Muon reconstruction and identification efficiency in ATLAS using the full Run 2 pp collision data set at √s=13 TeV

0551194 - FZÚ 2022 RIV DE eng J - Journal Article
Aad, G. - Abbott, B. - Abbott, D.C. - Chudoba, Jiří - Hejbal, Jiří - Hladík, Ondřej - Jačka, Petr - Kepka, Oldřich - Kroll, Jiří - Kupčo, Alexander - Latoňová, Věra - Lokajíček, Miloš - Lysák, Roman - Marčišovský, Michal - Mikeštíková, Marcela - Němeček, Stanislav - Penc, Ondřej - Šícho, Petr - Staroba, Pavel - Svatoš, Michal - Taševský, Marek … Total 2935 authors
Muon reconstruction and identification efficiency in ATLAS using the full Run 2 pp collision data set at √s=13 TeV.
European Physical Journal C. Roč. 81, č. 7 (2021), č. článku 578. ISSN 1434-6044. E-ISSN 1434-6052
R&D Projects: GA MŠMT(CZ) LTT17018
Research Infrastructure: CERN-CZ II - 90104
Institutional support: RVO:68378271
Keywords : ATLAS * CERN LHC Coll * particle identification: efficiency
OECD category: Particles and field physics
Impact factor: 4.994, year: 2021
Method of publishing: Open access

This article documents the muon reconstruction and identification efficiency obtained by the ATLAS experiment for 139 fb−1hbox {fb}^{-1}fb−1 of pp collision data at s=13sqrt{s}=13s ​=13 TeV collected between 2015 and 2018 during Run 2 of the LHC. The increased instantaneous luminosity delivered by the LHC over this period required a reoptimisation of the criteria for the identification of prompt muons. Improved and newly developed algorithms were deployed to preserve high muon identification efficiency with a low misidentification rate and good momentum resolution. The availability of large samples of Z→μμZ ightarrow mu mu Z→μμ and J/ψ→μμJ/psi ightarrow mu mu J/ψ→μμ decays, and the minimisation of systematic uncertainties, allows the efficiencies of criteria for muon identification.

Permanent Link: http://hdl.handle.net/11104/0326636