# ATLAS PUB Notes

2016-07-15
15:13
 Boosted Object Tagging with Variable-$R$ Jets in the ATLAS Detector A comprehensive study of the performance of variable-$R$ jets in the reconstruction of highly energetic (boosted) top quarks, Higgs bosons and $W$ bosons is presented. [...] ATL-PHYS-PUB-2016-013. - 2016. Original Communication (restricted to ATLAS) - Full text

2016-07-06
16:25
 ATLAS Future Framework Requirements Group Report / Baines, John (Rutherford Appleton Laboratory) ; Bold, Tomasz (AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Krakow) ; Calafiura, Paolo (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Kama, Sami (Southern Methodist University, Department of Physics) ; Leggett, Charles (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Malon, David (Argonne National Laboratory) ; Stewart, Graeme (University of Glasgow, SUPA - School of Physics and Astronomy) ; Wynne, Benjamin (University of Edinburgh) The Future Frameworks Requirements Group was constituted in Summer 2013 to consider and summarise the framework requirements from trigger and offline for configuring, scheduling and monitoring the data processing software needed by the ATLAS experiment. [...] ATL-SOFT-PUB-2016-001. - 2016. - 29 p. Original Communication (restricted to ATLAS) - Full text

2016-06-14
09:07
 Optimisation of the ATLAS $b$-tagging performance for the 2016 LHC Run / ATLAS Collaboration The performance of the current ATLAS $b$-tagging algorithms has been optimised ahead of the 2016 Run-2 data taking. [...] ATL-PHYS-PUB-2016-012. - 2016. Original Communication (restricted to ATLAS) - Full text

2016-05-18
19:26
 Studies of tt+cc production with MadGraph5_aMC@NLO and Herwig++ for the ATLAS experiment / Keller, John (DESY, Hamburg and Zeuthen) ; Rauch, Daniel (DESY, Hamburg and Zeuthen) ; Katzy, Judith (DESY, Hamburg and Zeuthen) Studies of the simulation of ttcc at the LHC, at a centre-of-mass energy of 13 TeV, based on next-to-leading order calculations with MadGraph5_aMC@NLO matched to Herwig++ are presented. [...] ATL-PHYS-PUB-2016-011. - 2016. Original Communication (restricted to ATLAS) - Full text

2016-05-16
19:54
 Expected performance for displaced Lepton Jets: ATLAS trigger and reconstruction efficiency in LHC 2015 run. / Del Gaudio, Michela (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica) (+) ; Schioppa, Marco (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica) (+) ; Policicchio, Antonio (INFN Gruppo Collegato di Cosenza and Universita' della Calabria, Dipartimento di Fisica) (+) ; Testa, Marianna (INFN Laboratori Nazionali di Frascati) (+) ; Giagu, Stefano (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica) ; Verducci, Monica (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica) ; Ciapetti, Guido (INFN Roma and Sapienza Universita' di Roma, Dipartimento di Fisica) ; Diamond, Miriam (Department of Physics, University of Toronto) ; Les, Robert (Department of Physics, University of Toronto) - analysis analysis analysis Several models of physics beyond the Standard Model predict neutral particles that decay to final states consisting of collimated jets of light leptons and hadrons (so-called Lepton Jets''). [...] ATL-PHYS-PUB-2016-010. - 2016. - 10 p. Original Communication (restricted to ATLAS) - Full text

2016-04-15
08:59
 Estimate of the $m_H$ shift due to interference between signal and background processes in the $H \rightarrow \gamma\gamma$ channel, for the $\sqrt{s} = 8$ TeV dataset recorded by ATLAS / Becot, Cyril (Department of Physics, New York University) ; Fayard, Louis (LAL, Univ. Paris-Sud, IN2P3/CNRS, Universite Paris-Saclay) In the context of precision measurements of the properties of the Higgs boson, one of the most fundamental parameters is the knowledge of its mass. [...] ATL-PHYS-PUB-2016-009. - 2016. Original Communication (restricted to ATLAS) - Full text

2016-04-11
19:01
 Prospective results for vector-boson fusion-mediated Higgs-boson searches in the four lepton final state at the High Luminosity Large Hadron Collider / Divalentino, David (Carleton University (CA)) ; Bortolotto, Valerio (The Chinese University of Hong Kong) ; Belyaev, Nikita (National Research Nuclear University MEPhI) The High Luminosity Large Hadron Collider is expected to be completed and operational in the second half of 2026, and will necessitate substantial upgrades to the ATLAS inner tracker detector. [...] ATL-PHYS-PUB-2016-008. - 2016. - 19 p. Original Communication (restricted to ATLAS) - Full text

2016-03-21
10:00
 Measurement of track reconstruction inefficiencies in the core of jets via pixel dE/dx with the ATLAS experiment using $\sqrt{s}=13$ TeV $\textit{pp}$ collision data / Duffield, Emily Marie (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Facini, Gabriel (University of Chicago, Enrico Fermi Institute) ; Gadatsch, Stefan (European Laboratory for Particle Physics, CERN) ; Jansky, Roland (Institut fuer Astro- und Teilchenphysik der Leopold-Franzens-Universitaet Innsbruck) ; Morley, Anthony Keith (School of Physics, University of Sydney) ; Shapiro, Marjorie (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Pagan Griso, Simone (Lawrence Berkeley National Laboratory and University of California, Berkeley) The inefficiency of the ATLAS charged particle reconstruction in the core of jets is studied as a function of the transverse momentum of the jet between 200 GeV and 1600 GeV, using proton-proton data collected by the ATLAS experiment from the LHC in 2015 at a center-of-mass energy of $\sqrt{s}=13$ TeV. [...] ATL-PHYS-PUB-2016-007. - 2016. Original Communication (restricted to ATLAS) - Full text

2016-03-03
12:47
 2015 start-up trigger menu and initial performance assessment of the ATLAS trigger using Run-2 data / ATLAS Collaboration This document summarizes the ATLAS trigger upgrades over the 2013-2014 LHC shutdown for the Run-2 data-taking and the start-up trigger menu. [...] ATL-DAQ-PUB-2016-001. - 2016. Original Communication (restricted to ATLAS) - Full text

2016-01-29
13:01
 Study of higher-order QCD corrections in the $gg\rightarrow H\rightarrow VV$ process / Calandri, Alessandro (Centre de Physique des Particules de Marseille (CPPM), IN2P3-CNRS) ; Cerutti, Fabio (Lawrence Berkeley National Laboratory and University of California, Berkeley) ; Mansoulie, Bruno (Commissariat a l'Energie Atomique (CEA), DSM/IRFU, Centre d'Etudes de Saclay) Several studies have shown that the high-mass off-peak regions in the $H\rightarrow ZZ$ and $H\rightarrow WW$ channels above the $VV$ mass threshold ($V=W,Z$) have sensitivity to off-shell Higgs production and interference effects. [...] ATL-PHYS-PUB-2016-006. - 2016. Original Communication (restricted to ATLAS) - Full text