Open Access BASE2014

Muon reconstruction efficiency and momentum resolution of the ATLAS experiment in proton-proton collisions at s√=7 TeV in 2010

Aad, G; Abajyan, T; Abbott, B; Abdallah, J; Abdel Khalek, S; Abdelalim, A. A; Abdinov, O; Aben, R; Abi, B; Abolins, M; AbouZeid, O. S; Abramowicz, H; Abreu, H; Abulaiti, Y; Acharya, B. S; Adamczyk, L; Adams, D. L; Addy, T. N; Adelman, J; Adomeit, S; Adye, T; Aefsky, S; Agatonovic-Jovin, T; Aguilar-Saavedra, J. A; Agustoni, M; Ahlen, S. P; Ahles, F; Ahmad, A; Ahsan, M; Aielli, G; Åkesson, T. P. A; Akimoto, G; Akimov, A. V; Alam, M. A; Albert, J; Albrand, S; Alconada Verzini, M. J; Aleksa, M; Aleksandrov, I. N; Alessandria, F; Alexa, C; Alexander, G; Alexandre, G; Alexopoulos, T; Alhroob, M; Aliev, M; Alimonti, G; Alison, J; Allbrooke, B. M. M; Allison, L. J

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Abstract

Altres ajuts: We thank CERN for the very successful operation of the LHC, as well as the support staff from our institutions without whom ATLAS could not be operated efficiently. We acknowledge the support of EPLANET, ERC and NSRF, European Union and MINECO, PIC, Spain. Funded by SCOAP3. ; This paper presents a study of the performance of the muon reconstruction in the analysis of proton-proton collisions at TeV at the LHC, recorded by the ATLAS detector in 2010. This performance is described in terms of reconstruction and isolation efficiencies and momentum resolutions for different classes of reconstructed muons. The results are obtained from an analysis of meson and boson decays to dimuons, reconstructed from a data sample corresponding to an integrated luminosity of 40 pb. The measured performance is compared to Monte Carlo predictions and deviations from the predicted performance are discussed.

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