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10.
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ATLAS Charged Higgs Boson Searches
/ Assamagan, K ; Behar, S ; Coniavitis, E ; Dufour, M -A ; Ehrich, T ; Flechl, M ; Gross, E ; Lane, J ; Mohn, B ; Mohrdieck-Möck, S et al.
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. [...]
ATL-PHYS-INT-2008-046; ATL-COM-PHYS-2008-090.-
Geneva : CERN, 2008 - 97 p.
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13.
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A Data-driven Control Sample for $Z\rightarrow\tau^+\tau^- + \mbox{ jets}$ Backgrounds to Higgs Searches
/ Vickey, T; Chen, X; Mellado, B; Quayle, W; Wu, S L
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. [...]
ATL-COM-PHYS-2008-144.-
Geneva : CERN, 2008
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18.
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The ATLAS discovery potential for MSSM neutral Higgs bosons decaying into muon, tau, supersymmetric particle pairs
/ Gentile, S (Rome U. ; INFN, Rome)
/for the ATLAS Collaboration
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)..
ATL-PHYS-PROC-2009-020; ATL-COM-PHYS-2008-276.-
Geneva : CERN, 2009 - 5 p.
- Published in : Balkan Phys. Lett.: 16 (2009) , no. 1, pp. 109-113
- Published in : Balkan Phys. Lett.: 17 (2009) , pp. 121-125
Access to fulltext document: PDF; External link: Published version
In : International Conference on Particle Physics, in Memoriam Engin Arik and her Colleagues, Istanbul, Turkey, 27 - 31 Oct 2008, pp.121-125
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19.
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Higgs Property Measurements at the LHC
/ Assamagan, K A
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. [...]
ATL-PHYS-SLIDE-2009-010; ATL-COM-PHYS-2009-005.-
Geneva : CERN, 2009 - 23 p.
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24.
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Discovery Potential of h/A/H to tau+ tau- to l+l- 4nu
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. [...]
ATL-PHYS-PUB-2009-059 ; ATL-COM-PHYS-2009-218.
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2009. - 18 p.
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28.
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LHC Higgs Prospects
/ Schaffer, A (Orsay, LAL)
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. [...]
ATL-PHYS-PROC-2009-060 ; ATL-COM-PHYS-2009-320.
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2009. - 4 p.
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29.
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The ATLAS Forward Physics Program
/ Pinfold, JL
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. [...]
ATL-COM-LUM-2009-012.-
Geneva : CERN, 2009 - 5 p.
Access to fulltext document: PDF; External link: Approved Note
[Approved as a Proc - Check status]
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30.
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Non-SM Higgs Searches at the LHC
/ Horvat, S (Munich, Max Planck Inst.)
/on behalf of the ATLAS and CMS Collaborations
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. [...]
ATL-PHYS-PROC-2009-063; ATL-COM-PHYS-2009-328.-
Geneva : CERN, 2009 - 5 p.
- Published in : Prog. High Energy Phys.: 3 (2009) , pp. 53
Fulltext: PDF;
In : 17th International Workshop on Deep-inelastic Scattering and Related Subjects, Madrid, Spain, 26 Apr - 30 Apr 2009, pp.53
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31.
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Detection of Long-Lived Neutral Particles with ATLAS
/ Policicchio, A
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. [...]
ATL-COM-PHYS-2009-336.-
Geneva : CERN, 2009 - 4 p.
Access to fulltext document: PDF;
[Withdraw Approval Request - Check status]
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33.
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Light Charged Higgs Boson Searches for H+ to tau+ nu and H+ to c sbar in Early LHC Data at the ATLAS Experiment
/ Lane, J (Manchester University, United Kingdom); Martyniuk, A (Manchester University, United Kingdom); Miyagawa, P (Manchester University, United Kingdom); Yang, U (Manchester University, United Kingdom); Klemetti, M (McGill University, Montreal, Canada); Potter, C (McGill University, Montreal, Canada); Robertson, S (McGill University, Montreal, Canada); Buszello, C (Uppsala University, Sweden); Ferrari, A (Uppsala University, Sweden); Zimmer, S (Uppsala University, Sweden) et al.
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). [...]
ATL-COM-PHYS-2009-390.-
Geneva : CERN, 2009 - 31 p.
Access to fulltext document: PDF; External link: Approved Note
[Approved as a Note - Check status]
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43.
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Light Charged Higgs Boson Searches for H+ to tau+ nu and H+ to c sbar in Early LHC Data at the ATLAS Experiment
/ Lane, J (Manchester University, United Kingdom) ; Martyniuk, A (Manchester University, United Kingdom) ; Miyagawa, P (Manchester University, United Kingdom) ; Yang, U (Manchester University, United Kingdom) ; Klemetti, M (McGill University, Montreal, Canada) ; Potter, C (McGill University, Montreal, Canada) ; Robertson, S (McGill University, Montreal, Canada) ; Buszello, C (Uppsala University, Sweden) ; Ferrari, A (Uppsala University, Sweden) ; Zimmer, S (Uppsala University, Sweden) et al.
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). [...]
ATL-PHYS-INT-2009-105.-
Geneva : CERN, 2009 - 31 p.
Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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47.
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Higgs Production Cross Sections and Decay Branching Ratios
/ Andari, N; Assamagan, K; Bourgaux, A; Campanelli, M; Carrillo-Montoya, G; Escalier, M; Flechl, M; Huston, J; Muanza, S; Murray, B et al.
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. [...]
ATL-COM-PHYS-2010-046.-
Geneva : CERN, 2010 - 126 p.
Access to fulltext document: PDF; External link: Approved Note
[Approved as a Note - Check status]
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48.
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Discovery Potential of $A/H\to\tau^+\tau^-\to\ell h$ in ATLAS
/ Anders, C; Barberio, E; Cavalli, D; Davey, W; Dingfelder, J; Felzmann, U; Glatzer, J; Goussiou, A; Kobel, M; Mader, W F et al.
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. [...]
ATL-COM-PHYS-2010-120.-
Geneva : CERN, 2010 - 95 p.
Access to fulltext document: PDF; External link: Approved Note
[Approved as a Note - Check status]
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50.
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Higgs Production Cross Sections and Decay Branching Ratios
/ Andari, N ; Assamagan, K ; Bourgaux, A ; Campanelli, M ; Carrillo-Montoya, G ; Escalier, M ; Flechl, M ; Huston, J ; Muanza, S ; Murray, B et al.
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. [...]
ATL-PHYS-INT-2010-030.-
Geneva : CERN, 2010 - 126 p.
Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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51.
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Discovery Potential of $A/H\to\tau^+\tau^-\to\ell h$ in ATLAS
/ Anders, C ; Barberio, E ; Cavalli, D ; Davey, W ; Dingfelder, J ; Felzmann, U ; Glatzer, J ; Goussiou, A ; Kobel, M ; Mader, W F et al.
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. [...]
ATL-PHYS-INT-2010-036.-
Geneva : CERN, 2010 - 95 p.
Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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57.
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Combined Sensitivity to MSSM $H/A$->ττ->lh in 7 TeV Collisions at ATLAS
/ Anders, C; Barberio, E; Cavalli, D; Davey, W; Dingfelder, J; Felzmann, U; Glatzer, J; Goussiou, A; Kobel, M; Mader, W et al.
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. [...]
ATL-COM-PHYS-2010-255.-
Geneva : CERN, 2010 - 11 p.
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58.
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ATLAS sensitivity prospects for the neutral MSSM Higgs bosons in the $H/A\to \mu^+\mu^-$ decay channel at $\sqrt{s}$ = 7 TeV
/ Horvat, S (Max-Planck-Institut f. Physik, Munich); Kortner, O (Max-Planck-Institut f. Physik, Munich); Kroha, H (Max-Planck-Institut f. Physik, Munich); Stern, S (Max-Planck-Institut f. Physik, Munich)
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. [...]
ATL-COM-PHYS-2010-257.-
Geneva : CERN, 2010 - 9 p.
Access to fulltext document: PDF; External link: Approved Note
[Approved as a Note - Check status]
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60.
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ATLAS sensitivity prospects for the neutral MSSM Higgs bosons in the $H/A\to \mu^+\mu^-$ decay channel at $\sqrt{s}$ = 7 TeV
/ Horvat, S (Max-Planck-Institut f. Physik, Munich) ; Kortner, O (Max-Planck-Institut f. Physik, Munich) ; Kroha, H (Max-Planck-Institut f. Physik, Munich) ; Stern, S (Max-Planck-Institut f. Physik, Munich)
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. [...]
ATL-PHYS-INT-2010-057.-
Geneva : CERN, 2010 - 9 p.
Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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75.
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Systematics in charged Higgs search in ATLAS
/ Gentile, S (Università di Roma La Sapienza,INFN)
The charged light MH+ <Mtop MSSM Higgs boson production via t->bH+ and the subsequent decay into H+->csbar or H+ ->taunu has been studied for the ATLAS experiment. The first channel, dominating at low tan beta region (<1), is explored in the final state with 4 jets and one lepton and missing energy; the second, at high er tan beta region (>3), is searched in two leptons and two jets and missing ener gy final state. [...]
ATL-COM-PHYS-2010-948.-
Geneva : CERN, 2010 - 7 p.
Access to fulltext document: PDF; External link: Approved Note
[Approved as a Proc - Check status]
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84.
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Searches for a Neutral MSSM Higgs Boson Decaying to $ au_h au_l$ in $sqrt{s} = 7$ TeV Collisions at the ATLAS Experiment
/ Leney, KJC (University of Liverpool, University of the Witwatersrand); Burdin, S (University of Liverpool); Vickey, T (University of the Witwatersrand, University of Oxford)
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). [...]
ATL-COM-PHYS-2010-1062.-
Geneva : CERN, 2010 - 85 p.
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87.
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Search for neutral MSSM Higgs bosons decaying to tau+ tau- pairs in proton-proton collisions at sqrt{s} = 7 TeV with the ATLAS Experiment
/ Anders, C; Dingfelder, J; Goussiou, A; Gross, E; Keller, J; Kroseberg, J; Lai, S; Leney, K; Ma, L; Moeser, N et al.
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. [...]
ATL-COM-PHYS-2011-181.-
Geneva : CERN, 2011
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88.
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Search for neutral MSSM Higgs bosons decaying to tau+ tau- pairs in proton-proton collisions at sqrt{s} = 7 TeV with the ATLAS Experiment
/ Anders, C; Dingfelder, J; Goussiou, A; Gross, E; Keller, J; Kroseberg, J; Lai, S; Leney, K; Ma, L; Moeser, N et al.
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. [...]
ATLAS-COM-CONF-2011-037.-
Geneva : CERN, 2011
Access to fulltext document: PDF; External link: Approved Note
[Approved as a Conf - Check status]
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89.
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Data-driven estimation of the background to charged Higgs boson searches using hadronically-decaying tau final states in ATLAS
/ Arghir, S; Behar, S; Cavaliere, V; Coadou, Y; Czodrowski, P; Flechl, M; Kopp, A; McCarn, A; zur Nedden, M; Neubauer, M et al.
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 $\tan\beta$. [...]
ATLAS-COM-CONF-2011-048.-
Geneva : CERN, 2011
Access to fulltext document: PDF; External link: Approved Note
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95.
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Data-driven estimation of the background to H+ searches with hadronic-tau final states
/ Arghir, S ; Behar, S ; Cavaliere, V ; Coadou, Y ; Czodrowski, P ; Flechl, M ; Kopp, A ; McCarn, A ; zur Nedden, M ; Neubauer, M et al.
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. [...]
ATL-PHYS-INT-2011-028.-
Geneva : CERN, 2011
Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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97.
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Search for neutral Higgs bosons in the decay mode $H \rightarrow \tau^+\tau^- \rightarrow e\mu + $ 4 neutrinos in proton-proton collisions at $\sqrt{s}=7$~TeV with the ATLAS Experiment
/ Gross, E (Department of Particle Physics, The Weizmann Institute of Science, Rehovot, Israel); Nakamura, K (Department of Particle Physics, University of Tokyo, Japan); Nativ, E (Department of Particle Physics, The Weizmann Institute of Science, Rehovot, Israel); Pitt, M (Department of Particle Physics, The Weizmann Institute of Science, Rehovot, Israel); von Radziewski, H (Fakult\"at f\"ur Mathematik und Physik, Albert-Ludwigs Universit\"at, Freiburg im Br., Germany); Schillo, C (Fakult\"at f\"ur Mathematik und Physik, Albert-Ludwigs Universit\"at, Freiburg im Br., Germany); Silbert, O (Department of Particle Physics, The Weizmann Institute of Science, Rehovot, Israel); Schumacher, M (Fakult\"at f\"ur Mathematik und Physik, Albert-Ludwigs Universit\"at, Freiburg im Br., Germany); Tanaka, J (Department of Particle Physics, University of Tokyo, Japan); Warsinsky, M (-)
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. [...]
ATL-COM-PHYS-2011-441.-
Geneva : CERN, 2011 - 22 p.
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98.
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Search for neutral MSSM Higgs bosons decaying to $ au^+ au^-$ pairs in proton-proton collisions at $sqrt{s}=7$~TeV with the ATLAS Experiment
/ Anders, C; Dingfelder, J; Goussiou, A; Gross, E; Keller, J; Kroseberg, J; Lai, S; Leney, K; Ma, L; Moeser, N et al.
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. [...]
ATL-COM-PHYS-2011-458.-
Geneva : CERN, 2011 - 7 p.
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99.
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Search for neutral MSSM Higgs bosons decaying to tau+tau- pairs in proton-proton collisions at $sqrt{s}=7$~TeV with the ATLAS Experiment
/ Anders, C; Dingfelder, J; Goussiou, A; Gross, E; Keller, J; Kroseberg, J; Lai, S; Leney, K; Ma, L; Moeser, N et al.
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-. [...]
ATL-COM-PHYS-2011-500.-
Geneva : CERN, 2011
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100.
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Search for neutral MSSM Higgs bosons decaying to tau+ tau- pairs in proton-proton collisions at sqrt{s} = 7 TeV with the ATLAS Experiment
/ Anders, C; Dingfelder, J; Goussiou, A; Gross, E; Keller, J; Kroseberg, J; Lai, S; Leney, K; Ma, L; Moeser, N et al.
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. [...]
ATL-COM-PHYS-2011-535.-
Geneva : CERN, 2011
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103.
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Search for Charged Higgs Bosons in the $\tau$+jets Final State in $t\overline{t}$ Decays with 1.03 fb$^{-1}$ of $pp$ Collision Data Recorded at $\sqrt{s} = 7$ TeV with the ATLAS Experiment---Supporting Note
/ Cavaliere, V; Czodrowski, P; Flechl, M; Isaksson, C; Kopp, A; Martyniuk, A; McCarn, A; Owen, M; zur Nedden, M; Neubauer, M et al.
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 $90 \GeV<m_{H^\pm}<160 \GeV$. [...]
ATL-COM-PHYS-2011-607.-
Geneva : CERN, 2011
Access to fulltext document: PDF; External link: Approved Note
[Approved as a Note - Check status]
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105.
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Higgs Boson Searches with ATLAS based on 2010 Data
/ Schumacher, M (ALU Freiburg)
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. [...]
ATL-COM-PHYS-2011-646.-
Geneva : CERN, 2011 - 6 p.
Access to fulltext document: PDF; External link: Approved Note
[Approved as a Proc - Check status]
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108.
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Search for neutral Higgs bosons in the decay mode H -> tautau -> ll+ 4 neutrinos in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS Experiment
/ Barberio, E; Beckingham, M; Chen, X; Ferrer, A; Fiorini, L; Flechl, M; Gross, E; Gumpert, C; Mellado, B; Pan, Y et al.
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. [...]
ATL-COM-PHYS-2011-758.-
Geneva : CERN, 2011
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111.
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Search for neutral MSSM Higgs bosons in the decay mode H->tau tau -> hadhad + 2 neutrinos in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS Experiment
/ Barberio, E; Davey, W; Dingfelder, J; Dhaliwal, S; Glatzer, J; Hanninger, G N; Mader, W; Morgenstern, M; Pranko, A; Rosendahl, P et al.
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. [...]
ATL-COM-PHYS-2011-937.-
Geneva : CERN, 2011 - 89 p.
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112.
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Search for Neutral Higgs Bosons H → τ+τ− → lτ with the ATLAS Detector in 7 TeV Collisions
/ Anders, C; Banerjee, S; Boddy, C; Bristow, T; Dingfelder, J; Farrington, S; Galea, C; Hanawa, K; Heng, Y; Hsu, S-C et al.
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. [...]
ATL-COM-PHYS-2011-939.-
Geneva : CERN, 2011
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116.
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Search for neutral MSSM Higgs bosons decaying to tau^+tau^- pairs in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector
/ Anders, C; Barberio, E; Banerjee, S; Beckingham, M; Boddy, C; Bristow, T; Chen, X; Davey, W; Dingfelder, J; Dhaliwal, S et al.
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 . [...]
ATL-COM-PHYS-2011-1027.-
Geneva : CERN, 2011 - 23 p.
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117.
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Search for neutral MSSM Higgs bosons decaying to tau+tau- pairs in proton-proton collisions at sqrt(s) = 7 TeV with the ATLAS detector
/ Anders, C; Barberio, E; Banerjee, S; Beckingham, M; Boddy, C; Bristow, T; Chen, X; Davey, W; Dingfelder, J; Dhaliwal, S et al.
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 . [...]
ATLAS-COM-CONF-2011-155.-
Geneva : CERN, 2011 - 23 p.
Fulltext: PDF; External link: Approved Note
[Approved as a Conf - Check status]
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118.
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Search for charged Higgs bosons in the $\tau\mbox{(hadronic)}$+jets final state with 1.03 fb$^{−1}$ of $pp$ collision data recorded at $\sqrt{s} = 7$ TeV with the ATLAS Experiment
/ Czodrowski, P; Flechl, M; Isaksson, C; Kopp, A; Martyniuk, A; McCarn, A; Owen, M; zur Nedden, M; Neubauer, M; Patel, N et al.
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. [...]
ATL-COM-PHYS-2011-1051.-
Geneva : CERN, 2011
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119.
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Search for Charged Higgs Bosons in the $\tau$+jets Final State in $t\overline{t}$ Decays with 1.03 fb$^{-1}$ of $pp$ Collision Data Recorded at $\sqrt{s} = 7$ TeV with the ATLAS Experiment
/ Cavaliere, V; Czodrowski, P; Flechl, M; Isaksson, C; Kopp, A; Martyniuk, A; McCarn, A; Owen, M; zur Nedden, M; Neubauer, M et al.
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 $90 \GeV<m_{H^\pm}<160 \GeV$. [...]
ATLAS-COM-CONF-2011-156.-
Geneva : CERN, 2011
Access to fulltext document: PDF; External link: Approved Note
[Approved as a Conf - Check status]
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120.
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The search for NMMSM ``Ideal Higgs Scenario'' at ATLAS
/ Jez, P (Niels Bohr Institute)
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). [...]
ATL-COM-PHYS-2011-1084.-
Geneva : CERN, 2011 - 1 p.
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123.
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Search for Charged Higgs Bosons in the $\tau$+jets Final State in $t\overline{t}$ Decays with 1.03 fb$^{-1}$ of $pp$ Collision Data Recorded at $\sqrt{s} = 7$ TeV with the ATLAS Experiment---Supporting Note
/ Cavaliere, V ; Czodrowski, P ; Flechl, M ; Isaksson, C ; Kopp, A ; Martyniuk, A ; McCarn, A ; Owen, M ; zur Nedden, M ; Neubauer, M et al.
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 $90 \GeV<m_{H^\pm}<160 \GeV$. [...]
ATL-PHYS-INT-2011-064.-
Geneva : CERN, 2011
Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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125.
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Search for charged Higgs bosons in the $\tau$+lepton final state in \ttbar\ decays with 1.03 fb$^{-1}$ of $pp$ collision data recorded at $\sqrt{s} = 7$ TeV with the ATLAS Experiment : Supporting Note
/ Cavaliere, V; Czodrowski, P; Flechl, M; Isaksson, C; Kopp, A; Martyniuk, A; McCarn, A; Owen, M; zur Nedden, M; Neubauer, M et al.
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 $90 \GeV<M_{H^\pm}<160 \GeV$. [...]
ATL-COM-PHYS-2011-1207.-
Geneva : CERN, 2011
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131.
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Search for charged Higgs bosons in the $\tau$+lepton final state in $t\bar{t}$ decays with 1.03 fb$^{-1}$ of $pp$ collision data recorded at $\sqrt{s} = 7$ TeV with the ATLAS Experiment
/ Cavaliere, V; Czodrowski, P; Flechl, M; Isaksson, C; Kopp, A; Martyniuk, A; McCarn, A; zur Nedden, M; Neubauer, M; Owen, M et al.
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..
ATL-COM-PHYS-2011-1448.-
Geneva : CERN, 2011
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133.
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Search for charged Higgs bosons in ATLAS
/ Pelikan, D (Uppsala University)
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+) < m(top), the dominant production mode for charged Higgs bosons at the LHC is via the decay t -> bH+ of one of the top quarks in ttbar events. [...]
ATL-COM-PHYS-2011-1491.-
Geneva : CERN, 2011 - 1 p.
Access to fulltext document: PDF; External link: Approved Note
[Approved as a Slide - Check status]
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137.
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Search for a charged Higgs boson H+ decaying via to tau(lep)+nu in ttbar events with one or two light leptons in the final state using 1.03/fb of pp collision data recorded at sqrt(s) = 7 TeV with the ATLAS detector
/ Barak, L ; Breaden-Madden, W ; Cheu, E ; Collins-Tooth, C ; Ferrari, A ; Flechl, M ; Gross, E ; Groth-Jensen, J ; Hattrem Raddum, S ; Madsen, A et al.
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. [...]
ATL-PHYS-INT-2011-093.-
Geneva : CERN, 2011
Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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138.
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ATLAS Higgs Searches
/ Abreu, Henso (LAL-Orsay)
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. [...]
ATL-COM-PHYS-2011-1615.-
Geneva : CERN, 2011 - 16 p.
Access to fulltext document: PDF; Fulltext: PDF; External link: Approved Note
[Approved as a Proc - Check status]
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143.
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Searches for Charged Higgs Bosons in ATLAS
/ Czodrowski, P (TU, Dresden (main))
/for the ATLAS collaboration
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). [...]
ATL-PHYS-PROC-2011-285.-
Geneva : CERN, 2012 - 4 p.
- Published in : Nuovo Cimento C 035 (2012) 213-216
Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
In : 4th International Workshop on Top Quark Physics, Sant Feliu de Guixols, Spain, 25 - 30 Sep 2011, pp.213-216
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145.
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Search for charged Higgs bosons in ATLAS
/ Pelikan, D (Uppsala)
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. [...]
ATL-COM-PHYS-2012-018.-
Geneva : CERN, 2012 - 3 p.
Access to fulltext document: PDF; External link: Approved Note
[Approved as a Proc - Check status]
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148.
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Search for charged Higgs bosons in the tau+jets final state in ttbar decays with 4.6 fb−1 of pp collision data recorded at √s = 7 TeV with the ATLAS Experiment — Supporting Note
/ Assamagan, P; Bernius, C; Casado, P; Cavaliere, V; Czodrowski, P; Chakraborty, D; Greenwood, D; Ferrari, A; Flechl, M; Hattrem Raddum, S et al.
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. [...]
ATL-COM-PHYS-2012-082.-
Geneva : CERN, 2012
Fulltext: PDF; External link: Approved Note
[Approved as a Note - Check status]
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149.
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Search for a charged Higgs boson decaying via H+ -> tau(had)nu+lepton in ttbar events using 4.6 fb−1 of pp collision data recorded at sqrt(s) = 7 TeV with the ATLAS detector — Supporting note
/ Behar, S; Buszello, C; Czodrowski, P; Ferrari, A; Flechl, M; Hattrem Raddum, S; Isaksson, C; Madsen, A; McCarn, A; zur Nedden, M et al.
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. [...]
ATL-COM-PHYS-2012-083.-
Geneva : CERN, 2012
Access to fulltext document: PDF; External link: Approved Note
[Approved as a Note - Check status]
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152.
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Search for Neutral MSSM Higgs Bosons H → τ+τ− → lτh with the ATLAS Detector in 7 TeV Collisions
/ Bristow, T (University of the Withwaterstrand); Goussiou, A (University of Washington); Glatzer, J (University of Freiburg, University of Bonn); Keller, J (University of Washington); Krosenberg, J (University of Bonn); Rompotis, N (University of Washington); Thoma, S (University of Freiburg); Vickey, T (University of the Withwaterstrand); Wang, T (University of Bonn)
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. [...]
ATL-COM-PHYS-2012-094.-
Geneva : CERN, 2012 - 82 p.
Access to fulltext document: PDF;
[Approval Request as a Note - Check status]
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153.
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Search for Neutral MSSM Higgs Bosons $H\to\tau^+\tau^-\to\tau_h\tau_h$ + 2 neutrinos with the ATLAS Detector in proton-proton collision at $sqrt(s)=7 TeV$ with the ATLAS Experiment
/ Davey, W (University of Bonn); Dawe, N (Simon Fraser University); Dingfelder, J (University of Bonn); Glatzer, J (University of Freiburg, University of Bonn); Grimm, K (Lancaster University); Mader, W (Technische Universitaet Dresden); Morgenstern, M (Technische Universitaet Dresden); Rosendahl, P (University of Bergen); Scutti, F (University of Bonn); Strassner, A (Technische Universitaet Dresden) et al.
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. [...]
ATL-COM-PHYS-2012-097.-
Geneva : CERN, 2012
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155.
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ATLAS Search for NMSSM H+ to a1 W with 4.7 fb-1
/ Potter, CT (University of Oregon)
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. [...]
ATL-COM-PHYS-2012-109.-
Geneva : CERN, 2012 - 13 p.
Access to fulltext document: PDF; Fulltext: nmssm_v3.0 - PDF; nmssm_v1.15 - PDF; nmssm_v2.0 - PDF; External link: Fulltext
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156.
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ATLAS Higgs Searches
/ Andari, N
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. [...]
ATL-COM-PHYS-2012-141.-
Geneva : CERN, 2012 - 15 p.
Access to fulltext document: PDF; External link: Approved Note
[Approved as a Proc - Check status]
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157.
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Search for Neutral MSSM Higgs Bosons in $A^0/h^0/H^0 \rightarrow \tau^+\tau^- \rightarrow e^\pm\mu^\mp + 4\nu$ Final States with $b$-Tagged Jets in Proton-Proton Collisions at $\sqrt{s}=7\,\textrm{TeV}$ with the ATLAS Detector
/ von Radziewski, Holger (Albert-Ludwigs-Universitaet Freiburg, Fakultaet fuer Mathematik und Physik); Lai, Stanley (Albert-Ludwigs-Universitaet Freiburg, Fakultaet fuer Mathematik und Physik); Warsinsky, Markus (Albert-Ludwigs-Universitaet Freiburg, Fakultaet fuer Mathematik und Physik); Schumacher, Markus (Albert-Ludwigs-Universitaet Freiburg, Fakultaet fuer Mathematik und Physik)
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 $\tau \rightarrow e \nu_{\tau} \nu_e$. [...]
ATL-COM-PHYS-2012-161.-
Geneva : CERN, 2012 - 40 p.
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160.
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Search for Neutral MSSM Higgs Bosons in $A/h/H \rightarrow \tau^+ \tau^- \rightarrow e\mu + 4\nu$ Final State with 0 Jets in Proton-Proton Collisions at $\sqrt{s}=7$ TeV with the ATLAS Detector
/ Friedrich, F (IKTP Dresden); Gumpert, C (IKTP Dresden); Kobel, M (IKTP Dresden); Mader, W (IKTP Dresden); Morgenstern, M (IKTP Dresden); Straessner, A (IKTP Dresden)
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 $4.66\text{fb}^{-1}$. [...]
ATL-COM-PHYS-2012-201.-
Geneva : CERN, 2012
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171.
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Search for a charged Higgs boson decaying via H+ -> tau(had)nu+lepton in ttbar events using 4.6 fb−1 of pp collision data recorded at sqrt(s) = 7 TeV with the ATLAS detector — Supporting note
/ Behar, S ; Buszello, C ; Czodrowski, P ; Ferrari, A ; Flechl, M ; Hattrem Raddum, S ; Isaksson, C ; Madsen, A ; McCarn, A ; zur Nedden, M et al.
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. [...]
ATL-PHYS-INT-2012-046.-
Geneva : CERN, 2012
Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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172.
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Search for charged Higgs bosons in the tau+jets final state in ttbar decays with 4.6 fb−1 of pp collision data recorded at √s = 7 TeV with the ATLAS Experiment — Supporting Note
/ Assamagan, P ; Bernius, C ; Casado, P ; Cavaliere, V ; Czodrowski, P ; Chakraborty, D ; Greenwood, D ; Ferrari, A ; Flechl, M ; Hattrem Raddum, S et al.
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. [...]
ATL-PHYS-INT-2012-047.-
Geneva : CERN, 2012
Fulltext: PDF; External link: Original Communication (restricted to ATLAS)
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176.
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Searches for Beyond-Standard Model Higgs bosons at ATLAS
/ Lenzi, B (CERN)
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..
ATL-COM-PHYS-2012-642.-
Geneva : CERN, 2012 - 4 p.
Access to fulltext document: PDF; External link: Approved Note
[Approved as a Proc - Check status]
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179.
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Combined Search for a neutral MSSM Higgs boson decaying to τ+τ− or μμ pairs in pp Collisions at sqrt s = 7 TeV with the ATLAS detector
/ Bristow, T (University of the Withwaterstrand); Davey, W (University of Bonn); Dawe, N (Simon Fraser University); Dingfelder, J (University of Bonn); Glatzer, J (University of Freiburg, University of Bonn); Grimm, K (Lancaster University); Goussiou, A (University of Washington); Keller, J (University of Washington); Kortner, S (MPI Munich); Krosenberg, J (University of Bonn) et al.
The combination of the searches for a neutral Higgs boson in the decay channel H -> tautau and H -> 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. [...]
ATL-COM-PHYS-2012-751.-
Geneva : CERN, 2012 - 50 p.
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181.
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ATLAS Searches for Higgs Bosons Beyond the Standard Model
/ Vickey, T
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..
ATL-COM-PHYS-2012-806.-
Geneva : CERN, 2012
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187.
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Highlights from the LHC
/ Straessner, Arno (TU Dresden)
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. [...]
ATL-COM-PHYS-2012-992.-
Geneva : CERN, 2012 - 6 p.
Access to fulltext document: PDF; External link: Approved Note
[Approved as a Proc - Check status]
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191.
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Search for Neutral MSSM Higgs Bosons in $A^0/h^0/H^0 \rightarrow \tau^+\tau^- \rightarrow e^\pm\mu^\mp + 4\nu$ Final States Without $b$-Tagged Jets in Proton-Proton Collisions at $\sqrt{s}=7\,\TeV$ with the ATLAS Detector
/ v Radziewski, H (Albert-Ludwigs-Universitaet Freiburg, Germany); Lai, S (Albert-Ludwigs-Universitaet Freiburg, Germany); Schumacher, M (Albert-Ludwigs-Universitaet Freiburg, Germany); Warsinsky, M (Albert-Ludwigs-Universitaet Freiburg, Germany)
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 $\tau \rightarrow e \nu_{\tau} \nu_e$. [...]
ATL-COM-PHYS-2012-1016.-
Geneva : CERN, 2012
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202.
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Search for H+->tau(had)+nu in ATLAS
/ Czodrowski, P (Technical University Dresden, Germany)
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. [...]
ATL-COM-PHYS-2012-1440.-
Geneva : CERN, 2012 - 27 p.
Fulltext: PDF; External link: Approved Note
[Approved as a Slide - Check status]
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216.
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Search for Long-lived Particles and Lepton-Jets with the ATLAS detector
/ Salvatore, D (Calabria U.)
/for the ATLAS collaboration
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. [...]
ATL-PHYS-PROC-2013-191.-
Geneva : CERN, 2013 - 6 p.
- Published in : EPJ Web Conf. 60 (2013) 17007
Published version, Open Access file: PDF; External link: Original Communication (restricted to ATLAS)
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.17007
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218.
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BSM Higgs results from ATLAS and CMS
/ Flechl, Martin (Freiburg U.)
/on behalf of the ATLAS and CMS collaborations
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. [...]
arXiv:1307.4589; ATL-PHYS-PROC-2013-202; ATL-PHYS-PROC-2013-202.-
Geneva : CERN, 2013 - 6 p.
- Published in : EPJ Web Conf. 60 (2013) 02005
Fulltext: 1307.4589 - PDF; arXiv:1307.4589 - PDF; Published version, Open Access file: PDF; External links: Original Communication (restricted to ATLAS); Preprint
In : 1st Large Hadron Collider Physics Conference, Barcelona, Spain, 13 - 18 May 2013, pp.02005
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236.
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Summary of the searches for squarks and gluinos using $\sqrt{s}$ = 8 TeV $pp$ collisions with the ATLAS experiment at the LHC
/ ATLAS Collaboration
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. [...]
arXiv:1507.05525; CERN-PH-EP-2015-162; CERN-PH-EP-2015-162.-
Geneva : CERN, 2015-10-08 - 91 p.
- Published in : JHEP 10 (2015) 054
Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Springer Open Access article: PDF; External links: Previous draft version; Preprint
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238.
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Summary of the ATLAS experiment's sensitivity to supersymmetry after LHC Run 1 - interpreted in the phenomenological MSSM
/ ATLAS Collaboration
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. [...]
arXiv:1508.06608; CERN-PH-EP-2015-214; CERN-PH-EP-2015-214.-
Geneva : CERN, 2015-10-21 - 75 p.
- Published in : JHEP 10 (2015) 134
Article from SCOAP3: scoap3-fulltext - PDF; scoap - PDF; Fulltext: PDF; Springer Open Access article: PDF; External links: Previous draft version; Preprint
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249.
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Higgs boson parameters and decays into fermions
/ Bluj, Michal Jacek (NCBJ, Swierk)
/ATLAS and CMS Collaborations
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. [...]
CMS-CR-2016-246.-
Geneva : CERN, 2016 - 9 p.
Fulltext: PDF;
In : 28th Rencontres de Blois Particle Physics and Cosmology, Blois, France, 29 May - 3 Jun 2016
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