberto Cetin, Serkant Ali Chafaq, Aziz Chakraborty, Dhiman Chalupkova, Ina Chang, Philip Chapman, John Derek Charlton, Dave Chau, Chav Chhiv Chavez Barajas, Carlos Alberto Cheatham, Susan Chegwidden, Andrew Chekanov, Sergei Chekulaev, Sergey Chelkov, Gueorgui Chelstowska, Magda Anna Chen, Chunhui Chen, Hucheng Chen, Karen Chen, Liming Chen, Shenjian Chen, Xin Chen, Ye Cheng, Hok Chuen Cheng, Yangyang Cheplakov, Alexander Cheremushkina, Evgenia Cherkaoui El Moursli, Rajaa Chernyatin, Valeriy Cheu, Elliott Chevalier, Laurent Chiarella, Vitaliano Chiarelli, Giorgio Chiodini, Gabriele Chisholm, Andrew Chislett, Rebecca Thalatta Chitan, Adrian Chizhov, Mihail Choi, Kyungeon Chouridou, Sofia Chow, Bonnie Kar Bo Christodoulou, Valentinos Chromek-Burckhart, Doris Chudoba, Jiri Chuinard, Annabelle Julia Chwastowski, Janusz Chytka, Ladislav Ciapetti, Guido Ciftci, Abbas Kenan Cinca, Diane Cindro, Vladimir Cioara, Irina Antonela Ciocio, Alessandra Citron, Zvi Hirsh Ciubancan, Mihai Clark, Allan G Clark, Brian Lee Clark, Philip James Clarke, Robert Cleland, Bill Clement, Christophe Coadou, Yann Cobal, Marina Coccaro, Andrea Cochran, James H Coffey, Laurel Cogan, Joshua Godfrey Colasurdo, Luca Cole, Brian Cole, Stephen Colijn, Auke-Pieter Collot, Johann Colombo, Tommaso Compostella, Gabriele Conde Muiño, Patricia Coniavitis, Elias Connell, Simon Henry Connelly, Ian Consonni, Sofia Maria Consorti, Valerio Constantinescu, Serban Conta, Claudio Conti, Geraldine Conventi, Francesco Cooke, Mark Cooper, Ben Cooper-Sarkar, Amanda Cornelissen, Thijs Corradi, Massimo Corriveau, Francois Corso-Radu, Alina Cortes-Gonzalez, Arely Cortiana, Giorgio Costa, Giuseppe Costa, María José Costanzo, Davide Côté, David Cottin, Giovanna Cowan, Glen Cox, Brian Cranmer, Kyle Cree, Graham Crépé-Renaudin, Sabine Crescioli, Francesco Cribbs, Wayne Allen Crispin Ortuzar, Mireia Cristinziani, Markus Croft, Vince Crosetti, Giovanni Cuhadar Donszelmann, Tulay Cummings, Jane Curatolo, Maria Cuthbert, Cameron Czirr, Hendrik Czodrowski, Patrick D'Auria, Saverio D'Onofrio, Monica Da Cunha Sargedas De Sousa, Mario Jose Da Via, Cinzia Dabrowski, Wladyslaw Dafinca, Alexandru Dai, Tiesheng Dale, Orjan Dallaire, Frederick Dallapiccola, Carlo Dam, Mogens Dandoy, Jeffrey Rogers Dang, Nguyen Phuong Daniells, Andrew Christopher Danninger, Matthias Dano Hoffmann, Maria Dao, Valerio Darbo, Giovanni Darmora, Smita Dassoulas, James Dattagupta, Aparajita Davey, Will David, Claire Davidek, Tomas Davies, Eleanor Davies, Merlin Davison, Peter Davygora, Yuriy Dawe, Edmund Dawson, Ian Daya-Ishmukhametova, Rozmin De, Kaushik de Asmundis, Riccardo De Benedetti, Abraham De Castro, Stefano De Cecco, Sandro De Groot, Nicolo de Jong, Paul De la Torre, Hector De Lorenzi, Francesco De Nooij, Lucie De Pedis, Daniele De Salvo, Alessandro De Sanctis, Umberto De Santo, Antonella De Vivie De Regie, Jean-Baptiste Dearnaley, William James Debbe, Ramiro Debenedetti, Chiara Dedovich, Dmitri Deigaard, Ingrid Del Peso, Jose Del Prete, Tarcisio Delgove, David Deliot, Frederic Delitzsch, Chris Malena Deliyergiyev, Maksym Dell'Acqua, Andrea Dell'Asta, Lidia Dell'Orso, Mauro Della Pietra, Massimo della Volpe, Domenico Delmastro, Marco Delsart, Pierre-Antoine Deluca, Carolina DeMarco, David Demers, Sarah Demichev, Mikhail Demilly, Aurelien Denisov, Sergey Derendarz, Dominik Derkaoui, Jamal Eddine Derue, Frederic Dervan, Paul Desch, Klaus Kurt Deterre, Cecile Deviveiros, Pier-Olivier Dewhurst, Alastair Dhaliwal, Saminder Di Ciaccio, Anna Di Ciaccio, Lucia Di Domenico, Antonio Di Donato, Camilla Di Girolamo, Alessandro Di Girolamo, Beniamino Di Mattia, Alessandro Di Micco, Biagio Di Nardo, Roberto Di Simone, Andrea Di Sipio, Riccardo Di Valentino, David Diaconu, Cristinel Diamond, Miriam Dias, Flavia Diaz, Marco Aurelio Diehl, Edward Dietrich, Janet Diglio, Sara Dimitrievska, Aleksandra Dingfelder, Jochen Dita, Petre Dita, Sanda Dittus, Fridolin Djama, Fares Djobava, Tamar Djuvsland, Julia Isabell Barros do Vale, Maria Aline Dobos, Daniel Dobre, Monica Doglioni, Caterina Dohmae, Takeshi Dolejsi, Jiri Dolezal, Zdenek Dolgoshein, Boris Donadelli, Marisilvia Donati, Simone Dondero, Paolo Donini, Julien Dopke, Jens Doria, Alessandra Dova, Maria-Teresa Doyle, Tony Drechsler, Eric Dris, Manolis Dubreuil, Emmanuelle Duchovni, Ehud Duckeck, Guenter Ducu, Otilia Anamaria Duda, Dominik Dudarev, Alexey Duflot, Laurent Duguid, Liam Dührssen, Michael Dunford, Monica Duran Yildiz, Hatice Düren, Michael Durglishvili, Archil Duschinger, Dirk Dyndal, Mateusz Eckardt, Christoph Ecker, Katharina Maria Edgar, Ryan Christopher Edson, William Edwards, Nicholas Charles Ehrenfeld, Wolfgang Eifert, Till Eigen, Gerald Einsweiler, Kevin Ekelof, Tord El Kacimi, Mohamed Ellert, Mattias Elles, Sabine Ellinghaus, Frank Elliot, Alison Ellis, Nicolas Elmsheuser, Johannes Elsing, Markus Emeliyanov, Dmitry Enari, Yuji Endner, Oliver Chris Endo, Masaki Erdmann, Johannes Ereditato, Antonio Ernis, Gunar Ernst, Jesse Ernst, Michael Errede, Steven Ertel, Eugen Escalier, Marc Esch, Hendrik Escobar, Carlos Esposito, Bellisario Etienvre, Anne-Isabelle Etzion, Erez Evans, Hal Ezhilov, Alexey Fabbri, Laura Facini, Gabriel Fakhrutdinov, Rinat Falciano, Speranza Falla, Rebecca Jane Faltova, Jana Fang, Yaquan Fanti, Marcello Farbin, Amir Farilla, Addolorata Farooque, Trisha Farrell, Steven Farrington, Sinead Farthouat, Philippe Fassi, Farida Fassnacht, Patrick Fassouliotis, Dimitrios Faucci Giannelli, Michele Favareto, Andrea Fayard, Louis Federic, Pavol Fedin, Oleg Fedorko, Wojciech Feigl, Simon Feligioni, Lorenzo Feng, Cunfeng Feng, Eric Feng, Haolu Fenyuk, Alexander Feremenga, Last Fernandez Martinez, Patricia Fernandez Perez, Sonia Ferrando, James Ferrari, Arnaud Ferrari, Pamela Ferrari, Roberto Ferreira de Lima, Danilo Enoque Ferrer, Antonio Ferrere, Didier Ferretti, Claudio Ferretto Parodi, Andrea Fiascaris, Maria Fiedler, Frank Filipčič, Andrej Filipuzzi, Marco Filthaut, Frank Fincke-Keeler, Margret Finelli, Kevin Daniel Fiolhais, Miguel Fiorini, Luca Firan, Ana Fischer, Adam Fischer, Cora Fischer, Julia Fisher, Wade Cameron Fitzgerald, Eric Andrew Flaschel, Nils Fleck, Ivor Fleischmann, Philipp Fleischmann, Sebastian Fletcher, Gareth Thomas Fletcher, Gregory Fletcher, Rob Roy MacGregor Flick, Tobias Floderus, Anders Flores Castillo, Luis Flowerdew, Michael Formica, Andrea Forti, Alessandra Fournier, Daniel Fox, Harald Fracchia, Silvia Francavilla, Paolo Franchini, Matteo Francis, David Franconi, Laura Franklin, Melissa Frate, Meghan Fraternali, Marco Freeborn, David French, Sky Friedrich, Felix Froidevaux, Daniel Frost, James Fukunaga, Chikara Fullana Torregrosa, Esteban Fulsom, Bryan Gregory Fusayasu, Takahiro Fuster, Juan Gabaldon, Carolina Gabizon, Ofir Gabrielli, Alessandro Gabrielli, Andrea Gach, Grzegorz Gadatsch, Stefan Gadomski, Szymon Gagliardi, Guido Gagnon, Pauline Galea, Cristina Galhardo, Bruno Gallas, Elizabeth Gallop, Bruce Gallus, Petr Galster, Gorm Aske Gram Krohn Gan, KK Gao, Jun Gao, Yanyan Gao, Yongsheng Garay Walls, Francisca Garberson, Ford García, Carmen García Navarro, José Enrique Garcia-Sciveres, Maurice Gardner, Robert Garelli, Nicoletta Garonne, Vincent Gatti, Claudio Gaudiello, Andrea Gaudio, Gabriella Gaur, Bakul Gauthier, Lea Gauzzi, Paolo Gavrilenko, Igor Gay, Colin Gaycken, Goetz Gazis, Evangelos Ge, Peng Gecse, Zoltan Gee, Norman Geich-Gimbel, Christoph Geisler, Manuel Patrice Gemme, Claudia Genest, Marie-Hélène Gentile, Simonetta George, Matthias George, Simon Gerbaudo, Davide Gershon, Avi Ghasemi, Sara Ghazlane, Hamid Giacobbe, Benedetto Giagu, Stefano Giangiobbe, Vincent Giannetti, Paola Gibbard, Bruce Gibson, Stephen Gilchriese, Murdock Gillam, Thomas Gillberg, Dag Gilles, Geoffrey Gingrich, Douglas Giokaris, Nikos Giordani, MarioPaolo Giorgi, Filippo Maria Giorgi, Francesco Michelangelo Giraud, Pierre-Francois Giromini, Paolo Giugni, Danilo Giuliani, Claudia Giulini, Maddalena Gjelsten, Børge Kile Gkaitatzis, Stamatios Gkialas, Ioannis Gkougkousis, Evangelos Leonidas Gladilin, Leonid Glasman, Claudia Glatzer, Julian Glaysher, Paul Glazov, Alexandre Goblirsch-Kolb, Maximilian Goddard, Jack Robert Godlewski, Jan Goldfarb, Steven Golling, Tobias Golubkov, Dmitry Gomes, Agostinho Gonçalo, Ricardo Goncalves Pinto Firmino Da Costa, Joao Gonella, Laura González de la Hoz, Santiago Gonzalez Parra, Garoe Gonzalez-Sevilla, Sergio Goossens, Luc Gorbounov, Petr Andreevich Gordon, Howard Gorelov, Igor Gorini, Benedetto Gorini, Edoardo Gorišek, Andrej Gornicki, Edward Goshaw, Alfred Gössling, Claus Gostkin, Mikhail Ivanovitch Goujdami, Driss Goussiou, Anna Govender, Nicolin Gozani, Eitan Grabas, Herve Marie Xavier Graber, Lars Grabowska-Bold, Iwona Gradin, Per Olov Joakim Grafström, Per Grahn, Karl-Johan Gramling, Johanna Gramstad, Eirik Grancagnolo, Sergio Gratchev, Vadim Gray, Heather Graziani, Enrico Greenwood, Zeno Dixon Gregersen, Kristian Gregor, Ingrid-Maria Grenier, Philippe Griffiths, Justin Grillo, Alexander Grimm, Kathryn Grinstein, Sebastian Gris, Philippe Luc Yves Grivaz, Jean-Francois Grohs, Johannes Philipp Grohsjean, Alexander Gross, Eilam Grosse-Knetter, Joern Grossi, Giulio Cornelio Grout, Zara Jane Guan, Liang Guenther, Jaroslav Guescini, Francesco Guest, Daniel Gueta, Orel Guido, Elisa Guillemin, Thibault Guindon, Stefan Gul, Umar Gumpert, Christian Guo, Jun Guo, Yicheng Gupta, Shaun Gustavino, Giuliano Gutierrez, Phillip Gutierrez Ortiz, Nicolas Gilberto Gutschow, Christian Guyot, Claude Gwenlan, Claire Gwilliam, Carl Haas, Andy Haber, Carl Hadavand, Haleh Khani Haddad, Nacim Haefner, Petra Hageböck, Stephan Hajduk, Zbigniew Hakobyan, Hrachya Haleem, Mahsana Haley, Joseph Hall, David Halladjian, Garabed Hallewell, Gregory David Hamacher, Klaus Hamal, Petr Hamano, Kenji Hamilton, Andrew Hamity, Guillermo Nicolas Hamnett, Phillip George Han, Liang Hanagaki, Kazunori Hanawa, Keita Hance, Michael Hanke, Paul Hanna, Remie Hansen, Jørgen Beck Hansen, Jorn Dines Hansen, Maike Christina Hansen, Peter Henrik Hara, Kazuhiko Hard, Andrew Harenberg, Torsten Hariri, Faten Harkusha, Siarhei Harrington, Robert Harrison, Paul Fraser Hartjes, Fred Hasegawa, Makoto Hasegawa, Satoshi Hasegawa, Yoji Hasib, A Hassani, Samira Haug, Sigve Hauser, Reiner Hauswald, Lorenz Havranek, Miroslav Hawkes, Christopher Hawkings, Richard John Hawkins, Anthony David Hayashi, Takayasu Hayden, Daniel Hays, Chris Hays, Jonathan Michael Hayward, Helen Haywood, Stephen Head, Simon Heck, Tobias Hedberg, Vincent Heelan, Louise Heim, Sarah Heim, Timon Heinemann, Beate Heinrich, Lukas Hejbal, Jiri Helary, Louis Hellman, Sten Hellmich, Dennis Helsens, Clement Henderson, James Henderson, Robert Heng, Yang Hengler, Christopher Henrichs, Anna Henriques Correia, Ana Maria Henrot-Versille, Sophie Herbert, Geoffrey Henry Hernández Jiménez, Yesenia Herrberg-Schubert, Ruth Herten, Gregor Hertenberger, Ralf Hervas, Luis Hesketh, Gavin Grant Hessey, Nigel Hetherly, Jeffrey Wayne Hickling, Robert Higón-Rodriguez, Emilio Hill, Ewan Hill, John Hiller, Karl Heinz Hillier, Stephen Hinchliffe, Ian Hines, Elizabeth Hinman, Rachel Reisner Hirose, Minoru Hirschbuehl, Dominic Hobbs, John Hod, Noam Hodgkinson, Mark Hodgson, Paul Hoecker, Andreas Hoeferkamp, Martin Hoenig, Friedrich Hohlfeld, Marc Hohn, David Holmes, Tova Ray Homann, Michael Hong, Tae Min Hooft van Huysduynen, Loek Hopkins, Walter Horii, Yasuyuki Horton, Arthur James Hostachy, Jean-Yves Hou, Suen Hoummada, Abdeslam Howard, Jacob Howarth, James Hrabovsky, Miroslav Hristova, Ivana Hrivnac, Julius Hryn'ova, Tetiana Hrynevich, Aliaksei Hsu, Catherine Hsu, Pai-hsien Jennifer Hsu, Shih-Chieh Hu, Diedi Hu, Qipeng Hu, Xueye Huang, Yanping Hubacek, Zdenek Hubaut, Fabrice Huegging, Fabian Huffman, Todd Brian Hughes, Emlyn Hughes, Gareth Huhtinen, Mika Hülsing, Tobias Alexander Huseynov, Nazim Huston, Joey Huth, John Iacobucci, Giuseppe Iakovidis, Georgios Ibragimov, Iskander Iconomidou-Fayard, Lydia Ideal, Emma Idrissi, Zineb Iengo, Paolo Igonkina, Olga Iizawa, Tomoya Ikegami, Yoichi Ikematsu, Katsumasa Ikeno, Masahiro Ilchenko, Iurii Iliadis, Dimitrios Ilic, Nikolina Ince, Tayfun Introzzi, Gianluca Ioannou, Pavlos Iodice, Mauro Iordanidou, Kalliopi Ippolito, Valerio Irles Quiles, Adrian Isaksson, Charlie Ishino, Masaya Ishitsuka, Masaki Ishmukhametov, Renat Issever, Cigdem Istin, Serhat Iturbe Ponce, Julia Mariana Iuppa, Roberto Ivarsson, Jenny Iwanski, Wieslaw Iwasaki, Hiroyuki Izen, Joseph Izzo, Vincenzo Jabbar, Samina Jackson, Brett Jackson, Matthew Jackson, Paul Jaekel, Martin Jain, Vivek Jakobs, Karl Jakobsen, Sune Jakoubek, Tomas Jakubek, Jan Jamin, David Olivier Jana, Dilip Jansen, Eric Jansky, Roland Janssen, Jens Janus, Michel Jarlskog, Göran Javadov, Namig Javůrek, Tomáš Jeanty, Laura Jejelava, Juansher Jeng, Geng-yuan Jennens, David Jenni, Peter Jentzsch, Jennifer Jeske, Carl Jézéquel, Stéphane Ji, Haoshuang Jia, Jiangyong Jiang, Yi Jiggins, Stephen Jimenez Pena, Javier Jin, Shan Jinaru, Adam Jinnouchi, Osamu Joergensen, Morten Dam Johansson, Per Johns, Kenneth Jon-And, Kerstin Jones, Graham Jones, Roger Jones, Tim Jongmanns, Jan Jorge, Pedro Joshi, Kiran Daniel Jovicevic, Jelena Ju, Xiangyang Jung, Christian Jussel, Patrick Juste Rozas, Aurelio Kaci, Mohammed Kaczmarska, Anna Kado, Marumi Kagan, Harris Kagan, Michael Kahn, Sebastien Jonathan Kajomovitz, Enrique Kalderon, Charles William Kama, Sami Kamenshchikov, Andrey Kanaya, Naoko Kaneti, Steven Kantserov, Vadim Kanzaki, Junichi Kaplan, Benjamin Kaplan, Laser Seymour Kapliy, Anton Kar, Deepak Karakostas, Konstantinos Karamaoun, Andrew Karastathis, Nikolaos Kareem, Mohammad Jawad Karentzos, Efstathios Karnevskiy, Mikhail Karpov, Sergey Karpova, Zoya Karthik, Krishnaiyengar Kartvelishvili, Vakhtang Karyukhin, Andrey Kashif, Lashkar Kass, Richard Kastanas, Alex Kataoka, Yousuke Kato, Chikuma Katre, Akshay Katzy, Judith Kawagoe, Kiyotomo Kawamoto, Tatsuo Kawamura, Gen Kazama, Shingo Kazanin, Vassili Keeler, Richard Kehoe, Robert Keller, John Kempster, Jacob Julian Keoshkerian, Houry Kepka, Oldrich Kerševan, Borut Paul Kersten, Susanne Keyes, Robert Khalil-zada, Farkhad Khandanyan, Hovhannes Khanov, Alexander Kharlamov, Alexey Khoo, Teng Jian Khovanskiy, Valery Khramov, Evgeniy Khubua, Jemal Kido, Shogo Kim, Hee Yeun Kim, Shinhong Kim, Young-Kee Kimura, Naoki Kind, Oliver Maria King, Barry King, Matthew King, Samuel Burton Kirk, Julie Kiryunin, Andrey Kishimoto, Tomoe Kisielewska, Danuta Kiss, Florian Kiuchi, Kenji Kivernyk, Oleh Kladiva, Eduard Klein, Matthew Henry Klein, Max Klein, Uta Kleinknecht, Konrad Klimek, Pawel Klimentov, Alexei Klingenberg, Reiner Klinger, Joel Alexander Klioutchnikova, Tatiana Kluge, Eike-Erik Kluit, Peter Kluth, Stefan Knapik, Joanna Kneringer, Emmerich Knoops, Edith Knue, Andrea Kobayashi, Aine Kobayashi, Dai Kobayashi, Tomio Kobel, Michael Kocian, Martin Kodys, Peter Koffas, Thomas Koffeman, Els Kogan, Lucy Anne Kohlmann, Simon Kohout, Zdenek Kohriki, Takashi Koi, Tatsumi Kolanoski, Hermann Koletsou, Iro Komar, Aston Komori, Yuto Kondo, Takahiko Kondrashova, Nataliia Köneke, Karsten König, Adriaan Kono, Takanori Konoplich, Rostislav Konstantinidis, Nikolaos Kopeliansky, Revital Koperny, Stefan Köpke, Lutz Kopp, Anna Katharina Korcyl, Krzysztof Kordas, Kostantinos Korn, Andreas Korol, Aleksandr Korolkov, Ilya Korolkova, Elena Kortner, Oliver Kortner, Sandra Kosek, Tomas Kostyukhin, Vadim Kotov, Vladislav Kotwal, Ashutosh 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Loginov, Andrey Lohse, Thomas Lohwasser, Kristin Lokajicek, Milos Long, Brian Alexander Long, Jonathan David Long, Robin Eamonn Looper, Kristina Anne Lopes, Lourenco Lopez Mateos, David Lopez Paredes, Brais Lopez Paz, Ivan Lorenz, Jeanette Lorenzo Martinez, Narei Losada, Marta Loscutoff, Peter Lösel, Philipp Jonathan Lou, XinChou Lounis, Abdenour Love, Jeremy Love, Peter Lu, Nan Lubatti, Henry Luci, Claudio Lucotte, Arnaud Luehring, Frederick Lukas, Wolfgang Luminari, Lamberto Lundberg, Olof Lund-Jensen, Bengt Lynn, David Lysak, Roman Lytken, Else Ma, Hong Ma, Lian Liang Maccarrone, Giovanni Macchiolo, Anna Macdonald, Calum Michael Maček, Boštjan Machado Miguens, Joana Macina, Daniela Madaffari, Daniele Madar, Romain Maddocks, Harvey Jonathan Mader, Wolfgang Madsen, Alexander Maeda, Junpei Maeland, Steffen Maeno, Tadashi Maevskiy, Artem Magradze, Erekle Mahboubi, Kambiz Mahlstedt, Joern Maiani, Camilla Maidantchik, Carmen Maier, Andreas Alexander Maier, Thomas Maio, Amélia Majewski, 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James Mueller, Ralph Soeren Peter Mueller, Thibaut Muenstermann, Daniel Mullen, Paul Mullier, Geoffrey Murillo Quijada, Javier Alberto Murray, Bill Musheghyan, Haykuhi Musto, Elisa Myagkov, Alexey Myska, Miroslav Nachman, Benjamin Philip Nackenhorst, Olaf Nadal, Jordi Nagai, Koichi Nagai, Ryo Nagai, Yoshikazu Nagano, Kunihiro Nagarkar, Advait Nagasaka, Yasushi Nagata, Kazuki Nagel, Martin Nagy, Elemer Nairz, Armin Michael Nakahama, Yu Nakamura, Koji Nakamura, Tomoaki Nakano, Itsuo Namasivayam, Harisankar Naranjo Garcia, Roger Felipe Narayan, Rohin Narrias Villar, Daniel Isaac Naumann, Thomas Navarro, Gabriela Nayyar, Ruchika Neal, Homer Nechaeva, Polina Neep, Thomas James Nef, Pascal Daniel Negri, Andrea Negrini, Matteo Nektarijevic, Snezana Nellist, Clara Nelson, Andrew Nemecek, Stanislav Nemethy, Peter Nepomuceno, Andre Asevedo Nessi, Marzio Neubauer, Mark Neumann, Manuel Neves, Ricardo Nevski, Pavel Newman, Paul Nguyen, Duong Hai Nickerson, Richard Nicolaidou, Rosy Nicquevert, 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Francesca Pásztor, Gabriella Pataraia, Sophio Patel, Nikhul Pater, Joleen Pauly, Thilo Pearce, James Pearson, Benjamin Pedersen, Lars Egholm Pedersen, Maiken Pedraza Lopez, Sebastian Pedro, Rute Peleganchuk, Sergey Pelikan, Daniel Penc, Ondrej Peng, Cong Peng, Haiping Penning, Bjoern Penwell, John Perepelitsa, Dennis Perez Codina, Estel Pérez García-Estañ, María Teresa Perini, Laura Pernegger, Heinz Perrella, Sabrina Peschke, Richard Peshekhonov, Vladimir Peters, Krisztian Peters, Yvonne Petersen, Brian Petersen, Troels Petit, Elisabeth Petridis, Andreas Petridou, Chariclia Petroff, Pierre Petrolo, Emilio Petrucci, Fabrizio Pettersson, Nora Emilia Pezoa, Raquel Phillips, Peter William Piacquadio, Giacinto Pianori, Elisabetta Picazio, Attilio Piccaro, Elisa Piccinini, Maurizio Pickering, Mark Andrew Piegaia, Ricardo Pignotti, David Pilcher, James Pilkington, Andrew Pina, João Antonio Pinamonti, Michele Pinfold, James Pingel, Almut Pires, Sylvestre Pirumov, Hayk Pitt, Michael Pizio, 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Giuseppe Salamon, Andrea Salazar Loyola, Javier Esteban Saleem, Muhammad Salek, David Sales De Bruin, Pedro Henrique Salihagic, Denis Salnikov, Andrei Salt, José Salvatore, Daniela Salvatore, Pasquale Fabrizio Salvucci, Antonio Salzburger, Andreas Sammel, Dirk Sampsonidis, Dimitrios Sanchez, Arturo Sánchez, Javier Sanchez Martinez, Victoria Sandaker, Heidi Sandbach, Ruth Laura Sander, Heinz Georg Sanders, Michiel Sandhoff, Marisa Sandoval, Carlos Sandstroem, Rikard Sankey, Dave Sannino, Mario Sansoni, Andrea Santoni, Claudio Santonico, Rinaldo Santos, Helena Santoyo Castillo, Itzebelt Sapp, Kevin Sapronov, Andrey Saraiva, João Sarrazin, Bjorn Sasaki, Osamu Sasaki, Yuichi Sato, Koji Sauvage, Gilles Sauvan, Emmanuel Savage, Graham Savard, Pierre Sawyer, Craig Sawyer, Lee Saxon, James Sbarra, Carla Sbrizzi, Antonio Scanlon, Tim Scannicchio, Diana Scarcella, Mark Scarfone, Valerio Schaarschmidt, Jana Schacht, Peter Schaefer, Douglas Schaefer, Ralph Schaeffer, Jan Schaepe, Steffen 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Searcy, Jacob Sedov, George Sedykh, Evgeny Seema, Pienpen Seidel, Sally Seiden, Abraham Seifert, Frank Seixas, José Sekhniaidze, Givi Sekhon, Karishma Sekula, Stephen Seliverstov, Dmitry Semprini-Cesari, Nicola Serfon, Cedric Serin, Laurent Serkin, Leonid Serre, Thomas Sessa, Marco Seuster, Rolf Severini, Horst Sfiligoj, Tina Sforza, Federico Sfyrla, Anna Shabalina, Elizaveta Shamim, Mansoora Shan, Lianyou Shang, Ruo-yu Shank, James Shapiro, Marjorie Shatalov, Pavel Shaw, Kate Shaw, Savanna Marie Shcherbakova, Anna Shehu, Ciwake Yusufu Sherwood, Peter Shi, Liaoshan Shimizu, Shima Shimmin, Chase Owen Shimojima, Makoto Shiyakova, Mariya Shmeleva, Alevtina Shoaleh Saadi, Diane Shochet, Mel Shojaii, Seyedruhollah Shrestha, Suyog Shulga, Evgeny Shupe, Michael Shushkevich, Stanislav Sicho, Petr Sidebo, Per Edvin Sidiropoulou, Ourania Sidorov, Dmitri Sidoti, Antonio Siegert, Frank Sijacki, Djordje Silva, José Silver, Yiftah Silverstein, Samuel Simak, Vladislav Simard, Olivier Simic, Ljiljana Simion, Stefan Simioni, Eduard Simmons, Brinick Simon, Dorian Simoniello, Rosa Sinervo, Pekka Sinev, Nikolai Sioli, Maximiliano Siragusa, Giovanni Sisakyan, Alexei Sivoklokov, Serguei Sjölin, Jörgen Sjursen, Therese Skinner, Malcolm Bruce Skottowe, Hugh Philip Skubic, Patrick Slater, Mark Slavicek, Tomas Slawinska, Magdalena Sliwa, Krzysztof Smakhtin, Vladimir Smart, Ben Smestad, Lillian Smirnov, Sergei Smirnov, Yury Smirnova, Lidia Smirnova, Oxana Smith, Matthew Smith, Russell Smizanska, Maria Smolek, Karel Snesarev, Andrei Snidero, Giacomo Snyder, Scott Sobie, Randall Socher, Felix Soffer, Abner Soh, Dart-yin Solans, Carlos Solar, Michael Solc, Jaroslav Soldatov, Evgeny Soldevila, Urmila Solodkov, Alexander Soloshenko, Alexei Solovyanov, Oleg Solovyev, Victor Sommer, Philip Song, Hong Ye Soni, Nitesh Sood, Alexander Sopczak, Andre Sopko, Bruno Sopko, Vit Sorin, Veronica Sosa, David Sosebee, Mark Sotiropoulou, Calliope Louisa Soualah, Rachik Soukharev, Andrey South, David Sowden, 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Vlasak, Michal Vogel, Marcelo Vokac, Petr Volpi, Guido Volpi, Matteo von der Schmitt, Hans von Radziewski, Holger von Toerne, Eckhard Vorobel, Vit Vorobev, Konstantin Vos, Marcel Voss, Rudiger Vossebeld, Joost Vranjes, Nenad Vranjes Milosavljevic, Marija Vrba, Vaclav Vreeswijk, Marcel Vuillermet, Raphael Vukotic, Ilija Vykydal, Zdenek Wagner, Peter Wagner, Wolfgang Wahlberg, Hernan Wahrmund, Sebastian Wakabayashi, Jun Walder, James Walker, Rodney Walkowiak, Wolfgang Wang, Chao Wang, Fuquan Wang, Haichen Wang, Hulin Wang, Jike Wang, Jin Wang, Kuhan Wang, Rui Wang, Song-Ming Wang, Tan Wang, Tingting Wang, Xiaoxiao Wanotayaroj, Chaowaroj Warburton, Andreas Ward, Patricia Wardrope, David Robert Washbrook, Andrew Wasicki, Christoph Watkins, Peter Watson, Alan Watson, Ian Watson, Miriam Watts, Gordon Watts, Stephen Waugh, Ben Webb, Samuel Weber, Michele Weber, Stefan Wolf Webster, Jordan S Weidberg, Anthony Weinert, Benjamin Weingarten, Jens Weiser, Christian Weits, Hartger Wells, Phillippa Wenaus, Torre Wengler, Thorsten Wenig, Siegfried Wermes, Norbert Werner, Matthias Werner, Per Wessels, Martin Wetter, Jeffrey Whalen, Kathleen Wharton, Andrew Mark White, Andrew White, Martin White, Ryan White, Sebastian Whiteson, Daniel Wickens, Fred Wiedenmann, Werner Wielers, Monika Wienemann, Peter Wiglesworth, Craig Wiik-Fuchs, Liv Antje Mari Wildauer, Andreas Wilkens, Henric George Williams, Hugh Williams, Sarah Willis, Christopher Willocq, Stephane Wilson, Alan Wilson, John Wingerter-Seez, Isabelle Winklmeier, Frank Winter, Benedict Tobias Wittgen, Matthias Wittkowski, Josephine Wollstadt, Simon Jakob Wolter, Marcin Wladyslaw Wolters, Helmut Wosiek, Barbara Wotschack, Jorg Woudstra, Martin Wozniak, Krzysztof Wu, Mengqing Wu, Miles Wu, Sau Lan Wu, Xin Wu, Yusheng Wyatt, Terry Richard Wynne, Benjamin Xella, Stefania Xu, Da Xu, Lailin Yabsley, Bruce Yacoob, Sahal Yakabe, Ryota Yamada, Miho Yamaguchi, Daiki Yamaguchi, Yohei Yamamoto, Akira Yamamoto, Shimpei Yamanaka, Takashi Yamauchi, Katsuya Yamazaki, Yuji Yan, Zhen Yang, Haijun Yang, Hongtao Yang, Yi Yao, Weiming Yasu, Yoshiji Yatsenko, Elena Yau Wong, Kaven Henry Ye, Jingbo Ye, Shuwei Yeletskikh, Ivan Yen, Andy L Yildirim, Eda Yorita, Kohei Yoshida, Rikutaro Yoshihara, Keisuke Young, Charles Young, Christopher John Youssef, Saul Yu, David Ren-Hwa Yu, Jaehoon Yu, Jiaming Yu, Jie Yuan, Li Yuen, Stephanie P Yurkewicz, Adam Yusuff, Imran Zabinski, Bartlomiej Zaidan, Remi Zaitsev, Alexander Zalieckas, Justas Zaman, Aungshuman Zambito, Stefano Zanello, Lucia Zanzi, Daniele Zeitnitz, Christian Zeman, Martin Zemla, Andrzej Zeng, Qi Zengel, Keith Zenin, Oleg Ženiš, Tibor Zerwas, Dirk Zhang, Dongliang Zhang, Fangzhou Zhang, Huijun Zhang, Jinlong Zhang, Lei Zhang, Ruiqi Zhang, Xueyao Zhang, Zhiqing Zhao, Xiandong Zhao, Yongke Zhao, Zhengguo Zhemchugov, Alexey Zhong, Jiahang Zhou, Bing Zhou, Chen Zhou, Lei Zhou, Li Zhou, Ning Zhu, Cheng Guang Zhu, Hongbo Zhu, Junjie Zhu, Yingchun Zhuang, Xuai Zhukov, Konstantin Zibell, Andre Zieminska, Daria Zimine, Nikolai Zimmermann, Christoph Zimmermann, Stephanie Zinonos, Zinonas Zinser, Markus Ziolkowski, Michael Živković, Lidija Zobernig, Georg Zoccoli, Antonio zur Nedden, Martin Zurzolo, Giovanni Zwalinski, Lukasz JHEP 10.1007/JHEP10(2015)054 054 10 exotics supersymmetry particle and resonance production experimental results 2015 2015-10-08 A summary is presented of ATLAS searches for gluinos and first- and second-generation squarks in final states containing jets and missing transverse momentum, with or without leptons or $b$-jets, in the $\sqrt{s}$ = 8 TeV data set collected at the Large Hadron Collider in 2012. This paper reports the results of new interpretations and statistical combinations of previously published analyses, as well as a new analysis.  Since no significant excess of events over the Standard Model expectation is observed, the data are used to set limits in a variety of models.   In all the considered simplified models that assume R-parity conservation, the limit on the gluino mass exceeds 1150 GeV at 95% confidence level, for an LSP mass smaller than 100 GeV. Furthermore, exclusion limits are set for left-handed squarks in a phenomenological MSSM model, a minimal Supergravity/Constrained MSSM model, R-parity-violation scenarios, a minimal gauge-mediated supersymmetry breaking model, a natural gauge mediation model, a non-universal Higgs mass model with gaugino mediation and a minimal model of universal extra dimensions. JHEP 10.1007/JHEP10(2015)134 134 10 supersymmetry particle and resonance production experimental results 2015 2015-10-21 A summary of the constraints from the ATLAS experiment on $R$-parity conserving supersymmetry is presented. Results from 22 separate ATLAS searches are considered, each based on analysis of up to 20.3 fb$^{-1}$ of proton-proton collision data at the centre-of-mass energy of $\sqrt{s}$ = 7 and 8 TeV at the Large Hadron Collider.  The results are interpreted in the context of the 19-parameter phenomenological minimal supersymmetric standard model, in which the lightest supersymmetric particle is a neutralino, taking into account constraints from previous precision electroweak and flavour measurements as well as from dark matter related measurements.  The results are presented in terms of constraints on supersymmetric particle masses and are compared to limits from simplified models. The impact of ATLAS searches on parameters such as the dark matter relic density, the couplings of the observed Higgs boson, and the degree of electroweak fine-tuning is also shown.  Spectra for surviving supersymmetry model points with low fine-tunings are presented. Fawcett, William James PoS 081 LeptonPhoton2015 phenomenological-MSSM Summary SUSY 2016 2016 A summary of the ATLAS collaboration's sensitivity to $R$-parity conserving supersymmetry is presented. A total of 22 beyond-the-Standard-Model searches for exotic particles, heavy Higgs bosons and supersymmetric partner particles have been combined to test the validity of a large class of supersymmetric scenarios. In this selection of models, all relevant dark matter, heavy flavour and precision electroweak measurements have been taken into account. The results of these searches are interpreted in the 19-parameter phenomenological-MSSM, and allow one to see where there is room for new physics still to be hiding, in some cases at surprisingly low masses. This is the first time such a large-scale study of this kind has been attempted by an LHC collaboration. Keller, John Stakely A search for the neutral Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM), produced in proton-proton collisions recorded by the ATLAS detector, is pre-sented. The data correspond to an integrated luminosity of 20.3 fb −1 , with a center of mass energy of 8 TeV. The search focuses on final states where the Higgs bosons decay into a τ+ τ− pair, with one τ lepton decaying leptonically and the other hadronically. Two analyses are performed which separately target low-mass and high-mass Higgs bosons, with the former divided into two sub-channels based on the presence or absence of a b-jet in final state. No evidence of new Higgs bosons is found, and upper limits are set on the cross-section times branching ratio of such Higgs bosons, and on the MSSM parameters m A and tanβ. Higgs BSM MSSM tautau 2015 2015 A search for neutral Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM) decaying to a pair of $\tau$ leptons is performed using a data sample corresponding to an integrated luminosity of 3.2 fb$^{-1}$ from $\sqrt{s} = 13$ TeV proton-proton collisions recorded by the ATLAS detector at the LHC. The heavy resonance produced via gluon-fusion or $b$-associated production is assumed to decay to a $\tau^+ \tau^-$ pair with at least one $\tau$ lepton decaying hadronically. The search is performed in the mass range of 200 GeV - 1.2 TeV. The data are in good agreement with the background predicted by the Standard Model and hence results are given in terms of upper limits on the production cross section times branching fraction of a scalar boson as a function of its mass. The results are interpreted in a range of MSSM scenarios. The most stringent constraints on $\tan\beta$ for the search excludes $\tan\beta > 10$ for $m_A = 200$ GeV. This analysis improves on the limits of the previous ATLAS analysis, based on data collected at $\sqrt{s}=8$ TeV, for the mass range $m_A > 700$ GeV. Casado, Maria Pilar BSM Higgs Higgs ATLAS CMS LHC HIGGS 2016 2016 Searches for Beyond the Standard Model (BSM) Higgs processes in the context of Minimal Supersymmetric Standard Model (MSSM) and Next to MSSM (NMSSM) are presented. The results are based on the first LHC run of pp collision data recorded by the ATLAS and CMS experiments at the CERN Large Hadron Collider at centre-of-mass energies of 7 and 8 TeV, corresponding to an integrated luminosity of about 5 and 20 fb-1 respectively. Current searches constrain large parts of the parameter space. No evidence for BSM Higgs is found. Casado, M.P. 2016 2016 Searches for Beyond the Standard Model Higgs processes in the context of Minimal Supersymmetric Standard Model and Next to MSSM are presented. The results are based on the first LHC run of pp collision data recorded by the ATLAS and CMS experiments at the CERN Large Hadron Collider at centre-of-mass energies of 7 and 8 TeV, corresponding to integrated luminosities of about 5 and 20 fb$^{-1}$ respectively. Current searches constrain large parts of the parameter space. No evidence for BSM Higgs is found. Aaboud, Morad Aad, Georges Abbott, Brad Abdallah, Jalal Abdinov, Ovsat Abeloos, Baptiste Aben, Rosemarie AbouZeid, Ossama Abraham, Nicola Abramowicz, Halina Abreu, Henso Abreu, Ricardo Abulaiti, Yiming Acharya, Bobby Samir Adachi, Shunsuke Adamczyk, Leszek Adams, David Adelman, Jahred Adomeit, Stefanie Adye, Tim Affolder, Tony Agatonovic-Jovin, Tatjana Agricola, Johannes Aguilar-Saavedra, Juan Antonio Ahlen, Steven Ahmadov, Faig Aielli, Giulio Akerstedt, Henrik Åkesson, Torsten Paul Ake Akimov, Andrei Alberghi, Gian Luigi Albert, Justin Albrand, Solveig Alconada Verzini, Maria Josefina Aleksa, Martin Aleksandrov, Igor Alexa, Calin Alexander, Gideon Alexopoulos, Theodoros Alhroob, Muhammad Ali, Babar Aliev, Malik Alimonti, Gianluca Alison, John Alkire, Steven Patrick Allbrooke, Benedict Allen, Benjamin William Allport, Phillip Aloisio, Alberto Alonso, Alejandro Alonso, Francisco Alpigiani, Cristiano Alshehri, Azzah Aziz Alstaty, Mahmoud Alvarez Gonzalez, Barbara Άlvarez Piqueras, Damián 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Alexander Bertsche, Carolyn Bertsche, David Besjes, Geert-Jan Bessidskaia Bylund, Olga Bessner, Martin Florian Besson, Nathalie Betancourt, Christopher Bethani, Agni Bethke, Siegfried Bevan, Adrian John Bianchi, Riccardo-Maria Bianchini, Louis Bianco, Michele Biebel, Otmar Biedermann, Dustin Bielski, Rafal Biesuz, Nicolo Vladi Biglietti, Michela Bilbao De Mendizabal, Javier Billoud, Thomas Remy Victor Bilokon, Halina Bindi, Marcello Binet, Sebastien Bingul, Ahmet Bini, Cesare Biondi, Silvia Bisanz, Tobias Bjergaard, David Martin Black, Curtis Black, James Black, Kevin Blackburn, Daniel Blair, Robert Blanchard, Jean-Baptiste Blazek, Tomas Bloch, Ingo Blocker, Craig Blue, Andrew Blum, Walter Blumenschein, Ulrike Blunier, Sylvain Bobbink, Gerjan Bobrovnikov, Victor Bocchetta, Simona Serena Bocci, Andrea Bock, Christopher Boehler, Michael Boerner, Daniela Bogaerts, Joannes Andreas Bogavac, Danijela Bogdanchikov, Alexander Bohm, Christian Boisvert, Veronique Bokan, Petar Bold, Tomasz 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Bryant, Patrick Bryngemark, Lene Buanes, Trygve Buat, Quentin Buchholz, Peter Buckley, Andrew Budagov, Ioulian Buehrer, Felix Bugge, Magnar Kopangen Bulekov, Oleg Bullock, Daniel Burckhart, Helfried Burdin, Sergey Burgard, Carsten Daniel Burghgrave, Blake Burka, Klaudia Burke, Stephen Burmeister, Ingo Burr, Jonathan Thomas Peter Busato, Emmanuel Büscher, Daniel Büscher, Volker Bussey, Peter Butler, John Buttar, Craig Butterworth, Jonathan Butti, Pierfrancesco Buttinger, William Buzatu, Adrian Buzykaev, Aleksey Cabrera Urbán, Susana Caforio, Davide Cairo, Valentina Cakir, Orhan Calace, Noemi Calafiura, Paolo Calandri, Alessandro Calderini, Giovanni Calfayan, Philippe Callea, Giuseppe Caloba, Luiz Calvente Lopez, Sergio Calvet, David Calvet, Samuel Calvet, Thomas Philippe Camacho Toro, Reina Camarda, Stefano Camarri, Paolo Cameron, David Caminal Armadans, Roger Camincher, Clement Campana, Simone Campanelli, Mario Camplani, Alessandra Campoverde, Angel Canale, Vincenzo Canepa, Anadi Cano Bret, Marc Cantero, Josu Cao, Tingting Capeans Garrido, Maria Del Mar Caprini, Irinel Caprini, Mihai Capua, Marcella Carbone, Ryne Michael Cardarelli, Roberto Cardillo, Fabio Carli, Ina Carli, Tancredi Carlino, Gianpaolo Carminati, Leonardo Caron, Sascha Carquin, Edson Carrillo-Montoya, German D Carter, Janet Carvalho, João Casadei, Diego Casado, Maria Pilar Casolino, Mirkoantonio Casper, David William Castaneda-Miranda, Elizabeth Castelijn, Remco Castelli, Angelantonio Castillo Gimenez, Victoria Castro, Nuno Filipe Catinaccio, Andrea Catmore, James Cattai, Ariella Caudron, Julien Cavaliere, Viviana Cavallaro, Emanuele Cavalli, Donatella Cavalli-Sforza, Matteo Cavasinni, Vincenzo Ceradini, Filippo Cerda Alberich, Leonor Cerio, Benjamin Santiago Cerqueira, Augusto Cerri, Alessandro Cerrito, Lucio Cerutti, Fabio Cerv, Matevz Cervelli, Alberto Cetin, Serkant Ali Chafaq, Aziz Chakraborty, Dhiman Chan, Stephen Kam-wah Chan, Yat Long Chang, Philip Chapman, John Derek Charlton, Dave Chatterjee, Avishek Chau, Chav Chhiv Chavez Barajas, Carlos Alberto Che, Siinn Cheatham, Susan Chegwidden, Andrew Chekanov, Sergei Chekulaev, Sergey Chelkov, Gueorgui Chelstowska, Magda Anna Chen, Chunhui Chen, Hucheng Chen, Karen Chen, Shenjian Chen, Shion Chen, Xin Chen, Ye Cheng, Hok Chuen Cheng, Huajie Cheng, Yangyang Cheplakov, Alexander Cheremushkina, Evgenia Cherkaoui El Moursli, Rajaa Chernyatin, Valeriy Cheu, Elliott Chevalier, Laurent Chiarella, Vitaliano Chiarelli, Giorgio Chiodini, Gabriele Chisholm, Andrew Chitan, Adrian Chizhov, Mihail Choi, Kyungeon Chomont, Arthur Rene Chouridou, Sofia Chow, Bonnie Kar Bo Christodoulou, Valentinos Chromek-Burckhart, Doris Chudoba, Jiri Chuinard, Annabelle Julia Chwastowski, Janusz Chytka, Ladislav Ciapetti, Guido Ciftci, Abbas Kenan Cinca, Diane Cindro, Vladimir Cioara, Irina Antonela Ciocca, Claudia Ciocio, Alessandra Cirotto, Francesco Citron, Zvi Hirsh Citterio, Mauro Ciubancan, Mihai Clark, Allan G Clark, Brian Lee Clark, Michael 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Medinnis, Michael Meehan, Samuel Mehlhase, Sascha Mehta, Andrew Meier, Karlheinz Meineck, Christian Meirose, Bernhard Melini, Davide Mellado Garcia, Bruce Rafael Melo, Matej Meloni, Federico Mengarelli, Alberto Menke, Sven Meoni, Evelin Mergelmeyer, Sebastian Mermod, Philippe Merola, Leonardo Meroni, Chiara Merritt, Frank Messina, Andrea Metcalfe, Jessica Mete, Alaettin Serhan Meyer, Carsten Meyer, Christopher Meyer, Jean-Pierre Meyer, Jochen Meyer Zu Theenhausen, Hanno Miano, Fabrizio Middleton, Robin Miglioranzi, Silvia Mijović, Liza Mikenberg, Giora Mikestikova, Marcela Mikuž, Marko Milesi, Marco Milic, Adriana Miller, David Mills, Corrinne Milov, Alexander Milstead, David Minaenko, Andrey Minami, Yuto Minashvili, Irakli Mincer, Allen Mindur, Bartosz Mineev, Mikhail Minegishi, Yuji Ming, Yao Mir, Lluisa-Maria Mistry, Khilesh Mitani, Takashi Mitrevski, Jovan Mitsou, Vasiliki A Miucci, Antonio Miyagawa, Paul Mjörnmark, Jan-Ulf Mlynarikova, Michaela Moa, Torbjoern Mochizuki, Kazuya Mohapatra, Soumya Molander, Simon Moles-Valls, Regina Monden, Ryutaro Mondragon, Matthew Craig Mönig, Klaus Monk, James Monnier, Emmanuel Montalbano, Alyssa Montejo Berlingen, Javier Monticelli, Fernando Monzani, Simone Moore, Roger Morange, Nicolas Moreno, Deywis Moreno Llácer, María Morettini, Paolo Morgenstern, Stefanie Mori, Daniel Mori, Tatsuya Morii, Masahiro Morinaga, Masahiro Morisbak, Vanja Moritz, Sebastian Morley, Anthony Keith Mornacchi, Giuseppe Morris, John Mortensen, Simon Stark Morvaj, Ljiljana Mosidze, Maia Moss, Josh Motohashi, Kazuki Mount, Richard Mountricha, Eleni Moyse, Edward Muanza, Steve Mudd, Richard Mueller, Felix Mueller, James Mueller, Ralph Soeren Peter Mueller, Thibaut Muenstermann, Daniel Mullen, Paul Mullier, Geoffrey Munoz Sanchez, Francisca Javiela Murillo Quijada, Javier Alberto Murray, Bill Musheghyan, Haykuhi Muškinja, Miha Myagkov, Alexey Myska, Miroslav Nachman, Benjamin Philip Nackenhorst, Olaf Nagai, Koichi Nagai, Ryo Nagano, Kunihiro Nagasaka, 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Phys. J. C 10.1140/epjc/s10052-016-4400-6 585 76 Higgs physics particle and resonance production experimental results 2016 2016-10-27 A search for neutral Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM) and for a heavy neutral $Z^{\prime}$ boson is performed using a data sample corresponding to an integrated luminosity of 3.2~fb$^{-1}$ from proton--proton collisions at $\sqrt{s} = 13$~TeV recorded by the ATLAS detector at the LHC. The heavy resonance is assumed to decay to a $\tau^+ \tau^-$ pair with at least one $\tau$ lepton decaying to final states with hadrons and a neutrino. The search is performed in the mass range of 0.2--1.2~TeV for the MSSM neutral Higgs bosons and 0.5--2.5~TeV for the heavy neutral $Z^{\prime}$ boson. The data are in good agreement with the background predicted by the Standard Model and hence results are given as upper limits on the production cross section times branching fraction of the boson decay to $\tau^+\tau^-$ as a function of the boson mass. The results are interpreted in MSSM and $Z^{\prime}$ benchmark scenarios. The most stringent MSSM parameter space constraints for the Higgs boson search exclude at 95\% confidence level (CL) $\tan\beta > 7.6$ for $m_A = 200$~GeV in the $m_{h}^{\textrm{mod+}}$ MSSM scenario. This analysis extends the MSSM limits from previous searches for the mass range $m_A > 500$~GeV. For the Sequential Standard Model, a $Z^{\prime}_\mathrm{SSM}$ mass up to 1.90~TeV is excluded at 95\% CL and masses up to 1.82--2.17~TeV are excluded for a $Z^{\prime}_{\mathrm{SFM}}$ of the Strong Flavour Model. HIGGS MSSM Charged Higgs tau 2016 2016 The experimental observation of charged Higgs bosons, H±, which are predicted by several models with an extended Higgs sector, would indicate physics beyond the Standard Model. This note presents the results of a search for charged Higgs bosons in 14.7 fb−1 of pp collision data at √ s = 13 TeV recorded by the ATLAS detector at the LHC. The search targets the τ+jets channel in top-quark-associated H ± production with a hadronically decaying W boson and τ lepton in the final state. No evidence of a charged Higgs boson is found. For the mass range of mH± = 200 − 2000 GeV, upper limits are set on the production cross section of the charged Higgs boson with the subsequent decay H± → τν in a range of 2.0 − 0.008 pb. HIGGS Supersymmetry BSM Exotics 2016 2016 A search for neutral Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM) is performed using a data sample corresponding to an integrated luminosity of up to 13.3 fb$^{-1}$ from proton--proton collisions at $\sqrt{s} = 13$ TeV recorded by the ATLAS detector at the LHC. The heavy resonance is assumed to decay to a $\tau\tau$ pair with at least one $\tau$ lepton decaying hadronically. The search is performed in the mass range of 0.2-1.2 TeV. The data are in good agreement with the background predicted by the Standard Model, hence results are given as upper limits on the production cross section times branching fraction as a function of the Higgs boson mass. The results are interpreted in MSSM benchmark scenarios. The most stringent MSSM parameter space constraints from the search exclude at 95% confidence level $\tan\beta > 9$ for $m_A = 200$~\GeV\ and $\tan\beta > 50$ for $m_A = 1200$~\GeV\ in the $m_{h}^{\text{mod+}}$ MSSM scenario. Alvarez Piqueras, Damian PoS 10.22323/1.276.0190 190 LHCP2016 Higgs MSSM tau heavy neutral H/A HIGGS 2016 2016 This analysis corresponds to the search of a heavy neutral Higgs boson of the Minimal Supersymmetric extension of the Standard Model (MSSM) decaying to a pair of tau leptons using proton-proton collisions at $\sqrt{s} = 13$ TeV corresponding to an integrated luminosity of 3.2 fb$^{-1}$ recorded by the ATLAS detector for the Run II of the LHC. The analysis focuses on Higgs bosons produced in the mass range between 200 GeV and 1200 GeV by gluon-gluon fusion and associated production with a $b$-quark for which it defines two separated and optimized categories. The analysis is also split according to the tau decay modes, where at least one of the tau leptons decay to hadrons and a tau neutrino. The estimation of the backgrounds is done using data-driven techniques for leading backgrounds (multijet, W+jets) and MC models for other contributions. The analysis was preliminarily released in December 2015 with the reference ATLAS-CONF-2015-061. Abulaiti, Yiming Searches for the supersymmetric partner of the top quark (stop) are motivated by natural supersymmetry, where the stop has to be light to cancel the large radiative corrections to the Higgs boson mass. This thesis presents three different searches for the stop at √s = 8 TeV and √s = 13 TeV using data from the ATLAS experiment at CERN’s Large Hadron Collider. The thesis also includes a study of the primary vertex reconstruction performance in data and simulation at √s = 7 TeV using tt and Z events. All stop searches presented are carried out in final states with a single lepton, four or more jets and large missing transverse energy. A search for direct stop pair production is conducted with 20.3 fb−1 of data at a center-of-mass energy of √s = 8 TeV. Several stop decay scenarios are considered, including those to a top quark and the lightest neutralino and to a bottom quark and the lightest chargino. The sensitivity of the analysis is also studied in the context of various phenomenological MSSM models in which more complex decay scenarios can be present. Two different analyses are carried out at √s = 13 TeV. The first one is a search for both gluino-mediated and direct stop pair production with 3.2 fb−1 of data while the second one is a search for direct stop pair production with 13.2 fb−1 of data in the decay scenario to a bottom quark and the lightest chargino. The results of the analyses show no significant excess over the Standard Model predictions in the observed data. Consequently, exclusion limits are set at 95% CL on the masses of the stop and the lightest neutralino. Bluj, Michal Jacek General 2016 2016 In 2012 the discovery of a new boson with a mass of about 125 GeV and properties in agreement with those expected for the Higgs boson in the standard model was announced. In this note we review the results of searches for the fermionic decays the Higgs boson and the study of its properties performed with the proton-proton collision data recorded by the ATLAS and CMS detectors at the LHC in 2011 and 2012, corresponding to an integrated luminosity of approximately 5~fb$^{-1}$ and approximately 20~fb$^{-1}$ per experiment at $\sqrt{s}=7$~TeV and $\sqrt{s}=8$~TeV, respectively. Decay rates to fermions and extracted couplings are consistent with the expectation of the standard model. In addition, we present a search for lepton flavour violating decays of the Higgs boson which can occur in several extensions of the standard model, and a search for neutral Higgs bosons decaying to tau pairs performed in the context of the minimal supersymmetric extension of the standard model (MSSM). Živković, Lidija PoS 10.22323/1.282.0415 415 ICHEP2016 BSM Higgs NMSSM HIGGS 2016 2016 The next to MSSM theory predicts the existence of a light pseudoscalar boson "a", and the decay of the Higgs boson into a pair of such particles. The search for this model in several final states relative to different decay modes of the "a" particle, is presented using 20.3~fb$^{-1}$ at the $\sqrt{s}=8$~TeV and 3.2~fb$^{-1}$ at the $\sqrt{s}=13$~TeV. Cohen, Hadar This dissertation considers the search for a charged Higgs boson (H±) in proton-proton collisions with centre-of-mass energies of 7 TeV and 8 TeV, using data collected by the ATLAS experiment at the Large Hadron Collider at CERN. The discovery of such a charged Higgs boson would be a clear indication for physics beyond the Standard Model. The first data collected during the LHC Run-I is analysed, searching for a heavy charged Higgs bosons (above the top quark mass). This study covers the gb -> tH± ->ttb where one top-quark decays leptonically and the other decays hadronically. A significant background originating from tt ̄ processes, in addition to others, may conceal the charged Higgs decay in the data. Methods using boosted decision trees to con- strain such backgrounds and provide signal to background discrimination are presented. Upper limits on the production cross section times branching ratio of H± are derived for the mass range of 200 GeV <=mH± <= 600 GeV for six MSSM benchmark scenarios. Sales De Bruin, Pedro Henrique The searches for a Beyond Standard Model (BSM) heavy CP-odd Higgs boson $A$ decaying to $Zh$ in the context of two-Higgs-doublet models (2HDM), and Minimal Supersymmetric Standard Model (MSSM) neutral Higgs bosons $H/A$ decaying to a tau pair are presented. The search for the heavy CP-odd Higgs boson, $A$, is conducted through the $A \rightarrow Zh\rightarrow ll\tau_{lep}\tau_{had}$ decay channel using 20.3 fb$^{-1}$ of proton-proton collision data collected by the ATLAS detector at a center-of-mass of 8 TeV. The search for the neutral MSSM $H/A$ decaying to a tau pair in the lephad $b$-veto final state is done using 3.2 fb$^{-1}$ of protonproton collision data recorded by the ATLAS detector at a center-of-mass of 13 TeV. The observed data agrees with the Standard Model background prediction, and upper limits are set on cross-section times branching ratio of neutral BSM Higgs bosons. Glatzer, Julian In this thesis a search for the neutral Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM) in the h/A/H -> tau_had tau_had decay channel is described. The analysis is based on a sample of proton-proton collisions at a centre-of-mass energy of 7 TeV recorded with the ATLAS detector at the Large Hadron Collider. The data were recorded in 2011 and correspond to an integrated luminosity of 4.7 fb^-1. Final states with two hadronic tau-lepton decays requiring either the presence or absence of b-jets are considered and the selection is optimised for Higgs bosons in b-quark associated and gluon-fusion production. No statistically significant excess over the expected background is observed and exclusion limits at the 95% confidence level are derived in combination with the h/A/H -> mu mu, h/A/H -> tau_e tau_mu and h/A/H -> tau_lep tau_had decay channels. The exclusion limits are shown for the production cross section of a generic neutral Higgs boson, phi, as a function of the Higgs boson mass and for h/H/A production in the MSSM as a function of the parameters m_A and tan(beta) in the m_h-max scenario. Pickering, Mark Andrew 2017 2017-02-16 This thesis outlines the search for neutral Higgs bosons in a mass range of $m_{H/A} = 200\,\mathrm{GeV} - 1.2\,\mathrm{TeV}$, decaying to a pair of hadronically decaying tau leptons. The search is performed using $\sqrt{s} = 13\,\mathrm{TeV}$ proton-proton collision data, corresponding to an integrated luminosity of $3.21\,\mathrm{fb^{-1}}$, recorded by the ATLAS detector. No excess over the predicted Standard Model background is observed and upper limits are placed on the production cross section times branching fraction as a function of the mass of the scalar resonance. When combined with the results of the analysis where one of the tau leptons decays to either a muon or electron, the 95 % confidence level upper limit on the cross section times branching fraction ranges from 1.4 pb at $m_{H/A} = 200\,\mathrm{GeV}$ to 0.025 pb at $m_{H/A} = 1.2\,\mathrm{TeV}$ for a scalar boson produced via gluon-gluon fusion, and 1.6 pb at $m_{H/A} = 200\,\mathrm{GeV}$ to 0.028 pb at $m_{H/A} = 1.2\,\mathrm{TeV}$ for a scalar boson produced via $b$-associated production. The results are interpreted in the Minimal Supersymmetric extension to the Standard Model (MSSM) as a limit on the value of $\,\mathrm{\tan}\beta$, as a function of the mass of the neutral CP-odd MSSM Higgs boson. In the $m_h^{\,\mathrm{mod+}}$ scenario, the 95 % confidence level upper limit is $\,\mathrm{\tan}\beta < 7.6$ for $m_{A} = 200\,\mathrm{GeV}$, and $\,\mathrm{\tan}\beta < 47$ for $m_{A} = 1\,\mathrm{TeV}$. For the mass range $m_{A} > 500\,\mathrm{GeV}$, the upper limit on $\,\mathrm{\tan}\beta$ is improved in comparison to previous ATLAS searches. MSSM Z' tau ditau 2017 2017 A search for neutral Higgs bosons of the Minimal Supersymmetric Standard Model (MSSM) and for heavy neutral $Z^{\prime}$ bosons is performed using a data sample corresponding to an integrated luminosity of 36.1 fb$^{-1}$ from proton-proton collisions at $\sqrt{s}$ = 13 TeV recorded by the ATLAS detector at the LHC during 2015 and 2016. The heavy resonance is assumed to decay to $\tau^+\tau^-$ with at least one tau lepton decaying to final states with hadrons and a neutrino. The search is performed in the mass range of 0.2-2.25 TeV for the MSSM neutral Higgs bosons and 0.2-4.0 TeV for the heavy neutral $Z^{\prime}$ boson. The data are in good agreement with the background predicted by the Standard Model. The results are interpreted in MSSM and $Z^{\prime}$ benchmark scenarios. In the context of the hMSSM scenario, the most stringent limits for the combined search exclude $\tan\beta$ > 1.0 for $m_{A}$ = 0.25 TeV and $\tan\beta$ > 45 for $m_{A}$ = 1.5 TeV at the 95% confidence level (CL). For the Sequential Standard Model, a $Z^{\prime}_\mathrm{SSM}$ mass up to 2.42 TeV is excluded at 95% CL and masses up to 2.25-2.60 TeV are excluded for a $Z^{\prime}_\mathrm{SFM}$ of the Strong Flavour Model. Hauswald, Lorenz For every physics measurement it is essential to precisely know its uncertainty. At the search for neutral MSSM Higgs bosons the decay channel to two tau leptons plays a major role. For this channel the influence of the uncertainty of Monte Carlo generator parameters on the acceptance of the analyses is studied in this thesis. The corresponding uncertainties are found to be in the range of $0$ to $30\,\%$. Physics with tau leptons is exceptionally challenging, because they can decay into hadrons, which, at the Large Hadron Collider, are hardly distinguishable from the overwhelming QCD background. Sophisticated multivariate algorithms aim to identify them correctly. The impact of experimental uncertainties on the outcome of the identification algortihms is subject of the second part of the thesis. The uncertainties obtained are below $7\,\%$. Hauswald, Lorenz There are experimental and theoretical indications that the Standard Model of particle physics, although tremendously successful, is not sufficient to describe the universe, even at energies well below the Planck scale. One of the most promising new theories to resolve major open questions, the Minimal Supersymmetric Standard Model, predicts additional neutral and charged Higgs bosons, among other new particles. For the search of the new heavy neutral bosons, the decay into two hadronically decaying tau leptons is especially interesting, as in large parts of the search parameter space it has the second largest branching ratio while allowing for a considerably better background rejection than the leading decay into $b$-quark pairs. This search, based on proton-proton collisions recorded at $\sqrt{s} = 13\,\mathrm{TeV}$ in 2015 and early 2016 by the ATLAS experiment at the Large Hadron Collider at CERN, is presented in this thesis. No significant deviation from the Standard Model expectation is observed and CL$_\mathrm{s}$ exclusion limits are determined, both model-independent and in various MSSM benchmark scenarios. The MSSM exclusion limits are significantly stronger compared to previous searches, due to the increased collision energy and improvements of the event selection and background estimation techniques. The upper limit on $\tan\beta$ at $95\,\%$ confidence level in the $m_h^{\mathrm{mod}+}$ MSSM benchmark scenario ranges from $10$ at $m_A = 300\,\mathrm{GeV}$ to $48$ at $m_A = 1.2\,\mathrm{TeV}$. Wahrmund, Sebastian The search for additional heavy neutral Higgs bosons predicted in Minimal Supersymmetric Extensions of the Standard Model is presented, using the direct decay channel into two tau leptons which themselves decay hadronically. The study is based on proton-proton collisions recorded in 2011 at a center-of-mass energy of 7 TeV with the ATLAS detector at the Large Hadron Collider at CERN. With a sample size corresponding to an integrated luminosity of $4.5\,\text{fb}^{−1}$, no significant excess above the expected Standard Model background prediction is observed and $\text{CL}_\text{S}$ exclusion limits at a 95% confidence level are evaluated for values of the CP-odd Higgs boson mass mA between 140 GeV to 800 GeV within the context of the $m_\text{h}^{\text{max}}$ and $m^{\text{mod}\pm}_\text{h}$ benchmark scenarios. The results are combined with searches for neutral Higgs h bosons performed using proton-proton collisions at a center-of-mass energy of 8 TeV recorded with the ATLAS detector in 2012, with a corresponding integrated luminosity of $19.5\,\text{fb}^{−1}$. The combination allowed an improvement of the exclusion limit at the order of 1 to 3 units in tan β. Within the context of this study, the structure of additional interactions during a single proton-proton collision (the “underlying event”) in di-jet final states is analyzed using collision data at a center-of-mass energy of 7 TeV recorded with the ATLAS detector in 2010, with a corresponding integrated luminosity of $37\,\text{pb}^{−1}$. The contribution of the underlying event is measured up to an energy scale of 800 GeV and compared to the predictions of various models. For several models, significant deviations compared to the measurements are found and the results are provided for the optimization of simulation algorithms. Muanza, Steve The corner stone of the Standard Model (SM) of Particle Physics is the Higgs mechanism. It explains how the bosons W, Z and H acquire a mass via weak interactions. In addition it explains how the charged fermions also acquire a mass through Yukawa interactions. And on top of this, it regularizes the scattering of longitudinal W and Z bosons at high energy. The discovery of a Higgs boson by the ATLAS and the CMS collaborations in 2012 marked the culminating success of the SM at explaining most of the known phenomena. However a few other phenomena such as the Dark Matter and the Dark energy cannot be explained by the SM particles. What's more, the SM leaves several open questions such as a quest for a quantum theory for gravity, the naturalness in the Higgs sector, a possible Grand Unification,... The common thread in topics presented in this habilitation thesis is the search for manifestations of a TeV scale supersymmetric (SUSY) extension of the Standard Model at particle collider experiments. Among the predictions of such models is the presence of a light Higgs boson as well as the presence of SUSY partners of the SM particles. In the first part of this document I remind the structure of the SM and the MSSM, its minimal supersymmetric extension. In the second part I relate searches for Higgs bosons to which I participated in the L3 experiment for the LEP Run2. In the third part I report a search for SUSY partciles at the TEVATRON Run2 using the D0 detector. In the fourth part I report on recent works concentrating on the ATLAS experiment at the LHC Run1. Firstly, I report on an analysis that uses the Higgs boson as a probe to search for SUSY, secondly I present a new method that I designed for some indirect mass measurements using their production integral charge asymmetry at the LHC. Dedes, Georgios 2008 2008 In this thesis, the discovery potential of the ATLAS experiment at the Large Hadron Collider (LHC) at CERN for the heavy neutral Higgs bosons H/A of the Min- imal Supersymmetric extension of the Standard Model of particle physics (MSSM) in the decay channels H/A → τ + τ − → e/μ + X and H/A → μ+ μ− has been studied. The ATLAS detector is designed to study the full spectrum of the physics phenomena occuring in the proton-proton collisions at 14 TeV center-of-mass energy and to provide answers to the question of the origin of particle masses and of elec- troweak symmetry breaking. For the studies, the ATLAS muon spectrometer plays an important role. The spectrometer allows for a precise muon momentum measure- ment independently of other ATLAS subdetectors. The performance of the muon spectrometer depends strongly on the performance of the muon tracking detectors, the Monitored Drift Tube Chambers (MDT). Computer programs have been developed in order to test and verify the ATLAS muon spectrometer simulation, an essential ingredient for data analysis. In addi- tion, dedicated programs for the monitoring of the quality of the data collected by the muon spectrometer have been developed and tested with data from cosmic ray muons. High-quality cosmic ray muon data have been used for the calibration of the MDT-chambers. A new calibration method, called analytical autocalibration, has been tested. The proposed method achieved the required accuracy of 20 μm in the determination of the space-to-drift-time relationship of the drift tubes of the MDT chambers with only 2000 muon tracks per chamber. Reliable muon detector simulation and calibration are essential for the study of the MSSM Higgs boson decays H/A → τ + τ − → e/μ + X and H/A → μ+ μ− and of the corresponding background processes. The signal selection and background rejection requirements have been optimized for maximum signal significance. The following results have been obtained for different assumptions on the MSSM Higgs boson mass mA and on the ratio tanβ of the vacuum expectation values of the two MSSM Higgs boson doublets: For the decay into τ -pairs, 5σ signal significance is obtained for tanβ 5 and mA = 150 GeV/c2 or for tanβ 25 and mA = 600 GeV/c2 for an integrated luminosity of 30 fb−1 . For the decay into muon pairs, 5σ signal significance is achieved for tanβ 20 and mA = 200 GeV/c2 or for tanβ 60 and mA = 450 GeV/c2 for an integrated luminosity of 30 fb−1 . In addition, the mass of the Higgs boson H/A can be measured in the decay H/A → μ+ μ− exploiting the high muon momentum resolution of the ATLAS detector. The measurement accuracy degrades with increasing mass. A Higgs boson mass of 200 GeV/c2 can be etermined with an accuracy of 2%. Mahboubi, Kambiz ATLAS trigger simulation Higgs jet 2001 2001 The response of the ATLAS calorimeters to electrons, photons and hadrons, in terms of the longitudinal and lateral shower development, is parameterized using the GEANT package and a detailed detector description (DICE). The parameterizations are implemented in the ATLAS Level-1 (LVL1) Calorimeter Trigger fast simulation package which, based on an average detector geometry, simulates the complete chain of the LVL1 calorimeter trigger system. In addition, pile-up effects due to multiple primary interactions are implemented taking into account the shape and time history of the trigger signals. An interface to the fast physics simulation package (ATLFAST) is also developed in order to perform ATLAS physics analysis, including the LVL1 trigger effects, in a consistent way. The simulation tools, the details of the parameterization and the interface are described. The LVL1 jet trigger thresholds corresponding to the current trigger menus are determined within the framework of the fast simulation, and the LVL1 jet trigger rates are estimated. Further, the combination of Et-miss signature with jet and tau triggers is also discussed. A study of the discovery potential of the ATLAS experiment of the neutral MSSM Higgs bosons in the decay channels with multi b-jet final state topologies, namely H -> h,h -> bb,bb and bb,A/H -> bb,bb, is performed. The signal acceptance of the ATLAS LVL1 jet trigger, based on the determined trigger thresholds, is evaluated. Given the dominating jet trigger rates from the QCD multi-jet processes, the b-tagging capability of the LVL2 trigger is essential for the Higgs discovery in these channels. Canonical ATLAS b-tag/mistag efficiencies are applied on reconstructed jets. Finally, 5-sigma discovery contours in the (tan(beta), mA) plane are derived. Álvarez Piqueras, Damián Higgs BSM MSSM 2HDM heavy additional neutral charged HIGGS 2017 2017 Several theories beyond the Standard Model, like the EWS or 2HDM models, predict the existence of high mass neutral or charged Higgs particles. In this presentation the latest ATLAS results on searches for these particles will be discussed. Scutti, Federico A search for the neutral Higgs bosons predicted by the Minimal Supersymmetric Standard Model, h, H and A, is presented in this thesis. It is based on a data sample with an integrated luminosity of Lint = 19.5 fb−1 from proton-proton collisions with a center-of-mass energy of √ s = 8 TeV produced at the LHC and recorded by the ATLAS experiment in 2012. The search is performed in the decay channel with two tau leptons decaying hadronically, h/H/A → τhadτhad. The selection of events is based on the kinematic and topological properties of a heavy neutral Higgs boson produced by bb¯ annihilation and the gluon-gluon fusion production mechanisms. The search significantly improves upon the sensitivity of previous searches, and leads the sensitivity of the h/H/A → ττ combined search, where other tau decay modes are selected in the final state, for signal masses mA & 350 GeV. As no significant excess is found, exclusion limits are set in the space of the two leading-order free parameters of the MSSM, mA and tanβ. After the discovery of a Higgs boson in 2012, with a mass of mH = 125.09 ± 0.24 GeV, new phenomenological scenarios of the MSSM were proposed. In this search, exclusion limits are obtained for these various scenarios in the mass range mA = 170 − 1000 GeV. Model-independent exclusion limits were also obtained for the cross-section of the production of a generic resonance, φ, by bb¯ annihilation and gluon-gluon fusion. Excluded cross-sections at 95% confidence level are as high as σexcl.(bb¯ → φ → ττ) ≈ 4.2 pb and σexcl.(gg → φ → ττ) ≈ 6.8 pb at mφ = 170 GeV and σexcl.(bb¯ → φ → ττ) ≈ 9.2 fb and σexcl.(gg → φ → ττ) ≈ 10 fb at mφ = 1000 GeV. Meyer, Jochen Nuovo Cimento C 10.1393/ncc/i2017-17203-6 203 40 BSM Heavy Higgs Heavy Scalar Charged Higgs 2HDM MSSM HIGGS EXOTICS 2018 2018 The discovery of a Higgs boson with the mass of about 125 GeV completed the particle content predicted by the Standard Model. Even though this model is well-established and consistent with many measurements, it is not capable to solely explain some observations. Many extension addressing this fact introduce additional Higgs-like bosons which can be either neutral, singly-charged or even doubly-charged. The current status of searches based on data of the ATLAS and CMS experiments at the LHC are presented. No indications for such particles were however found. Muckhoff, Verena Alvarez Piqueras, Damian The aim of this thesis is the search for the Standard Model Higgs boson and for additional heavy MSSM Higgs bosons in the $\tau\tau$ channel with the ATLAS detector of the LHC. The search for the Higgs boson predicted by the Standard Model is performed using the full integrated luminosity of the Run 1 of the LHC: 4.5 fb$^{-1}$ of data collected at an energy in the center of mass of 7 TeV and 20.3 fb$^{-1}$ of data collected at an energy in the center of mass of 8 TeV. The analysis enhances the sensitivity to signal events by implementing a Boosted Decision Tree trained on the signal and background models. The BDT score distribution shows an excess of data over the background expectation, with an observed (expected) statistical significance of 4.5 $\sigma$ (3.4 $\sigma$), which provides evidence for the direct coupling of the Higgs boson to fermions. The measured signal strength normalized to the Standard Model expectation of $\mu = 1.43^{+0.43}_{-0.37}$ is consistent with the predicted Yukawa coupling strength in the Standard Model. The search for additional neutral Higgs bosons predicted by the Minimal Super-symmetric extension of the Standard Model is performed using 3.21 fb$^{-1}$ of data collected during the first year of the Run 2 of the LHC, at an energy in the center of mass of 13 TeV. The data is in good agreement with the background predicted by the Standard Model. Therefore, exclusion limits on the cross-section times branching ratio of the different MSSM production modes and on the $\tan \beta -m_A$ space for different MSSM benchmark scenarios are extracted. The most stringent constraints exclude at 95% confidence level $\tan \beta > 7.6 $ for $m_A = 200 $ GeV in the MSSM $m_h^{\textrm{mod+}}$ scenario. Tanaka, Junichi PoS 10.22323/1.340.0217 217 ICHEP2018 Heavy Higgs MSSM 2HDM Type-II HIGGS 2019 2019 Two searches for neutral heavy Higgs: $H/A \rightarrow \tau\tau$ and $A \rightarrow Zh, h \rightarrow b\bar{b}$ are presented with 36.1 fb$^{-1}$ of data at $\sqrt{s} = 13$ TeV recorded by the ATLAS detector at the LHC. There is no statistically significant excess. Upper limits on cross-section times branching fraction and the interpretation of results in the $m_A$-$\tan\beta$ plane are shown within the MSSM. Large areas of high $\tan\beta$ are excluded by $H/A \rightarrow \tau\tau$: $\tan\beta>15$ for $m_A = 1$ TeV in the hMSSM scenario at the 95% confidence level. Mir, Lluisa-Maria Searches charged Higgs BSM HIGGS 2018 2018 Searches for a charged Higgs boson in various decay channels using 36.1 ifb of pp collision data at a centre-of-mass energy of 13 TeV collected with the ATLAS detector at the Large Hadron Collider are presented. No significant excess above the background-only hypothesis is observed and upper limits on the production cross-section times the branching ratio of the charged Higgs boson as a function of its mass are derived. The results are interpreted in benchmark scenarios of the Minimal Supersymmetric Standard Model. HIGGS FUTURE 2018 2018 Estimates of the sensitivity of the search for a heavy neutral Higgs boson in the $\tau\tau$ final state with the full High-Luminosity LHC dataset of 3000 $fb^{-1}$ proton-proton collisions at $\sqrt{s} =$ 14 TeV are presented. These estimates are based on the extrapolation of current results obtained with the 36.1 $fb^{-1}$ ATLAS dataset collected in 2015-2016 at $\sqrt{s} =$ 13 TeV. The expected 95 % CL upper exclusion limits or, in alternative, the expected 5 $\sigma$ discovery reach are presented in terms of cross section times branching fraction of the gluon fusion production and $b$-associated production. In the hypothesis that no signal emerges, results are interpreted in the context of MSSM benchmark scenarios, e.g. in the hMSSM scenario $\tan\beta>1$ is expected to be excluded for the mass range $250< m_A < 350$ GeV. The parameter space with the expected 5 $\sigma$ discovery reach is also shown. The impact of the systematic uncertainties is also discussed. Bailey, Adam PoS 10.22323/1.339.0010 10 339 BSM Neutral Higgs Charged2018 HIGGS 2019 2019 Beyond the standard model theories such as the MSSM and other two-Higgs-doublet-models predict an extended Higgs sector. In some scenarios the additional Higgs bosons can have significant branching ratios to fermions. The ATLAS detector at the LHC has set stringent limits on beyond the standard model Higgs bosons from 36.1 fb$^{ -1}$ of proton-proton collision data collected in Run 2. This report summarises some of the searches for heavy neutral beyond the standard model Higgs bosons in τ and top final states. Peri, Francesco 10.18452/19775 ATLAS CERN Suche Geladenen Higgs Bosonen Search Charged Higgs Bosons 530 Physik 2019 2019 This thesis presents a search for charged Higgs bosons produced in proton–proton collisions at a centre-of-mass energy of 13 TeV, using 36.1 fb$^{−1}$ of data collected by the ATLAS detector at the LHC in 2015 and 2016. The existence of charged Higgs bosons is predicted by various theories Beyond the Standard Model and it is motivated by the inadequacy of the Standard Model to explain some observed experimental phenomena. The work focuses on charged Higgs bosons heavier than the top quark and decaying via $H$± → $tb$. The production in association with a top and a bottom quark ($pp$ → $tbH$$^{±}$) is investigated in the mass range between 200 and 2000 GeV. A final state containing one charged lepton and jets is considered. Multiple kinematic variables are combined using a boosted decision tree (BDT) in order to separate signal and background. The output of the BDT is used to perform a profile likelihood fit of the Monte Carlo predictions to the observed data. No significant excess of events above the expected Standard Model background is observed, therefore upper limits are set for the cross-section of the charged Higgs boson production times the branching fraction of its decay.Limits are also provided for the tanβ parameter of the MSSM, in the m$^{mod-}_{h}$ and hMSSM benchmark scenarios. The work improves the reach of all previous searches, including for the first time masses ranging up to 2000 GeV. Higgs EFT MSSM Couplings STXS cross sections 2020 2020 First combined measurements of the Higgs boson production and decay using up to 139 fb$^{−1}$ of proton–proton collision data at √s = 13 TeV recorded by the ATLAS experiment have recently been performed. This note presents two interpretations of these combined Higgs boson measurements. Measurements targeting Simplified Template Cross Sections in different decay channels are reparameterized in terms of the impact of Standard Model Effective Field Theory (SMEFT) operators and constraints are reported on the corresponding Wilson coefficients. Measurements are furthermore interpreted in several MSSM benchmark scenarios, resulting in constraints on the MSSM parameters ($m_A, \tan β$) that are complementary to those obtained from direct searches for additional Higgs bosons. For all interpretations, no significant deviations from the Standard Model are observed. Akatsuka, Shunichi The Standard Model (SM) of particle physics successfully explains most of the experimental results. Yet, there are some phenomena that cannot be described by the SM, and that implies a new physics beyond the SM. Supersymmetry (SUSY) is one of the natural extensions of the SM, based on boson–fermion symmetry, which predicts existence of a supersymmetric partner for each SM particle. The Minimal Supersymmetric Standard Model (MSSM) with the R-parity conservation is expected to solve several problems in the SM. The masses of the SUSY particles depend on the parameters in the MSSM Lagrangian, which provides various scenarios with different mass spectra. Many scenarios in the MSSM favor the SUSY particles lighter than O(TeV), thus they can be probed by the experiments at the Large Hadron Collider (LHC). The naturalness argument on the Higgs boson mass supports the “Higgsino scenario”, whereas the compatibility of the SUSY particle with the dark matter motivates the “Wino/Bino scenario”. Both of the scenarios predict compressed mass spectra, where the mass of the lightest neutralino \tilde{Chi}^0_1 is close to the masses of the chargino \tilde{Chi}^{\pm}_1 and the second-to-lightest neutralino \tilde{Chi}^0_2. In those scenarios, only low-momentum particles are kinematically allowed to appear in the decay of \tilde{Chi}^0_2 / \tilde{Chi}^{\pm}_1 into \tilde{Chi}^0_1. This thesis presents results of search for electroweak production of \tilde{Chi}^{\pm}_1 , \tilde{Chi}^0_2 and \tilde{Chi}^0_1 with compressed mass spectra. The search uses 139 fb^{−1} of \sqrt{s} = 13 TeV proton--proton collision data at the LHC collected by the ATLAS detector. The search assumes pair production of SUSY particles via electroweak interactions, which decay into the lightest neutralinos \tilde{Chi}^0_1 and SM particles. The lightest neutralinos are invisible in the detector, thus are observed as missing momentum in the transverse direction. The decay process \tilde{Chi}^0_2 \to Z^* \tilde{Chi}^0_1 followed by Z \to ll leads to a characteristic kinematic edge in the spectrum of the invariant mass of the two leptons, at ∆m = m(\tilde{Chi}^0_2) − m(\tilde{Chi}^0_1). The search exploits this feature, using events with two leptons that form a small invariant mass. Events with missing transverse momentum and two same-flavor, oppositely charged leptons are selected, with presence of hadronic activity from initial-state radiation. The compressed mass spectrum expected in the Higgsino and the Wino/Bino scenarios leads to small transverse momentum (pT) of the two leptons. Various new techniques to efficiently reconstruct low-pT leptons, as well as data-driven methods to estimate the backgrounds are applied in the search to enhance the sensitivity for the compressed scenarios. Finally no signals from the MSSM are observed in this search. The data are consistent with predictions from the SM, and the 95% C.L. exclusion limits on the mass of the second-to-lightest neutralino m(\tilde{Chi}^0_2) are set as functions of the mass difference ∆m = m(\tilde{Chi}^0_2) − m(\tilde{Chi}^0_1), for the Higgsino and the Wino/Bino scenarios. For the Higgsino scenario, the lower limits on m(\tilde{Chi}^0_2) is set at 193 GeV for \Delta m = 9.3 GeV, and 92.4 GeV for \Delta m = 2.3 GeV. For the Wino/Bino scenario, two different parameters that produce the same mass spectra are considered. In the first parameter set, the lower limits on m(\tilde{Chi}^0_2) is set at 240 GeV for \Delta m = 7.0 GeV and 92.4 GeV for \Delta m = 1.5 GeV. In the second parameter set, the lower limits on m(\tilde{Chi}^0_2) is set at 241 GeV for \Delta m = 9.0 GeV and 92.4 GeV for \Delta m = 1.7 GeV. Studies using multi-variate analysis techniques for lepton reconstruction are also presented. With including this method, the expected lower limits on m(\tilde{Chi}^0_2) are found to improve by about 15 GeV in the regions with \Delta m larger than 10 GeV, for both parameters sets in the Wino/Bino scenarios. Dyckes, Ian This dissertation presents a search for the electroweak pair-production of charginos and the associated production of charginos and neutralinos in the $B-L$ Minimal Supersymmetric Standard Model with spontaneous $R$-parity violation. The chargino and neutralino each decay via $R$-parity violating couplings to a charged lepton or neutrino and a $W$, $Z$, or Higgs boson. This analysis searches for resonances in the trilepton invariant mass spectrum, targeting events with charginos decaying to three electrons or muons via a leptonically decaying $Z$ boson. The dataset includes $139\;\text{fb}^{-1}$ of $\sqrt{s}=13\;\text{TeV}$ proton-proton collisions produced at the Large Hadron Collider and collected by the ATLAS detector. With no significant excess observed, limits are set on chargino and neutralino masses between $100\;\text{GeV}$ and $1100\;\text{GeV}$, depending on the assumed branching fractions to leptons (electron, muon, or $\tau$-lepton) and bosons ($W$, $Z$, or Higgs). Ye, Hanfei Heavy Higgs bosons Two tau-leptons HDBS 2021 2021 A search for heavy neutral Higgs bosons is performed using the LHC Run 2 data, corresponding to an integrated luminosity of 139 fb$^{-1}$ of proton-proton collisions at $\sqrt{s}=13$ TeV recorded by the ATLAS detector. The heavy resonance search is performed over the mass range 0.2-2.5 TeV in the $\tau^{+}\tau^{-}$ decay with at least one $\tau$-lepton decaying into handronical final states. The data are in good agreement with the Standard Model predictions. Results are interpreted in terms of several MSSM scenarios. Maerker, Max Although the Standard Model of particle physics is one of the most successful and well-tested theories in physics, many extensions to the Standard Model were proposed that aim to resolve its shortcomings. Many of these models extend the Standard Model by adding additional symmetries such as Supersymmetry with one of the simplest being the Minimal Supersymmetric Standard Model (MSSM). Supersymmetric models also require the presence of a second Higgs-doublet field which predicts the existence of additional Higgs bosons. Hence, the search for these additional Higgs bosons provides an important window into investigating physics beyond the Standard Model. In this thesis, the search for additional heavy neutral Higgs bosons $A$ and $H$ decaying into a fully hadronic tau lepton pair is presented based on $139\,\text{fb}^{-1}$ of data taken by the ATLAS detector during the full LHC Run-2 data taking period from 2015 to 2018. Since no significant excess of data with respect to the background estimation was found, the results are presented in terms of $95\,\%$ CL upper exclusion limits on the cross-section times branching ratio for Higgs bosons produced via gluon-gluon fusion and $b$-associated production. Different Higgs boson mass hypotheses are taken into account ranging from $200\,\text{GeV}$ to $2500\,\text{GeV}$. A combination with the semi-leptonic search channel is performed whose exclusion limits are transformed into the $m_{A}$-$\tan\beta$ parameter space of the hMSSM and various $m_{h}^{125}$ benchmark model scenarios. The combined exclusion limit set in the hMSSM model is compared to the previous publications by the ATLAS and CMS collaboration based on early Run-2 data of $36.1\,\text{fb}^{-1}$ and $35.9\,\text{fb}^{-1}$ respectively. Compared to previous exclusion limits set by ATLAS (CMS) for the hMSSM scenario, significant improvements are observed ranging between $11\,\%$ ($10\,\%$) at $m_A=500\,\text{GeV}$ up to $63\,\%$ ($67\,\%$) at $m_A=1200\,\text{GeV}$. In addition to the Higgs boson search, a novel algorithm is presented to identify and select charged particle tracks reconstructed in the ATLAS inner detector originating from hadronic tau lepton decays. The identification of these tracks is an important part of the tau lepton reconstruction and identification at ATLAS and provides information about the decay multiplicity and charge of the tau lepton. By deploying state-of-the-art recurrent neural networks the reconstruction efficiency for tau leptons with a true decay multiplicity of 1 and 3 charged hadrons improves by about $10\,\%$ and $20\,\%$ respectively. With this improvement, the neural networks achieve a reconstruction efficiency close to the maximum efficiency possible. By exploiting the flexibility of the neural networks, they can be optimized for both offline data analysis and fast software trigger applications. Krzysiak, Janina Anna The main focus of this thesis is the search for heavy, neutral Higgs bosons decaying to two tau leptons. The existence of such bosons is predicted by certain Beyond-the-Standard-Model (BSM) models such as Two-Higgs-Doublet Models and the Minimal Supersymmetric Standard Model (MSSM). The search was conducted in the mass range between 200 GeV and 2.5 TeV using proton-proton collision data collected by the ATLAS detector at the LHC in the years 2015-2018 at a center-of-mass energy of 13 TeV. The analysis was split into two rounds. In the first round, the analysis group followed the same strategy as the one used in a previous paper analyzing only 2015 and 2016 data. The author’s main task within the analysis group was to validate the estimation of background contributions with QCD jets misidentified as tau leptons in events where one of the tau leptons decays to leptons and the other one to hadrons and a neutrino (‘$\tau_\text{lep}\tau_\text{had}$ decay channel’). In this analysis round, no evidence of new bosons was found, and new exclusion limits were set on the BSM Higgs boson production cross-section times the branching ratio to two tau leptons (model-independent limit) and on the phase space of two MSSM benchmark scenarios (model-dependent limits). In the second analysis round, improvements were introduced to the analysis strategy. The author’s task was to develop machine learning models for discriminating between signal and background events in the $\tau_\text{lep}\tau_\text{had}$ decay channel. The goal was to obtain a better performance compared to the standard final discriminating variable, the mass variable $m_T^\text{tot}$. Boosted decision trees and mass-parameterized neural networks were trained using mass variables and kinematic variables. Ultimately, the best performance was obtained with boosted decision trees, improving the expected model-independent exclusion limits by up to 67.5% and 28.6% for low-signal-mass events with and without $b$-jets in the final state, respectively. At the time of submitting this thesis, the second analysis round was ongoing. Two additional areas of focus are presented in this thesis. The first is a theoretical examination of the possible link between the Higgs mass fine-tuning problem and the cosmological constant problem, taking into consideration Veltman and Pauli divergence-cancelling conditions, as well as the Standard Model effective field theory. The possible role of BSM Higgs bosons is discussed here. This part of the thesis is the result of a collaboration between the author and Steven Bass. The second area of focus is the validation of ATLAS Monte Carlo samples containing tau leptons. Validation studies included polarization measurements, branching ratio and kinematic variable checks, and comparisons of input variables for the ATLAS tau-lepton-identifying boosted decision tree model. Lorenz, Christian The subject of this thesis is a basic introduction to statistical methods which are frequently used in various scientific fields. Concepts of parameter estimation and hypothesis tests are discussed and finally applied to particle physics. 2023 2023 Measurements of the Higgs boson production and decay rates and differential cross-sections have recently been performed by the ATLAS experiment in several decay channels using up to 139 fb$^{-1}$ of proton-proton collision data at $\sqrt{s}=13$ TeV recorded at the Large Hadron Collider. This note presents multiple interpretations of these Higgs boson measurements. Measurements of production-mode cross-sections, simplified template cross-sections or fiducial differential cross-sections in different decay channels are reparameterised in terms of the impact of Standard Model Effective Field Theory operators, and constraints are reported on the corresponding Wilson coefficients. Production and decay rate measurements are interpreted in UV-complete extensions of the Standard Model, namely the two-Higgs-doublet model (2HDM) near the alignment limit and the Minimal Supersymmetric Standard Model (MSSM) for various MSSM benchmark scenarios. The constraints on the 2HDM parameters $(\cos(\beta-\alpha), \textrm{tan}\beta)$ and the MSSM parameters $(m_A, \textrm{tan}\beta)$ are complementary to those obtained from direct searches for additional Higgs bosons. Norfolk, Mitch 2023 2023-10-24 The limitations of the Standard Model (SM) of particle physics have perplexed physicists for many years, prompting the exploration of various theoretical SM extensions. This thesis utilises data from the ATLAS experiment, obtained through proton-proton collisions with an integrated luminosity of 139 fb$^{−1}$ at a centre-of-mass energy of 13 TeV, to search for particles predicted by these theories. Searches for Z′ bosons and leptoquarks (LQ) are conducted by employing analysis techniques developed during the 2020 ATLAS search for heavy neutral Higgs boson ($H/A/h$) decays to two tau leptons, as predicted by the Minimal Supersymmetric Standard Model (MSSM). In addition, this thesis presents preliminary work on enhancing the 2020 MSSM $H/A/h \rightarrow \tau^{+}\tau^{-}$ analysis using machine learning techniques and other optimisations. Finally, the progress made by the University of Sheffield towards the mass production of strip barrel modules for the forthcoming ATLAS Inner Tracker upgrade is discussed. No significant deviations from the predictions of the SM are observed in any of the searches. Consequently, upper limits at 95% confidence level are established for various parameters, and the observed limits are utilised to exclude mass ranges for specific models. The Sequential Standard Model (SSM) is used to define the $Z′$ particle in this thesis, and the search results contribute to the ATLAS combination effort investigating the Heavy Vector Triplet (HVT) model. For the SSM, Z′ masses below 3.06 TeV are excluded. Additional constraints are provided on the HVT model, for the fermion-Higgs {g$_f$ , g$_H$ } and generation-inclusive (third-generation) quark-lepton {$g_q, g_{\ell}$} ({$g_{q3} , g_{\ell 3} $}) coupling parameter planes, assuming fermion universality and the Model A benchmark scenario ($g_H$ = −0.56), respectively. In the LQ analysis, masses below 1.28 TeV (1.35 TeV) are excluded for the ̃$S_1 (U_1)$ models. By employing the machine learning and optimisation techniques to enhance the 2020 results, up to 4.2 (2.6) times improvement in the cross-section $\times$ branching ratio upper limit as a function of signal mass is demonstrated for the b-associated (gluon-gluon fusion) production modes. Improvements of up to 3.1 (2.9) in the $\tan \beta$ upper limit as a function of $m_A$ are shown for the hMSSM ($M_h^{125}) benchmark scenarios. The improvements for the MSSM occur exclusively at lower mass points. Aad, Georges Abbott, Braden Keim Abeling, Kira Abicht, Nils Julius Abidi, Haider Aboulhorma, Asmaa Abramowicz, Halina Abreu, Henso Abulaiti, Yiming Acharya, Bobby Samir Adam Bourdarios, Claire Adamczyk, Leszek Addepalli, Sagar Addison, Matt Adelman, Jahred Adiguzel, Aytul Adye, Tim Affolder, A.A. Affolder, Tony Afik, Yoav Agaras, Merve Nazlim Agarwala, Jinky Aggarwal, Anamika Agheorghiesei, Catalin Ahmad, Ammara Ahmadov, Faig Ahmed, Waleed Syed Ahuja, Sudha Ai, Xiaocong Aielli, Giulio Aikot, Arya Ait Tamlihat, Malak Aitbenchikh, Brahim Aizenberg, Iakov Akbiyik, Melike Akesson, Torsten Akimov, Andrei Akiyama, Daiya Akolkar, Nilima Nilesh Aktas, Sina Al Khoury, Konie Alberghi, Gian Luigi Albert, Justin Albicocco, Pietro Albouy, Guillaume Lucas Alderweireldt, Sara Alegria, Zackary Lee Aleksa, Martin Aleksandrov, I.N. Alexa, Calin Alexopoulos, Theodoros Alfonsi, Fabrizio Algren, Malte Alhroob, Muhammad Ali, Babar Ali, H.M. J. Ali, Shahzad Alibocus, Samuel William Aliev, Malik Alimonti, Gianluca Alkakhi, Wael Allaire, Corentin Allbrooke, Benedict Allen, Julia Frances Allendes Flores, Cristian Andres Allport, Philip Patrick Aloisio, Alberto Alonso, Francisco Alpigiani, Cristiano Alvarez Estevez, Manuel Alvarez Fernandez, Adrian Alves Cardoso, Mario Alviggi, Mariagrazia Aly, Mohamed Do Amaral Coutinho, Yara Ambler, Alessandro Amelung, Christoph Amerl, Maximilian Ames, Christoph Amidei, Dante Amor Dos Santos, Susana Patricia Amos, Kieran Robert Ananiev, Viktor Anastopoulos, Christos Andeen, Timothy Robert Anders, John Kenneth Andrean, Stefio Yosse Andreazza, Attilio Angelidakis, Stylianos Angerami, Aaron Anisenkov, Alexey Annovi, Alberto Antel, Claire Anthony, Matthew Thomas Antipov, Egor Antonelli, Mario Anulli, Fabio Aoki, Masato Aoki, Takumi Aparisi Pozo, Javier Alberto Aparo, Marco Aperio Bella, Ludovica Appelt, Christian Apyan, Aram Aranzabal Barrio, Nordin Arbiol Val, Sergio Javier Arcangeletti, Chiara Arce, Ayana Tamu Arena, Eloisa Arguin, Jean-Francois Argyropoulos, Spyros Arling, Jan-Hendrik Arnaez, Olivier Arnold, Hannah Artoni, Giacomo Asada, Haruka Asai, Kanae Asai, Shoji Asbah, Nedaa Alexandra Assahsah, Jihad Assamagan, Ketevi Adikle Astalos, Robert Atashi, S. Atashi, Rose Atkin, Ryan Justin Atkinson, Markus Julian Atmani, Hicham Atmasiddha, Prachi Augsten, Kamil Auricchio, Silvia Auriol, Adrien Austrup, Volker Andreas Avolio, Giuseppe Axiotis, Konstantinos Azuelos, Georges Babal, Dominik Bachacou, Henri Bachas, Konstantinos Bachiu, Alexander Backman, Karl Filip Badea, Anthony Baer, Tamas Marton Bagnaia, Paolo Bahmani, Marzieh Bahner, Daniel Bailey, Adam Bailey, Virginia Baines, John Baines, Luke Baker, Keith Bakos, Evelin Bakshi Gupta, Debottam Balakrishnan, Veena Balasubramanian, Rahul Baldin, Evgenii Balek, Petr Ballabene, Eric Balli, Fabrice Baltes, Lisa Marie Balunas, William Keaton Balz, Johannes Banas, Elzbieta Bandieramonte, Marilena Bandyopadhyay, Anjishnu Bansal, Shubham Barak, Liron Barakat, Marawan Barberio, Elisabetta Barberis, Dario Barbero, Marlon Benoit Barel, Marten Zefanja Barends, Kevin Nicholas Barillari, Teresa Barisits, Martin Barklow, Tim Baron, Petr Baron Moreno, D.A. Baroncelli, Toni Baroncelli, A. Barone, Gaetano Barr, Alan Barr, Jackson Barranco Navarro, Laura Barreiro Alonso, Fernando Barreiro Alonso, Barreiro Barreiro Guimaraes Da Costa, Joao Barron, Uriel Barros Teixeira, M.G. Barsov, Sergey Bartels, Falk Bartoldus, Rainer Barton, Adam Edward Bartos, Pavol Basan, Alexander Baselga Bacardit, Marta Bassalat, Ahmed Basso, Matthew Joseph Basson, Candice Ruth Bates, Richard Batlamous, Souad Batley, Richard Batool, Binish Battaglia, Marco Battulga, Daariimaa Bauce, Matteo Bauer, Michael Bauer, Patrick Bazzano Hurrell, L.T. Beacham, James Beau, Tristan Beaucamp, Jean Yves Beauchemin, Pierre-Hugues Becherer, Fabian Bechtle, Philip Beck, Hans Peter Becker, Kathrin Beddall, Andrew Bednyakov, Vadim Bee, Chris Beemster, Lars Beermann, Thomas Begalli, Marcia Begel, Michael Behera, Arabinda Behr, Janna Katharina Beirer, Joshua Falco Beisiegel, Florian Belfkir, Mohamed Bella, Gideon Bellagamba, Lorenzo Bellerive, Alain Bellos, Panagiotis Beloborodov, Konstantin Benchekroun, Driss Bendebba, Fatima Benhammou, Yan Benoit, Mathieu Bensinger, J.R. Bentvelsen, Stan Beresford, Lydia Audrey Beretta, Matteo Mario Bergeaas Kuutmann, Elin Berger, Nicolas Bergmann, Benedikt Ludwig Beringer, Juerg Bernardi, Gregorio Bernius, Catrin Bernlochner, Florian Urs Bernon, Florent Berrocal Guardia, Adrian Berry, Tracey Berta, Peter Berthold, Anne-Sophie Bertram, Iain Bethke, Siegfried Betti, Alessandra Bevan, Adrian Bhalla, Naman Kumar Bhamjee, Muaaz Bhatta, Somadutta Bhattacharya, Deb Sankar Bhattarai, Prajita Bhopatkar, Vallary Shashikant Bi, Ran Bianchi, Riccardo Maria Bianco, Gianluca Biebel, Otmar Bielski, Rafal Biglietti, Michela Bindi, Marcello Bingul, Ahmet Bini, Cesare Biondini, Alessandro Birch-Sykes, Callum Jacob Bird, Gareth Adam Birman, Mattias Biros, Marek Biryukov, Stanislav Bisanz, Tobias Bisceglie, Emanuele Biswal, Jyoti Prakash Biswas, Diptaparna Bitadze, Alexander Bjoerke, Kristian Bloch, Ingo Blue, Andrew James Blumenschein, Ulla Blumenthal, Julian Bobbink, Gerjan Bobrovnikov, Viktor Boehler, Michael Boehm, B. Bohm, Burkhard Bogavac, Danijela Bogdanchikov, Alexander Bohm, Christian Boisvert, Veronique Bokan, Petar Bold, Tomasz Bomben, Marco Bona, Marcella Boonekamp, Maarten Booth, Callum Dale Borbely, Albert Gyorgy Bordulev, Iurii Borecka-Bielska, Hanna Maria Borissov, Guennadi Bortoletto, Daniela Boscherini, Davide Fernandez-Bosman, Martine Bossio Sola, J.D. Bouaouda, Khalil Bouchhar, Naseem Boudreau, Joseph Bouhova-Thacker, E.V. Boumediene, Djamel Eddine Bouquet, Romain Boveia, Antonio Boyd, Jamie Boye, Diallo Boyko, Igor Bracinik, Juraj Brahimi, Nihal Brandt, Gerhard Immanuel Brandt, Oleg Braren, Frued Erik Brau, Benjamin Paul Brau, J.E. Schimmel Brener, Roy Brenner, Lydia Brenner, Richard Bressler, Shikma Britton, David Britzger, Daniel Brock, Ian Brock, Raymond Brooijmans, Gustaaf Brooks, William King Brost, Elizabeth Brost, Liza Brown, Leesa Bruce, Laura Elaine Bruckler, Tim Lukas Bruckman De Renstrom, Pawel Bruers, Ben Bruni, Alessia Bruni, Graziano Bruschi, Marco Bruscino, Nello Buanes, Trygve Buat, Quentin Buchin, Daniel Alexander Buckley, Andy Bulekov, Oleg Bullard, Brendon Burdin, Sergey Burgard, Carsten Burger, Angela Maria Burghgrave, Blake Oliver Burlayenko, Oleksandr Burr, J.T. P. Burton, Charles Burzynski, Jackson Carl Busch, Elena Laura Buescher, Volker Bussey, Peter John Butler, John Mark Buttar, Craig Macleod Butterworth, Jonathan Buttinger, Will Buttinger, William Buxo Vazquez, Carlos Josue Buzykaev, Alexey Cabrera Urban, Susana Cadamuro, Luca Caforio, Davide Cai, Huacheng Cai, Yuchen Cai, Yizhou Cairo, Valentina Cakir, Orhan Calace, Noemi Calafiura, Paolo Calderini, Giovanni Calfayan, Philippe Callea, Giuseppe Caloba, Luiz Pereira Calvet, David Calvet, Samuel Calvet, Thomas Philippe Calvetti, Milene Camacho Toro, Reina Coromoto Camarda, Stefano Camarero Munoz, Daniel Camarri, Paolo Camerlingo, Maria Teresa Cameron, David Camincher, Clement Campanelli, Mario Camplani, Alessandra Canale, Vincenzo Canesse, Auriane Cantero Garcia, Josu Cao, Yumeng Capocasa, Francesca Capua, Marcella Carbone, Antonio Cardarelli, Roberto Cardenas, Juan Carlos, Jr. Cardillo, Fabio Carducci, Giovandomenico Carli, Tancredi Carlino, Giampaolo Carlotto, Juan Ignacio Carlson, B.T. Carlson, Evan Michael Carminati, Leonardo Carnelli, Alberto Carnesale, Maria Caron, Sascha Carquin Lopez, Edson Carra, Sonia Carratta, Giuseppe Carrio Argos, Fernando Carter, J.W. S. Carter, Thomas Michael Casado Lechuga, Maria Del Pilar Caspar, Maximilian Castillo, Florencia Luciana Castillo Garcia, Lucia Castillo Gimenez, Victoria Castro, Nuno Catinaccio, Andrea Catmore, James Cavaliere, Viviana Cavalli, Noemi Cavasinni, Vincenzo Cekmecelioglu, Yusuf Can Celebi, Emre Celli, Federico Centonze, Martino Salomone Cepaitis, Vilius Cerny, Karel Santiago Cerqueira, Augusto Cerri, Alex Cerrito, Lucio Cerutti, Fabio Cervato, Beatrice Cervelli, Alberto Cesarini, Gianmario Cetin, Serkant Chakraborty, Dhiman Chan, Jay Chan, Wai Yuen Chapman, John Derek Chapon, Emilien Chargeishvili, Bakar Charlton, Dave Chatterjee, Meghranjana Chauhan, Chainika Chekanov, Sergei Chekulaev, Sergey Chelkov, G.A. Chen, Andy Chen, Boping Chen, Charlie Chen, Huirun Chen, Hucheng Chen, Jing Chen, Jiayi Chen, Maggie Chen, Shion Chen, Shenjian Chen, Xiang Chen, Xin Chen, Ye Cheng, Alkaid Cheng, Hok Chuen Tom Cheong, Sanha Cheplakov, Alexander Cheremushkina, Evgeniya Cherepanova, Elizaveta Cherkaoui El Moursli, R. Cheu, Elliott Cheung, Kingman Chevalier, Laurent Chiarella, Vitaliano Chiarelli, Giorgio Chiedde, Nemer Chiodini, Gabriele Chisholm, Andrew Stephen Chitan, Adrian Chitishvili, Mariam Chizhov, Mihail Choi, Kyungeon Chomont, Arthur Chou, Yuan-Tang Chow, E.Y. S. Chowdhury, Tasnuva Chu, Michael Kwok Lam Chu, Ming Chung Chu, Xiaotong Chudoba, Jiri Chwastowski, Janusz Cieri, Davide Ciesla, Krzysztof Cindro, Vladimir Ciocio, Alessandra Cirotto, Francesco Citron, Z.H. Citterio, Mauro Ciubotaru, Dan Andrei Clark, Allan Clark, Philip Clarry, Cameron Clavijo Columbie, Jose Manuel Clawson, Savannah Clement, Christophe Clercx, Joshua Coadou, Yann Cobal, Marina Coccaro, Andrea Coelho Barrue, R.F. Coelho Lopes De Sa, Rafael Coelli, Simone Coimbra, A.E. C. Cole, Brian Andrew Collot, Johann Conde Muino, Patricia Connell, Matt Connell, Simon Connelly, Ian Allan Conroy, Eimear Isobel Conventi, Francesco Cooke, Harry Cooper-Sarkar, A.M. Cordeiro Oudot Choi, Artur Corpe, Louie Dartmoor Corradi, Massimo Corriveau, Francois Cortes-Gonzalez, Arely Costa Mezquita, Maria Jose Costanza, Francesco Costanzo, Davide Cote, Benjamin Cowan, Glen Cranmer, Kyle Stuart Cremonini, Davide Crepe-Renaudin, Sabine Crescioli, Francesco Cristinziani, Markus Cristoforetti, Marco Croft, Vincent Alexander Crosby, Jacob Edwin Crosetti, Nanni Crosetti, G. Cueto Gomez, Ana Rosario Cuhadar Donszelmann, Tulay Cui, Han Cui, Zhaoyuan Cunningham, W.R. Cunningham, Liam Curcio, Francesco Czodrowski, Patrick Karl Czurylo, Marta Da Cunha Sargedas De Sousa, M.J. Da Fonseca Pinto, Joao Victor Da Via, Cinzia Dabrowski, Wladyslaw Dado, Tomas Dahbi, Salah-Eddine Dai, Tiesheng Dal Santo, Daniele Dallapiccola, Carlo Dam, Mogens D'Amen, Gabriele D'Amico, Valerio Damp, Johannes Frederic Dandoy, Jeff Daneri, Maria Florencia Danninger, Matthias Dao, Valerio Darbo, Nanni Darbo, G. Darmora, Smita Das, Sruthy Jyothi D'Auria, Saverio David, Claire Davidek, Tomas Davis-Purcell, Benjamin Richard Dawson, Ian Day-Hall, Henry De, Kaushik De Asmundis, Riccardo De Biase, Nicola De Castro, Stefano De Groot, Nicolo De Jong, Paul De La Torre Perez, Hector De Maria, Antonio De Salvo, Alessandro De Sanctis, Umberto De Santis, Francesco De Santo, Antonella De Vivie De Regie, Jean-Baptiste Dedovich, Dmitri Degens, Jordy Deiana, Allison Mccarn Del Corso, Francesca Del Peso, Jose Del Rio, Fer Delagrange, Line Deliot, Frederic Delitzsch, Chris Malena Della Pietra, Massimo Della Volpe, Domenico Dell'Acqua, Andrea Dell'Asta, Lidia Delmastro, Marco Delsart, Pierre Antoine Demers, Sarah Marie Demichev, Mikhail Denisov, Serguei D'Eramo, Louis Derendarz, Dominik Karol Derue, Frederic Dervan, Paul Desch, Klaus Deutsch, Christopher Di Bello, Francesco Armando Di Ciaccio, Anna Di Ciaccio, Lucia Di Domenico, Antonio Di Donato, Camilla Di Girolamo, Alessandro Di Gregorio, Giulia Di Luca, Andrea Di Micco, Biagio Di Nardo, Roberto Diaconu, Cristinel Diamantopoulou, Magda De Almeida Dias, Flavia Dias Do Vale, T. Diaz Gutierrez, Marco Aurelio Diaz Capriles, Federico Guillermo Didenko, Mariia Diehl, Edward Diehl, Leena Diez Cornell, Sergio Diez Pardos, Carmen Dimitriadi, Christina Dimitrievska, Aleksandra Dingfelder, Jochen Christian Dinu, Ioan-Mihail Dittmeier, Sebastian Dittus, Fido Djama, Fares Djobava, Tamar Djuvsland, Julia Isabell Doglioni, Caterina Dohnalova, Adriana Dolejsi, Jiri Dolezal, Zdenek Dona, Kristin Donadelli, Marisilvia Dong, Binbin Donini, Julien Noce D'Onofrio, Adelina D'Onofrio, Monica Dopke, Jens Doria, Alessandra Dos Santos Fernandes, Nuno Dougan, Patrick Dova, Maria Teresa Doyle, Tony Draguet, Maxence Dreyer, Etienne Drivas-Koulouris, Ioannis Drnevich, Matthew Drobac, Alec Swenson Drozdova, Mariia Du, Dongshuo Du Pree, Tristan Arnoldus Dubinin, Filipp Dubovsky, Michal Duchovni, Ehud Duckeck, Guenter Ducu, Otilia Anamaria Duda, Dominik Dudarev, Alexey Duden, Emily Rose D'Uffizi, Matteo Duflot, Laurent Duehrssen-Debling, Michael Dulsen, Carsten Dumitriu, Ana Elena Dunford, Monica Dungs, Sascha Dunne, Katherine Elaine Duperrin, Arnaud Duran Yildiz, H. Dueren, Michael Johannes Durglishvili, Archil Dwyer, Brianna Dyckes, G.I. Dyndal, Mateusz Dziedzic, Bartosz Sebastian Earnshaw, Zoe Olivia Eberwein, Gregor Hieronymus Eckerova, Barbora Eggebrecht, Stephen Purcino De Souza, Edmar Egidio Ehrke, Lukas Eigen, Gerald Einsweiler, Kevin Frank Ekelof, Tord Johan Carl Ekman, Per Alexander El Farkh, Saad El Ghazali, Yassine El Jarrari, Hassnae El Moussaouy, Ali Ellajosyula, Venugopal Ellert, Mattias Ellinghaus, Frank Ellis, Nick Elmsheuser, Johannes Elsing, Markus Emeliyanov, Dmitry Enari, Yuji Ene, Irina Epari, Shalini Erdmann, Johannes Erland, Paula Agnieszka Errenst, Martin Escalier, Marc Escobar Ibanez, Carlos Etzion, Erez Gaspar De Andrade Evans, Guiomar Evans, Hal Evans, Levi Evans, Meirin Oan Ezhilov, Aleksei Ezzarqtouni, Sanae Fabbri, Federica Fabbri, Laura Facini, Gabriel Fadeyev, Vitaliy Fakhrutdinov, Rinat Fakoudis, Dionysios Falciano, Speranza Falda Ulhoa Coelho, L.F. Falke, Peter Johannes Faltova, Jana Fan, Cunwei Fan, Yunyun Fang, Yaquan Fanti, Marcello Faraj, Mohammed Farazpay, Zahra Farbin, Amir Farilla, Ada Farooque, Trisha Farrington, Sinead Fassi, Farida Fassouliotis, Dimitris Faucci Giannelli, Michele Fawcett, William James Fayard, Louis Federic, Pavol Federicova, Pavla Fedin, Oleg Fedotov, Gleb Feickert, Matthew Feligioni, Lorenzo Fellers, Deion Elgin Feng, Cunfeng Feng, Minyu Feng, Zhuoran Fenton, Michael James Fenyuk, Alexandre Ferencz, Lars Ferguson, Ruby Alice Molly Fernandez Luengo, Sergio Ivan Fernandez Martinez, Pablo Fernoux, M.J. V. Ferrando, James Ferrari, Arnaud Ferrari, Pamela Ferrari, Roberto Ferrere, Didier Ferretti, Claudio Fiedler, Frank Fiedler, Petr Filipcic, Andrej Filmer, Emily Filthaut, Frank Castro Nunes Fiolhais, Miguel Fiorini, Luca Fisher, Wade Cameron Fitschen, Tobias Fitzhugh, Peter Michael Fleck, Ivor Fleischmann, Philipp Flick, Tobias Flores, Marvin Flores Castillo, Luis Roberto Flores Sanz De Acedo, Leyre Follega, Francesco Maria Fomin, Nikolai Foo, Joel Hengwei Forland, Blake Christopher Formica, Andrea Forti, Alessandra Fortin, Etienne Marie Fortman, Anne Winifred Foti, Maria Giovanna Fountas, Leonidas Fournier, Daniel Fox, Harald Francavilla, Paolo Francescato, Simone Franchellucci, Stefano Franchini, Matteo Franchino, Silvia Francis, David Franco, Luca Franco Lima, Vinicius Franconi, Laura Franklin, Melissa Frattari, Guglielmo Freegard, Arran Charles Spolidoro Freund, Werner Frid, Yuval Yitzhak Friend, Johnny Fritzsche, Nick Froch, Alexander Froidevaux, Daniel Frost, James Fu, Yao Fuenzalida Garrido, Sebastian Julio Fujimoto, Minori Fung, Kin Yip Simas Filho, Eduardo Furtado De Furukawa, Marin Fuster Verdu, Juan Gabrielli, Alessandro Gabrielli, Andrea Gadow, Philipp Gagliardi, Guido Gagnon, Louis-Guillaume Gallas, Elizabeth Gallop, Bruce Joseph Gan, Kock Kiam Ganguly, Sanmay Gao, Yanyan Garay Walls, Francisca Garcia, Berenice Garcia, Carmen Garcia Alonso, Andrea Garcia Caffaro, Arianna Gemma Garcia Navarro, Jose Enrique Garcia-Sciveres, Maurice Gardner, Gwen Llewellyn Gardner, Robert William, Jr. Garelli, Nicoletta Garg, Diksha Garg, Rocky Bala Gargan, Jack Garner, Christopher Andrew Garvey, Cameron Michael Do Nascimento Gaspar, Philipp Gassmann, Veritas Katharina Gaudio, Gabriella Gautam, Viveka Gauzzi, Paolo Gavrilenko, Igor Gavriliuk, Alexander Gay, Colin Warren Gaycken, Goetz Gazis, Evangelos Geanta, Andrei Alexandru Gee, Carolyn Gekow, Alex Gemme, Claudia Genest, Marie-Helene Gentile, Simonetta Gentry, Andrew Donald George, Simon George, William Frederick Geralis, Theodoros Gessinger-Befurt, P. Geyik, Marvin Emin Ghani, Mohammed Ghneimat, Mazuza Mohammad A. Ghorbanian, Keanu Ghosal, Arpan Ghosh, Aishik Ghosh, Anindya Giacobbe, Benedetto Giagu, Stefano Giani, Tommaso Giannetti, Paola Giannini, Antonio Gibson, Stephen Gignac, Matthew Gil, Damian Gilbert, Alexander Kevin Gilbert, Benjamin Jacob Gillberg, Dag Gilles, Geoffrey Gillwald, N.E. K. Ginabat, Louis Gingrich, Doug Giordani, Mapo Giraud, Pierre-Francois Giugliarelli, Gilberto Giugni, Danilo Giuli, Francesco Gkialas, Ioannis Gladilin, Leonid Glasman, Claudia Gledhill, Galen Rhodes Glemza, Gediminas Glisic, Marija Gnesi, Ivan Go, Yeonju Goblirsch-Kolb, Maximilian Emanuel Gocke, Benedikt Godin, Dominique Gokturk, Berare Goldfarb, Steven Golling, Tobias Gololo, Mpho Gift Doctor Golubkov, Dmitry Gombas, Jason Peter Da Silva Gomes, Agostinho Gomes Da Silva, G. Gomez Delegido, Antonio Jesus Morais Silva Goncalo, Ricardo Jose Gonella, Giulia Gonella, Laura Gongadze, Alexi Gonnella, Francesco Gonski, Julia Lynne González Andana, R.Y. Gonzalez De La Hoz, Santiago Gonzalez Fernandez, Sergio Gonzalez Lopez, Ricardo Gonzalez Renteria, Cesar Gonzalez Rodrigues, Marcus Vinicius Gonzalez Suarez, Rebeca Gonzalez Sevilla, Sergio Gonzalvo Rodriguez, Galo Rafael Goossens, Luc Gorini, Benedetto Gorini, Edoardo Gorisek, Andrej Gosart, Thomas Christopher Goshaw, A.T. Gostkin, Mikhail Goswami, Soumyananda Gottardo, Carlo Alberto Gotz, Stefanie Andrea Gouighri, Mohamed Goumarre, Vincent Goussiou, Anna Govender, Nicolin Grabowska-Bold, Iwona Graham, Kevin Robert Gramstad, Eirik Grancagnolo, Sergio Grandi, Mario Grant, Charles Michael Gravila, Paul Gravili, Francesco Giuseppe Gray, Heather Greco, Matteo Grefe, Christian Gregor, Ingrid Grenier, Philippe Grewe, Simon Gabriel Grieco, Chiara Grillo, Alex Grimm, Kathryn Grimm, Katy Grinstein, Sebastian Grivaz, Jean-Francois Gross, Eilam Grosse-Knetter, Joern Grud, Christopher Ryan Grundy, James Cameron Guan, Liang Guan, Wen Gubbels, Chris Guerrero Rojas, J.G. R. Guerrieri, Giovanni Guescini, Francesco Gugel, Ralf Guhit, Jem Aizen Mendiola Guida, Alessandro Guilloton, Eva Guindon, Stefan Guo, Fangyi Guo, Jun Guo, Linghua Guo, Yuxiang Gupta, Ruchi Gupta, Rajat Gurbuz, Saime Gurdasani, Simran Sunil Gustavino, Giuliano Guth, Manuel Gutierrez, Phillip Gutierrez Zagazeta, Luis Felipe Gutsche, Manuel Gutschow, Christian Gwenlan, Claire Gwilliam, Carl Haaland, Even Simonsen Haas, Andrew Habedank, Martin Haber, Carl Hadavand, Haleh Hadef, Asma Hadzic, Sejla Hagan, Alina Hahn, Jan Joachim Haines, Emil Haleem, Mahsana Haley, Joseph Hall, Jack Joseph Hallewell, Gregory Halser, Lea Hamano, Kenji Hamer, Matthias Hamity, Guillermo Nicolas Hampshire, Emily Han, Jingyi Han, Kunlin Han, Liangliang Han, Liang Han, Shuo Han, Yi Fei Hanagaki, Kazunori Hance, Mike Hangal, Dhanush Anil Hanif, Hamza Hank, Michael Donald Hankache, Robert Hansen, Jorgen Beck Hansen, Dines Hansen, Peter Hara, Kazuhiko Harada, Daigo Harenberg, Torsten Harkusha, Siarhei Harris, Matthew Leary Harris, Ynyr Harrison, Jack Harrison, Natalie Harrison, Paul Fraser Hartman, Nicole Michelle Hartmann, Nikolai Hasegawa, Yoji Hauser, Reiner Hawkes, Chris Hawkings, Richard Hayashi, Yuichiro Hayashida, Shota Hayden, Daniel Hayes, Christopher Robyn Hayes, Robin Hays, Chris Hays, Jonathan Hayward, Helen He, Fudong He, Mingxu He, Yunjian He, Yajun Heatley, Nathan Barry Hedberg, Vincent Heggelund, Andreas Lokken Hehir, Natasha Heidegger, Constantin Heidegger, Kim Katrin Heidorn, William Dale Heilman, Jesse Heim, Sarah Heim, Timon Heinlein, James Geddy Heinrich, Jochen Jens Heinrich, Lukas Alexander Hejbal, Jiri Helary, Louis Held, Alexander Hellesund, Simen Helling, Cole Michael Hellman, Sten Henderson, R.C. W. Henkelmann, Lars Henriques Correia, Ana Maria Herde, Hannah Elizabeth Hernandez Jimenez, Yesenia Herrmann, Lena Maria Herrmann, Tim Herten, Gregor Hertenberger, Ralf Hervas, Luis Hesping, Moritz Hessey, Nigel Hibi, Hiroaki Hill, Ewan Chin Hillier, Stephen Hinds, Julia Rose Hinterkeuser, Florian Hirose, Minoru Hirose, Shigeki Hirschbuehl, Dominic Hitchings, Thomas Glyn Hitchings, T.G. Hiti, Bojan Hobbs, John David Hobincu, Radu Tal Hod, Noam Hodgkinson, Mark Hodkinson, B.H. Hoecker, Andreas Hofer, Dustyn Dean Hofer, Judith Holm, Tanja Holzbock, Michael Hommels, L.B. A.H. Honan, Benjamin Paul Hong, Jiangliu Hong, Tae Min Hooberman, Benjamin Henry Hopkins, Walter Horii, Yasuyuki Hou, Suen Howard, Alissa Shirley-Ann Howarth, James William Hoya, Joaquin Hrabovsky, Miroslav Hrynevich, Aliaksei Hrynova, Tetiana Hsu, Pai-Hsien Hsu, Shih-Chieh Hu, Qipeng Hu, Yifan Huang, Shuhui Huang, Xiaozhong Huang, Xinhui Huang, Yicong Huang, Yanping Huang, Zuchen Hubacek, Zdenek Hubner, Michael Huegging, Fabian Huffman, Todd Brian Hugli, Cedrine Alexandra Huhtinen, Mika Huiberts, Simon Kristian Hulsken, Raphael Alain Huseynov, Nazim Huston, Joey Huth, John Hyneman, Rachel Jordan Iacobucci, Giuseppe Iakovidis, George Ibragimov, Iskander Iconomidou-Fayard, Lydia Iengo, Paolo Iguchi, Ryunosuke Iizawa, Tomoya Ikegami, Yoichi Ilic, Nikolina Imam, Hajar Ince Lezki, Merve Ingebretsen Carlson, Tom Introzzi, Gianluca Iodice, Mauro Ippolito, Valerio Irwin, Rebecca Katie Ishino, Masaya Islam, Wasikul Issever, Cigdem Istin, Serhat Ito, Hiroki Iturbe Ponce, J.M. Iuppa, Roberto Ivina, Anna Izen, Joseph Michael Izzo, Vincenzo Jacka, Petr Jackson, Paul Jacobs, Ruth Magdalena Jaeger, Benjamin Paul Jagfeld, Christoph Jain, Geetika Jain, Prasham Jakobs, Karl Jakoubek, Tomas Jamieson, Jonathan Janas, Krzysztof Javurkova, Martina Jeanneau, Fabien Jeanty, Laura Jejelava, Juansher Jenni, Peter Jessiman, Callan Jezequel, Stephane Jia, Chen Jia, Jiangyong Jia, Xiaohe Jia, Xuewei Jia, Zihang Jiggins, Stephen Jimenez Pena, Javier Jin, Shan Jinaru, Adam Jinnouchi, Osamu Johansson, Per Daniel Conny Johns, Kenneth Johnson, Jacob Wayne Jones, Dominic Jones, Eleanor Jones, Paul Jones, R.W. L. Jones, T.J. Joos, Hans Ludwig Joshi, Roshan Jovicevic, Jelena Ju, Xiangyang Junggeburth, Johannes Junkermann, Thomas Juste Rozas, Aurelio Juzek, Monika Katarzyna Kabana, Sonia Kaczmarska, Anna Kado, Marumi Kagan, Harris Kagan, Michael Kahn, Alan Mathew Kahn, Abraham Kahra, Christian Kaji, Toshiaki Kajomovitz Must, Enrique Kakati, Nilotpal Kalaitzidou, Ilia Kalderon, Will Kamenshchikov, Andrey Kang, Nathan Jihoon Kar, Deepak Karava, Kla Kareem, Mohammad Karentzos, Efstathios Karkanias, Ioannis Karkout, Osama Karpov, Sergey Karpova, Zoya Kartvelishvili, Vato Karyukhin, Andrey Kasimi, Eirini Katzy, Judith Kaur, Sandeep Kawade, Kentaro Kawale, Mayuri Prabhakar Kawamoto, Chihiro Kawamoto, Tatsuo Kay, Ellis Kaya, F.I. Kaya, Colette Kazakos, Stergios Kazanin, Vassili Ke, Yan Keaveney, James Michael Keeler, Richard Kehris, Gustavs Keller, John Stakely Kelly, Aidan Sean Kempster, Jacob Julian Kennedy, Kiley Elizabeth Kennedy, Philip Kepka, Oldrich Kerridge, Benjamin Philip Kersten, Susanne Kersevan, Borut Paul Keshri, Sumit Keszeghova, Lucia Ketabchi Haghighat, S. Khan, Raees Ahmad Khandoga, Mykola Khanov, Alexander Kharlamov, Alexey Kharlamova, Tatyana Khoda, Elham Kholodenko, Marina Khoo, Teng Jian Khoriauli, Gia Khubua, J. Khubua, Djemal Khwaira, Yahya A.R. Kilgallon, Aaron Joseph Kim, Dongwon Kim, Young-Kee Kimura, Naoki Kingston, Matthew Kevin Kirchhoff, Andreas Kirfel, Christian Kirfel, Florian Kirk, Julie Kiryunin, Andrei Kitsaki, Chara Kivernyk, Oleh Klassen, Martin Klein, Christoph Thomas Klein, Lucas Klein, Matthew Henry Klein, Max Klein, Samuel Byrne Klein, Uta Klimek, Pawel Jan Klimentov, Alexei Klioutchnikova, Tatiana Kluit, Peter Kluth, Stefan Kneringer, Emmerich Knight, Timothy Michael Knue, Andrea Helen Kobayashi, Ren Kobylianskii, Dmitrii Koch, Simon Florian Kocian, Martin Kodys, Peter Koeck, D.M. Kock, Daniela Konig, Philipp Thomas Kourlitis, Vangelis Kowalewski, Bob Kroll, Jiri Kroll, Ira Joseph Koultchitski, Yuri Lee, Shih-Chang Lee, Suhyun Li, Chihao Li, Changqiao Li, Heng Li, Han Li, Huanguo Li, Hui Li, Haifeng Li, Shuqi Li, Shu Li, Zhiying Li, Zhelun Li, Zhiyuan Li, Zhan Liu, Bo Liu, Bingxuan Liu, Jianbei Liu, Jesse Liu, Minghui Liu, Mingyi Liu, Yang Liu, Yanlin Liu, Yanwen Lou, Xuanhong Lou, Xinchou Macdonell, Danika Marina Malecki, Pawel Martinez-Perez, Mario Martynwood, Alex Christopher Mcdonald, Millie Mc Govern, Bobby Mir Martinez, Lluisa Maria Carvalho, Luisa Murray, Bill Panduro Vazquez, William Mihule, Kristina Pham, Joni Pottgen, Ruth Potter, Tina Koffas, Thomas Kolay, Orcun Koletsou, Iro Komarek, Tomas Koeneke, Karsten Kong, A.X. Y. Kono, Takanori Konstantinidis, Nikolaos Kontaxakis, Pantelis Konya, Balazs Kopeliansky, Revital Koperny, Stefan Zenon Korcyl, Krzysztof Marian Kordas, Kostas Koren, Guy Korn, Andreas Korn, Steffen Korolkov, Ilya Korotkova, Natalia Kortman, Bryan Kortner, Oliver Kortner, Sandra Kostecka, Will Kostyukhin, Vadim Kotsokechagia, Anastasia Kotwal, Ashutosh Koulouris, Aimilianos Kourkoumeli-Charalampidi, Athina Kourkoumelis, Christine Kourlitis, E. Kovanda, Ondrej Kowalewski, R. Kozanecki, Witold Kozhin, Anatoli Kramarenko, Viktor Kramberger, Gregor Kramer, Peter Krasny, Mieczyslaw Witold Krasznahorkay, Attila Kraus, Johanna Wanda Kremer, Jakub Kresse, Tom Kretzschmar, Jan Kreul, Ken Matthias Krieger, Peter Krishnamurthy, Samyukta Krivos, Martin Krizka, Karol Kroeninger, Kevin Alexander Kroha, Hubert Krowpman, Kyle Stuart Kruchonak, Uladzimir Krueger, Hans Krumnack, Nils Erik Kruse, Mark Kuchinskaia, Olesia Kuday, Sinan Kuehn, Susanne Kusters, Roman Kuhl, Thorsten Kukhtin, Victor Kulchitsky, Y. Kuleshov, Serguei Kumar, Mukesh Kumari, Neelam Kumari, Priyanka Kupco, Alexander Kupfer, Tobias Kupich, Andrey Kuprash, Oleg Kurashige, Hisaya Kurchaninov, Leonid Kurdysh, Oleksii Kurochkin, Yurii Kurova, Anastasia Kuze, Masahiro Kvam, Audrey Katherine Kvita, Jiri Kwan, Tony Kyriacou, Nicholas Laatu, Lauri Antti Olavi Lacasta Llacer, Carlos Lacava, Francesco Lacker, Heiko Markus Lacour, Didier Lad, Nisha Ladygin, Evgueni Laforge, Bertrand Lagouri, Theodota Lahbabi, Fatima Zahra Lai, Stan Lakomiec, Inga Katarzyna Lalloue, Nathan Lambert, Joseph Earl Lammers, Sabine Wedam Lampl, Walter Lampoudis, Christos Lancaster, Alec Lancon, Eric Landgraf, Ulrich Landon, Murrough Lang, Valerie Langenberg, Robert Johannes Langrekken, Oda Kristin Berg Lankford, Andrew James Lanni, Francesco Lantzsch, Kerstin Lanza, Agostino Lapertosa, Alessandro Laporte, Jean-Francois Lari, Tommaso Lasagni Manghi, Federico Lassnig, Mario Latonova, Vera Laudrain, Antoine Laurier, Alexandre Lawlor, Sean Dean Lawrence, Zak Lazaridou, Roxani Lazzaroni, Massimo Le, Brian Le Boulicaut Ennis, Elise Maria Leban, Blaz Lebedev, Alexandre Leblanc, Matt Ledroit-Guillon, F. Lee, Ava Chloe Audrey Lee, Ting Fung Leeuw, Lerothodi Leonard Lefebvre, Helena Lefebvre, Michel Leggett, Charles Lehmann Miotto, Giovanna Leigh, Matthew Leight, William Axel Leinonen, Waltteri Leisos, Antonios Lisboa Leite, Marco Leitgeb, Clara Elisabeth Leitner, Rupert Leney, Katharine Lenz, Tatjana Leone, Sandra Leonidopoulos, Christos Leopold, Alexander Leroy, Claude Les, Robert Lester, Christopher Levchenko, Mikhail Leveque, Jessica Levin, Dan Levinson, Lorne Lewicki, Maciej Piotr Lewis, Daniel Li, Ang Li, Bing Li, Jialin Li, Ke Li, Liang Li, Mengran Li, Quanyin Li, Tong Li, Xingguo Liang, Shiyi Liang, Zhijun Liberatore, Marianna Liberti, Barbara Lie, Ki Lieber Marin, Juan Lien, Hsuan-Chu Lin, Kuan-Yu Lindley, Rachel Elizabeth Lindon, Jack Lipeles, Elliot Lipniacka, Anna Lister, Alison Little, Jared Liu, Danning Liu, Kun Liu, Peilian Liu, Qibin Liu, Xiaotian Llorente Merino, Javier Lloyd, Steve Lobodzinska, Ewelina Maria Loch, Peter Lohse, Thomas Lohwasser, Kristin Loiacono, Eleonora Lokajicek, Milos Lomas, Joshua David Long, Jonathan Longarini, Iacopo Longo, Luigi Longo, Riccardo Lopez Paz, Ivan Lopez Solis, Alvaro Lorenzo Martinez, Narei Lory, Alexander Loeschcke Centeno, Gianna Loseva, Olesia Lounis, Abdenour Love, Jeremy Love, Peter Lu, Gangcheng Lu, Miaoran Lu, Sicong Lu, Yun-Ju Lubatti, Henry Luci, Claudio Lucio Alves, Fabio Lucio Lucotte, Arnaud Luehring, Fred Luise, Ilaria Lukianchuk, Oleksii Lundberg, Olof Lund-Jensen, Bengt Luongo, Nicholas Lutz, Margaret Lux, Adam Brayton Lynn, David Lyons, Harry John Lysak, Roman Lytken, Else Lyubushkin, Vladimir Lyubushkina, Tatiana Lyukova, Mars Ma, Hong Ma, Kuo Ma, Lianliang Ma, Wenhao Ma, Yanhui Mac Donell, D.M. Maccarrone, Giovanni Macdonald, Jack Machado De Abreu Farias, Paulo Cesar Madar, Romain Mader, Wolfgang Franz Madula, Thandikire Maeda, Junpei Maeno, Tadashi Maguire, Helen Ruth Maiboroda, Vera Maio, Amelia Maj, Klaudia Majersky, Oliver Majewski, Stephanie Makovec, Nikola Maksimovic, Veljko Malaescu, Bogdan Malecki, Pa. Maleev, Victor Malek, Fairouz Mali, Miha Malito, Davide Mallik, Usha Maltezos, Stavros Malyukov, Sergey Mamuzic, Judita Mancini, Giada Manco, Giulia Mandalia, Jesal Mandic, Igor Manhaes De Andrade Filho, Luciano Maniatis, Ioannis Michail Manjarres Ramos, J. Mankad, Dvij Mann, Alexander Mansoulie, Bruno Manzoni, Stefano Mao, Lining Mapekula, Xola Gugulethu Marantis, Alexandros Marchiori, Giovanni Marcisovsky, Michal Marcon, Caterina Marinescu, Mihaela Marium, Sadia Marjanovic, Marija Marshall, Emma Marshall, Zach Marti I Garcia, Salvador Martin, T.A. Martin, Victoria Martin Dit Latour, Bertrand Martinelli, Luca Martinez Agullo, Pablo Martinez Outschoorn, Verena Ingrid Martinez Suarez, Paula Martin-Haugh, Stewart Martoiu, Sorin Martyniuk, Alex Christopher Marzin, Antoine Mascione, Daniela Masetti, Lucia Mashimo, Tetsuro Masik, Jiri Maslennikov, Alexei Massa, Lorenzo Massarotti, Paolo Mastrandrea, Paolo Mastroberardino, Anna Masubuchi, Tatsuya Mathisen, Thomas Matousek, Jan Matsuzawa, Nobuo Maurer, Julien Macek, Bostjan Maximov, Dmitriy Mazini, Rachid Maznas, Ioannis Mazza, Maria Mazza, Simone Michele Mazzeo, Elena Mc Ginn, Christopher Mc Gowan, John Patrick Mc Kee, Shawn McDonald, E.F. Mcdougall, Ashley Ellen Mcfayden, Josh Mchedlidze, Gvantsa Mckenzie, Ryan Peter Mclachlan, Thomas Christopher Mclaughlin, Donal Joseph Mcmahon, Steve Mcpartland, Conor McPherson, R.A. Mehlhase, Sascha Mehta, Andrew Melini, Davide Mellado Garcia, Bruce Melo, Andres Hugo Meloni, Federico Mendes Jacques Da Costa, Antonio Manuel Meng, Huan Yu Meng, Lingxin Menke, Sven Mentink, Matthias Meoni, Evelin Mercado, Gretel Merlassino, Claudia Merola, Leonardo Meroni, Chiara Merz, Garrett William Metcalfe, Jessica Mete, Alaettin Serhan Meyer, Chris Meyer, Jean-Pierre Middleton, Robin Mijovic, Liza Mikenberg, George Mikestikova, Marcela Mikuz, Marko Mildner, Hannes Milic, Adriana Milke, Chris Miller, David Miller, Laura Stephanie Milov, Alexander Milstead, David Anthony Min, Tianjue Minaenko, Andrei Minashvili, Irakli Mince, Laurynas Mincer, Allen Irving Mindur, Bartosz Mineev, Mikhail Mino, Yuya Miralles Lopez, Marcos Mironova, Maria Mishima, Akihiro Missio, Marion Mitra, Ankush Mitsou, Vasiliki Mitsumori, Yuki Miu, Ovidiu Miyagawa, Paul Mkrtchyan, Tigran Mlinarevic, Marin Mlinarevic, Toni Mlynarikova, Michaela Mobius, Silke Moder, Paul Mogg, Philipp Mohamed Farook, Mohamed Hijas Fadol Mohammed, Abdualazem Mohapatra, Soumya Mokgatitswane, Gaogalalwe Moleri, Luca Mondal, Buddhadeb Mondal, Santu Monig, Klaus Monnier, Emmanuel Monsonis Romero, Luis Montejo Berlingen, Javier Montella, Marco Montereali, Federico Monticelli, Fernando Monzani, Simone Morange, Nicolas Moreno Llacer, Maria Moreno Martinez, Carlos Morettini, Paolo Morgenstern, Stefanie Morii, Masahiro Morinaga, Masahiro Morley, Anthony Morodei, Federico Morvaj, Ljiljana Moschovakos, Paris Moser, Brian Mosidze, Maia Moskalets, Tetiana Moskvitina, Polina Moss, Joshua Moyse, E.J. W. Mtintsilana, Onesimo Muanza, Steve Mueller, James Alfred Muenstermann, Daniel Müller, R. Mullier, Geoffrey Mullin, Anna Jane Mullin, Joseph Mungo, Davide Munoz Perez, David Munoz Sanchez, Francisca Murin, Martin Poveda Torres, Ximo Proudfoot, James Proudfoot, Jimmy Qin, Quake Rapheeha, Phuti Robles Manzano, Marisol Robles Manzano, Maria Romero, Anabel Rossi, Eleonora Rossi, Elvira Ruan, Ruanxf Schaffer, R.D. Chtcheguelski, Valery Schune, Philippe Schwemling, Philippe Sharma, Abhishek Sharma, Abhishek Shatalov, Sppavel Kirianova, Anna Shojaii, Seyed Ruhollah Sijacki, Dorde Cardoso Silva, Julia Manuela Sinha, Supriya Sinha, Sukanya Solodkov, Sanya Starchenko, Jenya Sultanov, Salekh Sun, Siyuan Sun, Shaojun Tikhonov, Iouri Toldaiev, Alex None, None Tuts, Mike Van De Wall, Evan Richard Mete, Tulin Vetterli, Michel Joseph Volkotrub, Yuriy Wang, Chen Wang, Chenliang Wang, Renjie Wang, Rongkun Wang, Rui Wang, Song-Ming Wang, Shuanggeng Wang, Weitao Wang, Wei Wang, Xin Wang, Xiaoning Wang, Xi Wang, Yufeng Wang, Yuhao Wang, Zirui Wang, Zhen Wang, Zhichen White, Aaron Stephen White, Andrew Wu, Minlin Wu, Mengqing Wurzinger, Jonas Murrone, Alessia Muskinja, Miha Mwewa, Chilufya Myagkov, Alexei Myers, Andrew Joel Myers, Greg Myska, Miroslav Nachman, B.P. Nackenhorst, Olaf Nag, Abhishek Nagai, Koichi Nagano, Kunihiro Nagle, James Lawrence Nagy, Elemer Nairz, Armin Nakahama Higuchi, Yu Nakamura, Koji Nakkalil, Keerthi Nanjo, Hajime Narayan, Rohin Thampilali Narayanan, Easwar Anand Naryshkin, Iurii Naseri, Mohsen Nasri, Salah Nass, Christian Navarro, Gabriela Alejandra Navarro Gonzalez, Josep Nayak, Ranjit Nayaz, Abdullah Nechaeva, Polina Nechansky, Filip Nedic, Luka Neep, T.J. Negri, Andrea Negrini, Matteo Nellist, Clara Nelson, Christina Nelson, Kevin Michael Nemecek, Stanislav Nessi, Marzio Neubauer, Mark Neuhaus, Friedemann Neundorf, Jonas Newhouse, Robin Newman, Paul Richard Ng, Chi Wing Ng, Ying Wun Yvonne Ngair, Badr-Eddine Nguyen, Hoang Dai Nghia Nickerson, Richard Nikolaidou, Rosy Nielsen, Jason Niemeyer, Marcel Niermann, Joana Nikiforou, Nikiforos Nikolaenko, Vladimir Nikolic-Audit, I. Nikolopoulos, Konstantinos Nilsson, Paul Ninca, Ilona-Stefana Nindhito, Herjuno Rah Ninio, Gadi Nisati, Aleandro Nishu, Nishu Nisius, Richard Nitschke, Jan-Eric Nkadimeng, Edward Khomotso Nobe, Takuya Noel, Daniel Louis Nommensen, Thomas Norfolk, Mitch Bin Norisam, Raif Rafideen Norman, Bryce John Noury, Meryem Novak, Jakob Novak, Tadej Novotny, Lukas Novotny, Radek Nozka, Libor Ntekas, Kostas Nunes De Moura, Natanael, Junior. Nurse, Emily Laura Ocariz, Jose Humberto Ochi, Atsuhiko Ochoa, Ines Ordek, Serhat Offermann, Jan Tuzlic Ogrodnik, Agnieszka Ewa Oh, Alexander Ohm, Christian Oide, Hideyuki Oishi, Reiyo Ojeda, Martina Laura O'Keefe, Michael William Okumura, Yasuyuki Oleiro Seabra, L.F. Olivares Pino, Sebastian Andres Oliveira Damazio, Denis Oliveira Goncalves, Dayane Oliver, Jason Öncel, Ö. O. O'Neill, Aaron Paul Onofre, Antonio Onyisi, P.U. E. Oreglia, Mark Orellana, Gonzalo Enrique Orestano, Domizia Orlando, Nicola Orr, Robert O'Shea, Val Osojnak, Lauren Melissa Ospanov, Rustem Otero Y Garzon, Gustavo Otono, Hidetoshi Ott, Philipp Sebastian Ottino, Gregory James Ouchrif, Mohamed Ouellette, Jeff Ould-Saada, Farid Owen, Mark Andrew Owen, Rhys Edward Oyulmaz, Kaan Yuksel Ozcan, Erkcan Ozturk, Ferhat Ozturk, Nurcan Ozturk, Sertac Pacey, Holly Pacheco Pages, Andreu Padilla Aranda, Cristobal Padovano, Giovanni Pagan Griso, Simone Palacino Caviedes, Gabriel David Palazzo, Alessandra Palestini, Sandro Pan, Jingjing Pan, Tong Panchal, D.K. Pandini, Carlo Panduro Vazquez, J.G. Pandya, Hitarthi Deepak Pang, Hao Pani, Priscilla Panizzo, Giancarlo Paolozzi, Lorenzo Papadatos, Constantine Parajuli, Santosh Paramonov, Alexander Paraskevopoulos, Christos Paredes Hernandez, Daniela Katherinne Park, Ki Ryeong Park, Tae Hyoun Parker, Andy Parodi, Fabrizio Parrish, Elliot Parrish, Victoria Alexis Parsons, John Parzefall, Ulrich Pascual Dias, B. Pascual Dominguez, Luis Pasqualucci, Enrico Passaggio, Stefano Pastore, Francesca Pasuwan, Patrawan Patel, Pragati Patel, Utsav Mukesh Pater, J.R. Pauly, Thilo Pearkes, Jannicke Andree Pedersen, Maiken Pedro, Rute Peleganchuk, Sergey Penc, Ondrej Pender, Emily Alexandra Penski, Katrin Elisabeth Penzin, Maksim Sotto-Maior Peralva, Bernardo Pereira Peixoto, A.P. Pereira Sanchez, Laura Perepelitsa, Dennis Perez Codina, Estel Perganti, Maria Perini, Laura Pernegger, Heinz Perrin, Oceane Peters, Krisztian Peters, Reinhild Petersen, Brian Petersen, Troels Petit, Elisabeth Petousis, Vlasios Petridou, Chariclia Petrukhin, Alexey Pettee, Mariel Pettersson, Nora Emilia Petukhov, Aleksandr Petukhova, K. Pezoa Rivera, Raquel Pezzotti, Lorenzo Pezzullo, Gianantonio Pham, Minh Tuan Phillips, Peter Piacquadio, Giacinto Pianori, Elisabetta Piazza, Federica Piegaia, Ricardo Pietreanu, Dorel Pilkington, Andrew Pinamonti, Michele Pinfold, James Pinheiro Pereira, B.C. Pinto Pinoargote, Andres Eloy Pintucci, Laura Piper, Katie Pirttikoski, Antti Pizzi, Dylan Pizzimento, Luca Pizzini, Alessio Pleier, Marc-Andre Plesanovs, Vladislavs Pleskot, Vojtech Plotnikova, Elena Poddar, Gitanjali Poettgen, R. Poggioli, Luc Pokharel, Ishan Polacek, Stanislav Polesello, Giacomo Poley, Anne-Luise Polifka, Richard Polini, Alessandro Pollard, Chris Pollock, Zachary Polychronakos, Venetios Pompa Pacchi, Elena Ponomarenko, Daniil Pontecorvo, Ludovico Popa, Stefan Popeneciu, Gabriel Poreba, Aleksandra Portillo Quintero, Dilia Maria Pospisil, Stanislav Postill, Michael Antony Postolache, Petronel Potamianos, Karolos Potepa, Patrycja Anna Potrap, Igor Potti, Harish Poulsen, Trine Poveda, J. Pozo Astigarraga, Eukeni Prades Ibanez, Alberto Pretel, Jose Price, Darren Primavera, Margherita Principe Martin, Miguel Angel Privara, Radek Procter, Tomasz Proffitt, Mason Proklova, Nadezhda Prokofiev, Kirill Proto, Giorgia Protopopescu, Serban Przybycien, Mariusz Przygoda, Witold Wojciech Puddefoot, Joshua Eldon Pudzha, Dennis Pyatiizbyantseva, Diana Qian, Jianming Dong, Qichen Qin, Y. Qiu, Tong Quadt, Arnulf Queitsch-Maitland, Michaela Quetant, Guillaume Quinn, Ryan Rabanal Bolanos, Gabriel Rafanoharana, Dimbiniaina Ragusa, Francesco Rainbolt, Lacey Raine, Johnny Rajagopalan, Srini Ramakoti, Ekaterina Ramirez-Berend, Ian Alejandro Ran, Kunlin Rasheed, Hammad Raskina, Valentina Rassloff, Damir Fabrice Rave, Stefan Ravina, Baptiste Ravinovich, Ilia Raymond, Michel Read, Alexander Lincoln Readioff, Nathan Peter Rebuzzi, Daniela Redlinger, George Reed, Alice Reeves, Kendall Reidelsturz, Joshua Aaron Reikher, David Rej, Amartya Rembser, Christoph Renardi, Alessia Renda, Michele Rendel, Marian Benedikt Renner, Frederic Rennie, Adam Rescia, Alberto Resconi, Silvia Ressegotti, Martina Rettie, Sebastien Reyes Rivera, Jose Gabriel Reynolds, Elliot Rezanova, Olga Reznicek, Pavel Ribaric, Neza Ricci, Ester Richter, Robert Richter, Stefan Richter-Was, Elzbieta Ridel, Melissa Ridouani, Selaiman Rieck, Patrick Riedler, Petra Riefel, Ellen Maria Rieger, Oliver Rijssenbeek, Michael Rimoldi, Adele Rimoldi, Marco Rinaldi, Lorenzo Rinn, Timothy Thomas Rinnagel, Maximilian Paul Ripellino, Giulia Riu, Imma Rivadeneira Bracho, Pablo Andres Rivera Vergara, Juan Cristobal Rizatdinova, Flera Rizvi, Eram Syed Roberts, Bryn Arthur Roberts, Ryan Robertson, Steven Robinson, Dave Robles Gajardo, Carolina Michel Robson, Aidan Rocchi, Alessandro Roda, Chiara Rodriguez Bosca, Sergi Rodriguez Garcia, Yohany Rodriguez Rodriguez, Arturo Rodriguez Vera, Ana Maria Roe, Shaun Roemer, Jonas Till Roepe-Gier, Amber Roggel, Jens Rohne, Ole Rojas Caballero, Rimsky Alejandro Roland, Christophe Roloff, Jennifer Romaniouk, Anatoli Romano, Emanuele Romano, Marino Rompotis, Nikolaos Roos, Lydia Rosati, Stefano Rosser, Benjamin John Rossi, Leonardo Rossini, Lorenzo Rosten, Rachel Christine Rotaru, Marina Rottler, Benjamin Rougier, Charline Rousseau, David Rousso, David Roy, Avik Roy-Garand, Sebastien Rozanov, Alexandre Rozario, Z.M. A. Rozen, Yoram Ruan, X. Rubio Jimenez, Adrian Ruby, Adam James Ruelas Rivera, Victor Hugo Ruggeri, Tristan Andrew Ruggiero, Alessandro Ruiz Martinez, Arantxa Rummler, Andre Rurikova, Zuzana Rusakovich, Nikolai Russell, Heather Russo, Graziella Rutherfoord, John P. Rutherford Colmenares, Sebastian Rybacki, Katherine Amy Rybar, Martin Rye, Eli Baverfjord Ryzhov, Andrey Sabater Iglesias, Jorge Andres Sabatini, Paolo Sadrozinski, Hartmut Safai Tehrani, Francesco Safarzadeh Samani, Batool Safdari, Murtaza Saha, Shreya Sahinsoy, Merve Saibel, Andrej Saimpert, Matthias Saito, Masahiko Saito, Tomoyuki Salamani, Dalila Salnikov, Andy Salt, Jose Salvador Salas, Adrian Salvatore, Daniela Salvatore, Fabrizio Salzburger, Andreas Sammel, Dirk Sampsonidis, Dimos Sampsonidou, Despoina Sanchez Martinez, Francisco Javier Sanchez Pineda, Arturos Sanchez Sebastian, Victoria Sandaker, Heidi Sander, Christian Sandesara, Jay Ajitbhai Sandhoff, Marisa Sandoval Usme, Carlos Sankey, D.P. C. Sano, Takane Sansoni, Andrea Santi, Lorenzo Santoni, Claudio Santos, Helena Santpur, Sai Neha Santra, Arka Saoucha, Kamal Mendes Saraiva, Joao Gentil Sardain, Jad Mathieu Sasaki, Osamu Sato, Koji Sauer, Christof Sauerburger, Frank Sauvan, Emmanuel Savard, Pierre Sawada, Ryu Sawyer, Craig Sawyer, Lee Sayago Galvan, Ivan Sbarra, Carla Sbrizzi, Antonio Scanlon, Timothy Paul Schaarschmidt, Jana Schacht, Peter Schaefer, Uli Schaile, Dorothee Schamberger, Robert Dean, Jr. Scharf, Christian Schefer, Meinrad Moritz Schegelsky, V.A. Scheirich, Daniel Schenck, Ferdinand Schernau, Michael Scheulen, Chris Schiavi, Carlo Schioppa, Enrico, Junior. Schioppa, Marco Schlag, Bastian Schleicher, Katharina Schlenker, Stefan Schmeing, Jonas Schmidt, Mustafa Andre Schmieden, Kristof Schmitt, Christian Schmitt, Niklas Schmitt, Stefan Schoeffel, Laurent Olivier Schoening, Andre Scholer, Patrick Schopf, Elisabeth Schott, Matthias Schovancova, Jaroslava Schramm, Steven Schroeder, Frederic Schroer, Tomke Schultz-Coulon, Hans-Christian Schumacher, Markus Schumm, Bruce Andrew Schune, Ph. Schuy, Alexander Joseph Schwartz, Hava Rhian Schwartzman, Ariel Gustavo Schwarz, Thomas Andrew Schwemling, Ph. Schwienhorst, Reinhard Sciandra, Andrea Sciolla, Gabriella Scuri, Fabrizio Sebastiani, Cristiano Sedlaczek, Kevin Seema, Pienpen Seidel, Sally Seiden, Abraham Seidlitz, Blair Daniel Seitz, Claudia Seixas, Jose Sekhniaidze, Givi Sekula, Stephen Jacob Selem, Luka Semprini Cesari, Nicola Sengupta, Debajyoti Senthilkumar, Varsha Serin, Laurent Serkin, Leonid Sessa, Marco Severini, Horst Sforza, Federico Sfyrla, Anna Shabalina, Elizaveta Shaheen, Rabia Shahinian, Jeff Shaked Renous, Dan Shan, Lianyou Shapiro, Marjorie Sharma, Punit Sharma, Surabhi Shatalov, P.B. Shaw, Kate Shaw, Savanna Shcherbakova, A. Shen, Qiuping Sheppard, Damian Joseph Sherwood, Peter Shi, Liaoshan Shi, Xin Shimmin, Chase Owen Shinner, James David Shipsey, I.P. J. Shirabe, Shohei Shiyakova, Mariya Shlomi, Jonathan Shochet, M.J. Shojaii, Jafar Shope, David Richard Shrestha, Bijay Shrestha, Suyog Shrif, Esra Mohammed Shroff, Maheyer Jamshed Sicho, Petr Sickles, Anne Marie Sideras Haddad, Elias Sidoti, Antonio Siegert, Frank Sijacki, Dj. Sili, Francisco Silva Oliveira, Marcos Vinicius Silverstein, Samuel Simion, Stefan Simoniello, Rosa Simpson, Ethan Lewis Simpson, Harry Simpson, Liana Simpson, Nathan Daniel Simsek, Sinem Sindhu, Sreelakshmi Sinervo, Pekka Singh, Sahibjeet Sioli, Maximiliano Siral, Ismet Sitnikova, Elizaveta Sivoklokov, Serguei Sjoelin, Joergen Skaf, Ali Skorda, Eleni Skubic, Patrick Slawinska, Magdalena Smakhtin, Vladimir Smart, Ben Harry Smiesko, Juraj Smirnov, Serge Smirnov, Yury Smirnova, Lidia Smirnova, Oxana Smith, Andrew Caldon Smith, Emily Ann Smith, Hayden Alexander Smith, James Smith, Rachel Emma Clarke Smizanska, Maria Smolek, Karel Snesarev, Andrei Snider, Sean Robert Snoek, Hella Snyder, Scott Sobie, Randy Soffer, Abi Solans Sanchez, Carlos Soldatov, Evgeny Soldevila Serrano, Urmila Solodkov, A.A. Solomon, Shalu Soloshenko, Aleksey Solovieva, Ksenia Solovyanov, Oleg Solovyev, Victor Sommer, Philip Sonay, Anil Song, Wen Yi Sonneveld, Jory Sopczak, Andre Sopio, Alex Sopkova, Filomena Sotarriva Alvarez, Isai Roberto Sothilingam, Varsiha Soto Sandoval, Orlando Javier Sottocornola, Simone Soualah, Rachik Soumaimi, Zainab South, David Soybelman, Nathalie Spagnolo, Stefania Spalla, Margherita Sperlich, Dennis Spigo, Giancarlo Spinali, Sebastiano Spiteri, Dwayne Patrick Spousta, Martin Staats, Ezekiel Stabile, Alberto Stamen, Rainer Stampekis, Alexios Standke, Mark Stanecka, Ewa Stange, Max Vincent Stanislaus, Beojan Stanitzki, Marcel Stapf, Birgit Sylvia Starchenko, E.A. Stark, Giordon Holtsberg Stark, Jan Starko, Darij Markian Staroba, Pavel Starovoitov, Pavel Staerz, Steffen Staszewski, Rafal Stavropoulos, George Steentoft, Jonas Steinberg, Peter Alan Stelzer, Bernd Stelzer, Joerg Stelzer-Chilton, Oliver Stenzel, Hasko Stevenson, Thomas James Stewart, Graeme A. Stewart, Joshua Ryan Stockton, Mark Stoicea, Gabriel Stolarski, Marcin Stonjek, Stefan Straessner, Arno Strandberg, Jonas Strandberg, Sara Stratmann, Maren Strauss, Mike Strebler, Thomas Strizenec, Pavol Strohmer, Raimund Strom, David Stroynowski, Ryszard Strubig, Antonia Stucci, Stefania Antonia Stugu, Bjarne Stupak, John Styles, Nicholas Su, Dong Su, Shixiang Su, Wanyun Su, Xiaowen Sugizaki, Kaito Sulin, Vladimir Sullivan, Matthew James Sultan, D.M. S. Sultanaliyeva, Laily Sultansoy, S. Sumida, Toshi Sunneborn Gudnadottir, O. Sur, Nairit Sutton, Mark Suzuki, Hisanori Svatos, Michal Swiatlowski, Maximilian J. Swirski, Thorben Sykora, Ivan Sykora, Martin Sykora, Tomas Ta, Duc Tackmann, Kerstin Taffard, Anyes Tafirout, Reda Tafoya Vargas, Juan Salvador Takeva, Emily Petrova Takubo, Yosuke Talby, Mossadek Talyshev, Alexei Tam, Kai Chung Tamir, Nadav Michael Tanaka, Aoto Tanaka, Junichi Tanaka, Rei Tanasini, Martino Tao, Zhengcheng Tapia Araya, Sebastian Tapprogge, Stefan Tarek Abouelfadl Mohamed, A. Tarem, Shlomit Tariq, Khuram Tarna, Grigore Tartarelli, Francesco Tas, Petr Tasevsky, Marek Tassi, Enrico Tate, Aric Tateno, Gen Tayalati, Yahya Taylor, Geoffrey Norman Taylor, Wendy Jane Tee, A.S. Teixeira De Lima, Rafael Teixeira-Dias, Pedro Teoh, Jia Jian Terashi, Koji Terron Cuadrado, Juan Terzo, Stefano Testa, Marianna Teuscher, Richard Thaler, Alexander Theiner, Ondrej Themistokleous, Neofytos Theveneaux-Pelzer, Timothee Thielmann, Oliver Thomas, David William Thomas, Juergen Thompson, Emily Anne Thompson, Paul Thomson, Evelyn Jean Tian, Yusong Tikhomirov, Vladimir Tikhonov, Yu. A. Timoshenko, Sergei Timoshyn, Denys Ting, Edmund Xiang Lin Tipton, Paul Louis Tlou, Humphry Tnourji, Abdellah Todome, Kazuki Todorova-Nova, S. Todt, Stefanie Togawa, Manabu Tojo, Junji Tokar, Stano Tokushuku, Katsuo Toldaiev, O. Tombs, Rupert Tomoto, Makoto Tompkins, Lauren Alexandra Topolnicki, Kacper Wojciech Torrence, Eric Torres, Heberth Torro Pastor, Emma Toscani, Mariana Tosciri, Cecilia Tost, Marc Tovey, Daniel Traeet, Are Sivertsen Trandafir, Iulia-Stefania Trefzger, Thomas Tricoli, Alessandro Trigger, Isabel Trincaz-Duvoid, Sophie Trischuk, Dominique Trocme, Benjamin Troncon, Clara Mueller, Roman Truong, Thi Ngoc Loan Trzebinski, Maciej Trzupek, Adam Tsai, Fang-Ying Tsai, Meng-Ju Tsiamis, Angelos Tsiareshka, Pavel Tsigaridas, Stergios Tsirigotis, Apostolos Tsiskaridze, Vakhtang Tskhadadze, Edisher Tsopoulou, Maria-Evanthia Tsujikawa, Yoshiaki Tsukerman, Ilia Tsulaia, Vakhtang Tsuno, Soshi Tsuri, Kimu Tsybyshev, Tsybychev Dmitri Tu, Yanjun Tudorache, Alexandra Tudorache, Valentina Tuna, Alexander Naip Turchikhin, Semen Turk Cakir, Ilkay Turra, Ruggero Turtuvshin, Tulgaa Tzamarias, Spyros Tzanis, Polyneikis Tzovara, Eftychia Ukegawa, Fumihiko Ulloa Poblete, Pablo Augusto Umaka, Ejiro Naomi Unal, Guillaume Unal, Mesut Undrus, Alexander Unel, Gokhan Urban, Josef Urquijo, Phillip Urrejola, Pedro Usai, Giulio Ushioda, Risa Usman, Muhammad Uysal, Zekeriya Vacek, Vic Vachon, Brigitte Vadla, Knut Oddvar Hoie Vafeiadis, Theodoros Vaitkus, Andrius Valderanis, Chrysostomos Valdes Santurio, Eduardo Valente, Marco Valentinetti, Sara Valero Biot, Alberto Valiente Moreno, Enrique Vallier, Alexis Valls Ferrer, Juan Van Arneman, Dylan Remberto Van Daalen, Tal Roelof Van Der Graaf, Aaron Van Gemmeren, Peter Van Rijnbach, Milou Van Stroud, Samuel Van Vulpen, Ivo Vanadia, Marco Vandelli, Wainer Vandenbroucke, Maxence Vandewall, E.R. Vannicola, Damiano Vannoli, Leonardo Vari, Riccardo Varnes, Erich Ward Varni, Carlo Varol, T. Varouchas, Dimitris Varriale, Lorenzo Varvell, Kevin Vasile, Matei Vaslin, Louis Vasquez, Gerardo Vasyukov, Artem Vazeille, Francois Vazquez Schroeder, Tamara Veatch, Jason Robert Vecchio, Valentina Veen, Michiel Jan Veliscek, Iza Veloce, Laurelle Maria Veloso, Filipe Veneziano, Stefano Ventura, Andrea Ventura Gonzalez, Salvador Verbytskyi, Andrii Verducci, Monica Vergis, Christos Verissimo De Araujo, Micael Verkerke, Wouter Vermeulen, J.C. Vernieri, Caterina Vessella, Makayla Vetterli, M.C. Vgenopoulos, Andreas Viaux Maira, Nicolas Vickey, Trevor Vickey Boeriu, Oana Viehhauser, G.H. A. Vigani, Luigi Villa, Mauro Villaplana Perez, M. Villhauer, Elena Michelle Vilucchi, Elisabetta Vincter, Manuella Virdee, Govindraj Singh Vishwakarma, Akanksha Visibile, Andrea Vittori, Camilla Vivarelli, Iacopo Voevodina, Elena Vogel, Fabian Voigt, Johann Christoph Vokac, Petr Volkotrub, Yu. Von Ahnen, Janik Von Torne, Eckhard Vormwald, Benedikt Vorobel, Vit Vorobev, Konstantin Vos, Marcel Voss, Katharina Vossebeld, Joost Vozak, Matous Vozdecky, Lubos Vranjes, Nenad Vranjes Milosavljevic, Marija Vreeswijk, Marcel Vu, Ngoc Khanh Vuillermet, Raphael Vujinovic, Olivera Vukotic, Ilija Wada, Sayaka Wagner, Cooper Wagner, Johannes Michael Wagner, Wolfgang Wahdan, Shayma Wahlberg, Hernan Pablo Wakida, Moe Walder, James William Walker, Rodney Walkowiak, Wolfgang Wall, Andie Wamorkar, Tanvi Wang, Alex Zeng Wang, Haichen Wang, Jiawei Wang, Tao Warburton, Andreas Ward, Robert James Warrack, Neil Watson, Alan Watson, Harriet Watson, Miriam Watton, Elliot Watts, Gordon Waugh, Benedict Martin Weber, Christian Weber, Hannsjorg Weber, Michele Weber, Sebastian Mario Wei, Chuanshun Wei, Yingjie Weidberg, Anthony Weik, Edison James Weingarten, Jens Weirich, Marcel Weiser, Christian Wells, Craig John Wenaus, Torre Wendland, Bjoern Wengler, Thorsten Wenke, Nina Stephanie Wermes, Norbert Wessels, Martin Wharton, Andrew Mark White, Martin John Whiteson, Daniel Wickremasinghe, Lakmin Wiedenmann, Werner Wiel, Christian Wielers, Monika Wiglesworth, Craig Wilbern, Daniel John Wilkens, Henric Williams, Daniel Williams, Hugh Williams, Sarah Louise Willocq, Stephane Wilson, Benjamin James Windischhofer, Philipp Winkel, Federico Winklmeier, Frank Winter, Benedict Tobias Winter, Joshua Krystian Wittgen, Matthias Wobisch, Markus Wolffs, Zef Wollrath, Julian Wolter, Marcin Wolters, Helmut Wongel, Alicia Woodward, Eleanor Luise Worm, Steven Wosiek, Barbara Krystyna Wozniak, Krzysztof Wieslaw Wozniewski, Sebastian Wraight, Kenneth Gibb Wu, Chonghao Wu, Jinfei Wu, Sau Lan Wu, Xin Wu, Yusheng Wu, Zhibo Wuerzinger, J. Wyatt, Terry Wynne, Benjamin Michael Xella, Stefania Xia, Ligang Xia, Mingming Xiang, Jianhuan Xie, Mingzhe Xie, Xiangyu Xin, Shuiting Xiong, Anni Xiong, Junwen Xu, Da Xu, Hao Xu, Lailin Xu, Riley Xu, Tairan Xu, Yue Xu, Zhongyukun Xu, Zifeng Yabsley, Bruce Donald Yacoob, Sahal Yamaguchi, Yohei Yamashita, Erika Yamauchi, Hiroki Yamazaki, Tomohiro Yamazaki, Yuji Yan, Jun Yan, Siyuan Yan, Zhen Yang, Haijun Yang, Hongtao Yang, Siqi Yang, Tianyi Yang, Xiao Yang, Xuan Yang, Yi-Lin Yang, Yifan Yang, Zhe Yao, Wei-Ming Yap, Yee Chinn Ye, Hanfei Ye, Hua Ye, Jingbo Ye, Shuwei Ye, Xinmeng Yeh, Yoran Yeletskikh, Ivan Yeo, Beom Ki Yeo, Beomki Yexley, Melissa Yin, Pengqi Yorita, Kohei Younas, Sulman Young, Christopher Young, Charlie Yu, Chengjun Yu, Yi Yuan, Man Yuan, Rui Yue, Luzhan Zaazoua, Mohamed Zabinski, Bartlomiej Henryk Zaid, Estifa'A Zak, Zuzanna Katarzyna Zakareishvili, Tamar Zakharchuk, Nataliia Zambito, Stefano Zamora Saa, Jilberto Antonio Zang, Jiaqi Zanzi, Daniele Zaplatilek, Ota Zeitnitz, Christian Zeng, Hao Zeng, Jiancong Zenger, Todd Zenin, Oleg Zenis, Tibor Zenz, Seth Zerradi, Soufiane Zerwas, Dirk Zhai, Mingjie Zhang, Bowen Zhang, Dengfeng Zhang, Jie Zhang, Jinlong Zhang, Kaili Zhang, Lei Zhang, Peng Zhang, Rui Zhang, Shuzhou Zhang, Sijing Zhang, Tingyu Zhang, Xiangke Zhang, Xueyao Zhang, Yulei Zhang, Yuwen Ebony Zhang, Yixiang Zhang, Zhicai Zhang, Zhiqing Philippe Zhao, Haoran Zhao, Tongbin Zhao, Yuzhan Zhao, Zhengguo Zhemchugov, Alexey Zheng, Jinchao Zheng, Kai Zheng, Xiangxuan Zheng, Zhi Zhong, Dewen Zhou, Bing Zhou, Hao Zhou, Ning Zhou, You Zhu, Chengguang Zhu, Junjie Zhu, Yifan Zhu, Yingchun Zhuang, Xuai Zhukov, Konstantin Zhulanov, Vladimir Zimine, Nikolai Zinsser, Joachim Ziolkowski, Michal Zivkovic, Lidija Zoccoli, Antonio Zoch, Knut Zorbas, Theodore Zormpa, Olga Zou, Wenkai Zwalinski, Lukasz JHEP 10.1007/JHEP11(2024)097 097 2411 Higgs physics particle and resonance production experimental results Higgs couplings BSM combination BSM interpretations 2024 2024-11-15 Measurements of the Higgs boson production times decay rates and differential cross-sections have recently been performed by the ATLAS experiment in several decay channels using up to 139 fb$^{-1}$ of proton-proton collision data at $\sqrt{s}=13$ TeV recorded at the Large Hadron Collider. This paper presents multiple interpretations of these Higgs boson measurements. Measurements of production-mode cross-sections, simplified template cross-sections and fiducial differential cross-sections in different decay channels are reparameterised in terms of the impact of Standard Model effective field theory operators, and constraints are reported on the corresponding Wilson coefficients. Production and decay rate measurements are interpreted in UV-complete extensions of the Standard Model, namely the two-Higgs-doublet model (2HDM) near the alignment limit and the Minimal Supersymmetric Standard Model (MSSM) for various MSSM benchmark scenarios. The constraints on the 2HDM parameters $(\cos(\beta-\alpha), \tan\beta)$ and the MSSM parameters $(m_A, \tan\beta)$ are complementary to those obtained from direct searches for additional Higgs bosons. Sato, Koji BSM Higgs BSM Higgs decays HDBS 2024 2024 We review recent results on Higgs bosons in models beyond the Standard Model from the ATLAS and CMS experiments at the LHC. Topics include the current status of the searches for MSSM Higgs bosons, searches for exotic decay of the 125 GeV Higgs boson, and a selection of most recent analysis results based on full Run 2 dataset. Bahmani, Marzieh 10.22323/1.485.0417 Heavy resonance, heavy Higgs HDBS 2025 2025 The Standard Model (SM) has been remarkably successful, yet several key questions remain open, including the nature of dark matter, the matter–antimatter asymmetry, and the origin of neutrino masses. Many extensions of the SM predict additional heavy particles, such as neutral scalars ($H$, $S$), pseudoscalars ($A$), and charged Higgs bosons ($H^\pm$, $H^{\pm\pm}$), as realised for example in Two-Higgs-Doublet Models, Supersymmetry, or hidden-sector Higgs models. We summarise ATLAS Run-2 searches for heavy resonances in these scenarios. Using \SI{140}{fb^{-1}} of $pp$ collisions at $\sqrt{s} $ =13 TeV, we present representative results in four channels: (i) $H^\pm\!\to W^\pm h\!\to\ell\nu b\bar b$, (ii) $H^\pm\!\to\tau\nu$, (iii) exotic decays $S\!\to Z_dZ_d\!\to 4\ell$, and (iv) model-independent dijet resonance searches using weakly supervised anomaly detection. No significant excess is observed. Limits are set in benchmark frameworks (2HDM, hMSSM/MSSM, HAHM) and on generic resonance cross sections, with notable sensitivity gains driven by advanced machine-learning techniques.