Journal
EUROPEAN PHYSICAL JOURNAL C
Volume 76, Issue 5, Pages -Publisher
SPRINGER
DOI: 10.1140/epjc/s10052-016-4120-y
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- ANPCyT, Argentina
- YerPhI, Armenia
- ARC, Australia
- BMWFW, Austria
- FWF, Austria
- ANAS, Azerbaijan
- SSTC, Belarus
- CNPq, Brazil
- FAPESP, Brazil
- NSERC, Canada
- NRC, Canada
- CFI, Canada
- CERN
- CONICYT, Chile
- CAS, China
- MOST, China
- NSFC, China
- COLCIENCIAS, Colombia
- MSMT CR, Czech Republic
- MPO CR, Czech Republic
- VSC CR, Czech Republic
- DNRF, Denmark
- DNSRC, Denmark
- IN2P3-CNRS, CEA-DSM/IRFU, France
- GNSF, Georgia
- BMBF, Germany
- HGF, Germany
- MPG, Germany
- GSRT, Greece
- RGC, Hong Kong SAR, China
- ISF, Israel
- I-CORE, Israel
- Benoziyo Center, Israel
- INFN, Italy
- MEXT, Japan
- JSPS, Japan
- CNRST, Morocco
- FOM, Netherlands
- NWO, Netherlands
- RCN, Norway
- MNiSW, Poland
- NCN, Poland
- FCT, Portugal
- MNE/IFA, Romania
- MES of Russia
- NRC KI, Russian Federation
- JINR
- MESTD, Serbia
- MSSR, Slovakia
- ARRS, Slovenia
- MIZS, Slovenia
- DST/NRF, South Africa
- MINECO, Spain
- SRC, Sweden
- Wallenberg Foundation, Sweden
- SERI, Switzerland
- SNSF, Switzerland
- Cantons of Bern and Geneva, Switzerland
- MOST, Taiwan
- TAEK, Turkey
- STFC, United Kingdom
- DOE, United States of America
- NSF, United States of America
- BCKDF
- Canada Council
- CANARIE
- CRC
- Compute Canada
- FQRNT
- Ontario InnovationTrust, Canada
- EPLANET
- ERC
- Horizon
- Marie Sklodowska-Curie Actions, European Union
- Investissements d'Avenir Labex and Idex
- ANR
- Region Auvergne
- Fondation Partager le Savoir, France
- DFG
- AvH Foundation, Germany
- EU-ESF
- Greek NSRF
- BSF
- GIF
- Minerva, Israel
- BRF, Norway
- Generalitat de Catalunya
- Generalitat Valenciana, Spain
- Royal Society
- Leverhulme Trust, United Kingdom
- ICREA Funding Source: Custom
- Direct For Mathematical & Physical Scien
- Division Of Physics [1119200] Funding Source: National Science Foundation
- Division Of Physics
- Direct For Mathematical & Physical Scien [1410972, 1506173] Funding Source: National Science Foundation
- STFC [ST/H001093/2, ST/M001431/1, ST/K001329/1, ST/L003449/1, ST/J00488X/1, ST/N000277/1, ST/K001361/1, ST/N000331/1, ST/N000463/1, ST/L000997/1, ST/M000753/1, ST/N000307/1, ST/J005533/1, ST/J004804/1, ST/I005846/1, ST/L006162/1, ST/M006417/1, ST/K003666/1, ST/L005662/1, ST/L001144/1] Funding Source: UKRI
- Fundação para a Ciência e a Tecnologia [CERN/FIS-NUC/0005/2015] Funding Source: FCT
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This article documents the performance of the ATLAS muon identification and reconstruction using the LHC dataset recorded at root s = 13 TeVin 2015. Using a large sample of J/.psi -> mu mu and Z -> mu mu decays from 3.2 fb(-1) of pp collision data, measurements of the reconstruction efficiency, as well as of the momentum scale and resolution, are presented and compared to Monte Carlo simulations. The reconstruction efficiency is measured to be close to 99 % over most of the covered phase space (vertical bar eta vertical bar < 2.5 and 5 < p(T) < 100 GeV). The isolation efficiency varies between 93 and 100 % depending on the selection applied and on the momentum of the muon. Both efficiencies are well reproduced in simulation. In the central region of the detector, the momentum resolution is measured to be 1.7 % (2.3 %) for muons from J/psi -> mu mu(Z -> mu mu) decays, and the momentum scale is known with an uncertainty of 0.05 %. In the region vertical bar eta vertical bar > 2.2, the p(T) resolution for muons from Z -> mu decays is 2.9 % while the precision of the momentum scale for low-p(T) muons from J/psi -> mu mu decays is about 0.2 %.
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