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Measurement of the muon reconstruction performance of the ATLAS detector using 2011 and 2012 LHC proton-proton collision data

G. Aad 1 S. Albrand 2 J. Brown 2 J. Collot 2 S. Crépé-Renaudin 2 B. Dechenaux 2 P.A. Delsart 2 C. Gabaldon 2 M.H. Genest 2 J.Y. Hostachy 2 F. Ledroit-Guillon 2 A. Lleres 2 A. Lucotte 2 F. Malek 2 C. Monini 2 J. Stark 2 B. Trocmé 2 M. Wu 2 G. Rahal 3 S. Abdel Khalek 4 A. Bassalat 4 C. Becot 4 S. Binet 4 C. Bourdarios 4 D. Charfeddine 4 J.B. de Vivie de Regie 4 L. Duflot 4 M. Escalier 4 L. Fayard 4 D. Fournier 4 J.-F. Grivaz 4 T. Guillemin 4 F. Hariri 4 S. Henrot-Versillé 4 J. Hrivnac 4 L. Iconomidou-Fayard 4 M. Kado 4 A. Lounis 4 N. Makovec 4 L. Poggioli 4 P. Puzo 4 A. Renaud 4 D. Rousseau 4 G. Rybkin 4 A.C. Schaffer 4 E. Scifo 4 L. Serin 4 S. Simion 4 R. Tanaka 4 H.L. Tran 4 D. Zerwas 4 Zhiqing Zhang 4 D. Boumediene 5 Emmanuel Busato 5 D. Calvet 5 S. Calvet 5 J. Donini 5 E. Dubreuil 5 N. Ghodbane 5 G. Gilles 5 Ph. Gris 5 C. Guicheney 5 H. Liao 5 D. Pallin 5 Daniela Paredes Hernández 5 F. Podlyski 5 C. Santoni 5 Timothée Theveneaux-Pelzer 5 Loïc Valery 5 F. Vazeille 5 Z. Barnovska 6 N. Berger 6 M. Delmastro 6 L. Di Ciaccio 6 T.K.O. Doan 6 S. Elles 6 C. Goy 6 T. Hryn'Ova 6 S. Jézéquel 6 H. Keoshkerian 6 I. Koletsou 6 R. Lafaye 6 J. Leveque 6 V.P. Lombardo 6 N. Massol 6 H. Przysiezniak 6 G. Sauvage 6 E. Sauvan 6 M. Schwoerer 6 O. Simard 6 T. Todorov 6 I. Wingerter-Seez 6 L. Alio 1 M. Barbero 1 J. C. Clémens 1 Y. Coadou 1 S. Diglio 1 F. Djama 1 L. Feligioni 1 G.D. Hallewell 1 D. Hoffmann 1 F. Hubaut 1 E. B. F. G. Knoops 1 E. Le Guirriec 1 B. Li D. Madaffari 1 K. Mochizuki 1 E. Monnier 1 S. Muanza 1 Y. Nagai 1 P. Pralavorio 1 A. Rozanov 1 T. Serre 1 M. Talby 1 E. Tiouchichine 1 S. Tisserant 1 J. Toth 1 F. Touchard 1 M. Ughetto 7, 1 L. Vacavant 1
Abstract : This paper presents the performance of the ATLAS muon reconstruction during the LHC run with $pp$ collisions at $\sqrt{s}=7-8$ TeV in 2011-2012, focusing mainly on data collected in 2012. Measurements of the reconstruction efficiency and of the momentum scale and resolution, based on large reference samples of $J/\psi\to \mu\mu$, $Z\to \mu\mu$ and $\Upsilon\to\mu\mu$ decays, are presented and compared to Monte Carlo simulations. Corrections to the simulation, to be used in physics analysis, are provided. Over most of the covered phase space (muon $|\eta|<2.7$ and $5 \lesssim p_{\mathrm{T}} \lesssim 100$ GeV) the efficiency is above $99\%$ and is measured with per-mille precision. The momentum resolution ranges from $1.7\%$ at central rapidity and for transverse momentum $p_{\mathrm{T}} \simeq 10$ GeV, to $4\%$ at large rapidity and $p_{\mathrm{T}} \simeq 100$ GeV. The momentum scale is known with an uncertainty of $0.05\%$ to $0.2\%$ depending on rapidity. A method for the recovery of final state radiation from the muons is also presented.
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Submitted on : Wednesday, July 16, 2014 - 8:20:55 AM
Last modification on : Thursday, November 19, 2020 - 12:59:05 PM

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G. Aad, S. Albrand, J. Brown, J. Collot, S. Crépé-Renaudin, et al.. Measurement of the muon reconstruction performance of the ATLAS detector using 2011 and 2012 LHC proton-proton collision data. European Physical Journal C: Particles and Fields, Springer Verlag (Germany), 2014, 74 (11), pp.3130. ⟨10.1140/epjc/s10052-014-3130-x⟩. ⟨in2p3-01024314⟩

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