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Performance of the ATLAS muon triggers in Run 2

The performance of the ATLAS muon trigger system is evaluated with proton-proton (pp) and heavy-ion (HI) collision data collected in Run 2 during 2015-2018 at the Large Hadron Collider. It is primarily evaluated using events containing a pair of muons from the decay of Z bosons to cover the intermed...

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Hauptverfasser: Aad, Georges (VerfasserIn) , Anders, Christoph (VerfasserIn) , Andrei, George Victor (VerfasserIn) , Bartels, Falk (VerfasserIn) , Bolz, Arthur (VerfasserIn) , Dunford, Monica (VerfasserIn) , Ferreira de Lima, Danilo Enoque (VerfasserIn) , Franchino, Silvia (VerfasserIn) , Helary, Louis (VerfasserIn) , Jongmanns, Jan (VerfasserIn) , Klassen, Martin (VerfasserIn) , Krishnan, Anjali (VerfasserIn) , Meyer zu Theenhausen, Hanno (VerfasserIn) , Mkrtchyan, Tigran (VerfasserIn) , Napolitano, Fabrizio (VerfasserIn) , Ott, Philipp (VerfasserIn) , S̜ahinsoy, Merve (VerfasserIn) , Schöning, André (VerfasserIn) , Schultz-Coulon, Hans-Christian (VerfasserIn) , Spieker, Thomas (VerfasserIn) , Stamen, Rainer (VerfasserIn) , Starovoitov, Pavel (VerfasserIn) , Suchek, Stanislav (VerfasserIn) , Vigani, Luigi (VerfasserIn) , Wang, Jike (VerfasserIn) , Weber, Sebastian (VerfasserIn) , Wessels, Martin (VerfasserIn) , Yue, Xiaoguang (VerfasserIn)
Körperschaft: ATLAS Collaboration (VerfasserIn)
Dokumenttyp: Article (Journal)
Sprache:Englisch
Veröffentlicht: September 14, 2020
In: Journal of Instrumentation
Year: 2020, Jahrgang: 15
ISSN:1748-0221
DOI:10.1088/1748-0221/15/09/P09015
Online-Zugang:Verlag, lizenzpflichtig, Volltext: https://doi.org/10.1088/1748-0221/15/09/P09015
Volltext
Verfasserangaben:The ATLAS collaboration: G. Aad, C.F. Anders, V. Andrei, F. Bartels, A.E. Bolz, M.Dunford, D.E. Ferreira de Lima, S. Franchino, L. Helary, J. Jongmanns, M. Klassen, A. Krishnan, H. Meyer zu Theenhausen, T. Mkrtchyan, F. Napolitano, P.S. Ott, M. Sahinsoy, A. Schoening, H.-Ch. Schultz-Coulon, T. Spieker, R. Stamen, P. Starovoitov, S. Suchek, L. Vigani, J. Wang, S.M. Weber, M. Wessels, X. Yue und weitere 2938
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Zusammenfassung:The performance of the ATLAS muon trigger system is evaluated with proton-proton (pp) and heavy-ion (HI) collision data collected in Run 2 during 2015-2018 at the Large Hadron Collider. It is primarily evaluated using events containing a pair of muons from the decay of Z bosons to cover the intermediate momentum range between 26 GeV and 100 GeV. Overall, the efficiency of the single-muon triggers is about 68% in the barrel region and 85% in the endcap region. The pT range for efficiency determination is extended by using muons from decays of Jψ mesons, W bosons, and top quarks. The performance in HI collision data is measured and shows good agreement with the results obtained in pp collisions. The muon trigger shows uniform and stable performance in good agreement with the prediction of a detailed simulation. Dedicated multi-muon triggers with kinematic selections provide the backbone to beauty, quarkonia, and low-mass physics studies. The design, evolution and performance of these triggers are discussed in detail.
Beschreibung:Gesehen am 20.11.2020
Beschreibung:Online Resource
ISSN:1748-0221
DOI:10.1088/1748-0221/15/09/P09015

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