https://doi.org/10.1140/epjc/s10052-021-09233-2
Regular Article - Experimental Physics
Muon reconstruction and identification efficiency in ATLAS using the full Run 2 pp collision data set at 
TeV
1
Department of Physics, University of Adelaide, Adelaide, Australia
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Physics Department, SUNY Albany, Albany, NY, USA
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Department of Physics, University of Alberta, Edmonton, AB, Canada
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Department of Physics, Ankara University, Ankara, Turkey
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Istanbul Aydin University, Application and Research Center for Advanced Studies, Istanbul, Turkey
6
Division of Physics, TOBB University of Economics and Technology, Ankara, Turkey
7
LAPP, Univ. Savoie Mont Blanc, CNRS/IN2P3, Annecy, France
8
High Energy Physics Division, Argonne National Laboratory, Argonne, IL, USA
9
Department of Physics, University of Arizona, Tucson, AZ, USA
10
Department of Physics, University of Texas at Arlington, Arlington, TX, USA
11
Physics Department, National and Kapodistrian University of Athens, Athens, Greece
12
Physics Department, National Technical University of Athens, Zografou, Greece
13
Department of Physics, University of Texas at Austin, Austin, TX, USA
14
Bahcesehir University, Faculty of Engineering and Natural Sciences, Istanbul, Turkey
15
Istanbul Bilgi University, Faculty of Engineering and Natural Sciences, Istanbul, Turkey
16
Department of Physics, Bogazici University, Istanbul, Turkey
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Department of Physics Engineering, Gaziantep University, Gaziantep, Turkey
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Institute of Physics, Azerbaijan Academy of Sciences, Baku, Azerbaijan
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Institut de Física d’Altes Energies (IFAE), Barcelona Institute of Science and Technology, Barcelona, Spain
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Institute of High Energy Physics, Chinese Academy of Sciences, Beijing, China
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Physics Department, Tsinghua University, Beijing, China
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Department of Physics, Nanjing University, Nanjing, China
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University of Chinese Academy of Science (UCAS), Beijing, China
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Institute of Physics, University of Belgrade, Belgrade, Serbia
25
Department for Physics and Technology, University of Bergen, Bergen, Norway
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Physics Division, Lawrence Berkeley National Laboratory and University of California, Berkeley, CA, USA
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Institut für Physik, Humboldt Universität zu Berlin, Berlin, Germany
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Albert Einstein Center for Fundamental Physics and Laboratory for High Energy Physics, University of Bern, Bern, Switzerland
29
School of Physics and Astronomy, University of Birmingham, Birmingham, UK
30
Facultad de Ciencias y Centro de Investigaciónes, Universidad Antonio Nariño, Bogotá, Colombia
31
Departamento de Física, Universidad Nacional de Colombia, Bogotá, Colombia, Colombia
32
Dipartimento di Fisica, INFN Bologna and Universita’ di Bologna, Bologna, Italy
33
INFN Sezione di Bologna, Bologna, Italy
34
Physikalisches Institut, Universität Bonn, Bonn, Germany
35
Department of Physics, Boston University, Boston, MA, USA
36
Department of Physics, Brandeis University, Waltham, MA, USA
37
Transilvania University of Brasov, Brasov, Romania
38
Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest, Romania
39
Department of Physics, Alexandru Ioan Cuza University of Iasi, Iasi, Romania
40
National Institute for Research and Development of Isotopic and Molecular Technologies, Physics Department, Cluj-Napoca, Romania
41
University Politehnica Bucharest, Bucharest, Romania
42
West University in Timisoara, Timisoara, Romania
43
Faculty of Mathematics, Physics and Informatics, Comenius University, Bratislava, Slovakia
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Department of Subnuclear Physics, Institute of Experimental Physics of the Slovak Academy of Sciences, Kosice, Slovak Republic
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Physics Department, Brookhaven National Laboratory, Upton, NY, USA
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Departamento de Física, Universidad de Buenos Aires, Buenos Aires, Argentina
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California State University, Long Beach, CA, USA
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Cavendish Laboratory, University of Cambridge, Cambridge, UK
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Department of Physics, University of Cape Town, Cape Town, South Africa
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iThemba Labs, Western Cape, South Africa
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Department of Mechanical Engineering Science, University of Johannesburg, Johannesburg, South Africa
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National Institute of Physics, University of the Philippines Diliman, Quezon City, Philippines
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Department of Physics, University of South Africa, Pretoria, South Africa
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School of Physics, University of the Witwatersrand, Johannesburg, South Africa
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Department of Physics, Carleton University, Ottawa, ON, Canada
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Faculté des Sciences Ain Chock, Réseau Universitaire de Physique des Hautes Energies, Université Hassan II, Casablanca, Morocco
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Faculté des Sciences, Université Ibn-Tofail, Kénitra, Morocco
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Faculté des Sciences Semlalia, Université Cadi Ayyad, LPHEA-Marrakech, Marrakesh, Morocco
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Moroccan Foundation for Advanced Science Innovation and Research (MAScIR), Rabat, Morocco
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LPMR, Faculté des Sciences, Université Mohamed Premier, Oujda, Morocco
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Faculté des sciences, Université Mohammed V, Rabat, Morocco
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CERN, Geneva, Switzerland
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Enrico Fermi Institute, University of Chicago, Chicago, IL, USA
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LPC, Université Clermont Auvergne, CNRS/IN2P3, Clermont-Ferrand, France
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Nevis Laboratory, Columbia University, Irvington, NY, USA
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Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark
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Dipartimento di Fisica, Università della Calabria, Rende, Italy
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Laboratori Nazionali di Frascati, INFN Gruppo Collegato di Cosenza, Frascati, Italy
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Physics Department, Southern Methodist University, Dallas, TX, USA
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Physics Department, University of Texas at Dallas, Richardson, TX, USA
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National Centre for Scientific Research “Demokritos”, Agia Paraskevi, Greece
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Department of Physics, Stockholm University, Stockholm, Sweden
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Oskar Klein Centre, Stockholm, Sweden
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Deutsches Elektronen-Synchrotron DESY, Hamburg and Zeuthen, Germany
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Lehrstuhl für Experimentelle Physik IV, Technische Universität Dortmund, Dortmund, Germany
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Institut für Kern- und Teilchenphysik, Technische Universität Dresden, Dresden, Germany
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Department of Physics, Duke University, Durham, NC, USA
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SUPA, School of Physics and Astronomy, University of Edinburgh, Edinburgh, UK
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INFN e Laboratori Nazionali di Frascati, Frascati, Italy
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Physikalisches Institut, Albert-Ludwigs-Universität Freiburg, Freiburg, Germany
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II. Physikalisches Institut, Georg-August-Universität Göttingen, Göttingen, Germany
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Département de Physique Nucléaire et Corpusculaire, Université de Genève, Geneva, Switzerland
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Dipartimento di Fisica, Università di Genova, Genoa, Italy
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INFN Sezione di Genova, Genoa, Italy
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II. Physikalisches Institut, Justus-Liebig-Universität Giessen, Giessen, Germany
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SUPA, School of Physics and Astronomy, University of Glasgow, Glasgow, UK
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LPSC, Université Grenoble Alpes, CNRS/IN2P3, Grenoble INP, Grenoble, France
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Laboratory for Particle Physics and Cosmology, Harvard University, Cambridge, MA, USA
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Department of Modern Physics and State Key Laboratory of Particle Detection and Electronics, University of Science and Technology of China, Hefei, China
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Institute of Frontier and Interdisciplinary Science and Key Laboratory of Particle Physics and Particle Irradiation (MOE), Shandong University, Qingdao, China
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School of Physics and Astronomy, Shanghai Jiao Tong University, Key Laboratory for Particle Astrophysics and Cosmology (MOE), SKLPPC, Shanghai, China
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Tsung-Dao Lee Institute, Shanghai, China
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Kirchhoff-Institut für Physik, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany
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Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany
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Faculty of Applied Information Science, Hiroshima Institute of Technology, Hiroshima, Japan
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Department of Physics, Chinese University of Hong Kong, Shatin N.T., Hong Kong
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Department of Physics, University of Hong Kong, Hong Kong, China
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Department of Physics and Institute for Advanced Study, Hong Kong University of Science and Technology, Clear Water Bay, Kowloon, Hong Kong, China
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Department of Physics, National Tsing Hua University, Hsinchu, Taiwan
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IJCLab, Université Paris-Saclay, CNRS/IN2P3, 91405, Orsay, France
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Department of Physics, Indiana University, Bloomington, IN, USA
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INFN Gruppo Collegato di Udine, Sezione di Trieste, Udine, Italy
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ICTP, Trieste, Italy
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Dipartimento Politecnico di Ingegneria e Architettura, Università di Udine, Udine, Italy
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INFN Sezione di Lecce, Zona Monte, Italy
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Dipartimento di Matematica e Fisica, Università del Salento, Lecce, Italy
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INFN Sezione di Milano, Milan, Italy
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Dipartimento di Fisica, Università di Milano, Milan, Italy
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INFN Sezione di Napoli, Naples, Italy
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Dipartimento di Fisica, Università di Napoli, Naples, Italy
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INFN Sezione di Pavia, Pavia, Italy
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Dipartimento di Fisica, Università di Pavia, Pavia, Italy
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INFN Sezione di Pisa, Pisa, Italy
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Dipartimento di Fisica E. Fermi, Università di Pisa, Pisa, Italy
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INFN Sezione di Roma, Rome, Italy
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Dipartimento di Fisica, Sapienza Università di Roma, Rome, Italy
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INFN Sezione di Roma Tor Vergata, Rome, Italy
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Dipartimento di Fisica, Università di Roma Tor Vergata, Rome, Italy
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INFN Sezione di Roma Tre, Rome, Italy
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Dipartimento di Matematica e Fisica, Università Roma Tre, Rome, Italy
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INFN-TIFPA, Trento, Italy
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Università degli Studi di Trento, Trento, Italy
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Institut für Astro- und Teilchenphysik, Leopold-Franzens-Universität, Innsbruck, Austria
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University of Iowa, Iowa City, IA, USA
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Department of Physics and Astronomy, Iowa State University, Ames, IA, USA
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Joint Institute for Nuclear Research, Dubna, Russia
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Departamento de Engenharia Elétrica, Universidade Federal de Juiz de Fora (UFJF), Juiz de Fora, Brazil
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Universidade Federal do Rio De Janeiro COPPE/EE/IF, Rio de Janeiro, Brazil
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Instituto de Física, Universidade de São Paulo, São Paulo, Brazil
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KEK, High Energy Accelerator Research Organization, Tsukuba, Japan
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Graduate School of Science, Kobe University, Kobe, Japan
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AGH University of Science and Technology, Faculty of Physics and Applied Computer Science, Kraków, Poland
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Marian Smoluchowski Institute of Physics, Jagiellonian University, Kraków, Poland
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Institute of Nuclear Physics Polish Academy of Sciences, Kraków, Poland
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Faculty of Science, Kyoto University, Kyoto, Japan
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Kyoto University of Education, Kyoto, Japan
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Research Center for Advanced Particle Physics and Department of Physics, Kyushu University, Fukuoka, Japan
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Instituto de Física La Plata, Universidad Nacional de La Plata and CONICET, La Plata, Argentina
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Physics Department, Lancaster University, Lancaster, UK
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Oliver Lodge Laboratory, University of Liverpool, Liverpool, UK
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Department of Experimental Particle Physics, Jožef Stefan Institute and Department of Physics, University of Ljubljana, Ljubljana, Slovenia
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School of Physics and Astronomy, Queen Mary University of London, London, UK
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Department of Physics, Royal Holloway University of London, Egham, UK
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Department of Physics and Astronomy, University College London, London, UK
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Louisiana Tech University, Ruston, LA, USA
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Fysiska institutionen, Lunds universitet, Lund, Sweden
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Centre de Calcul de l’Institut National de Physique Nucléaire et de Physique des Particules (IN2P3), Villeurbanne, France
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Departamento de Física Teorica C-15 and CIAFF, Universidad Autónoma de Madrid, Madrid, Spain
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Institut für Physik, Universität Mainz, Mainz, Germany
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School of Physics and Astronomy, University of Manchester, Manchester, UK
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CPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, France
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Department of Physics, University of Massachusetts, Amherst, MA, USA
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Department of Physics, McGill University, Montreal, QC, Canada
154
School of Physics, University of Melbourne, Parkville, VIC, Australia
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Department of Physics, University of Michigan, Ann Arbor, MI, USA
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Department of Physics and Astronomy, Michigan State University, East Lansing, MI, USA
157
B.I. Stepanov Institute of Physics, National Academy of Sciences of Belarus, Minsk, Belarus
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Research Institute for Nuclear Problems of Byelorussian State University, Minsk, Belarus
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Group of Particle Physics, University of Montreal, Montreal, QC, Canada
160
P.N. Lebedev Physical Institute of the Russian Academy of Sciences, Moscow, Russia
161
National Research Nuclear University MEPhI, Moscow, Russia
162
D.V. Skobeltsyn Institute of Nuclear Physics, M.V. Lomonosov Moscow State University, Moscow, Russia
163
Fakultät für Physik, Ludwig-Maximilians-Universität München, Munich, Germany
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Max-Planck-Institut für Physik (Werner-Heisenberg-Institut), Munich, Germany
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Nagasaki Institute of Applied Science, Nagasaki, Japan
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Graduate School of Science and Kobayashi-Maskawa Institute, Nagoya University, Nagoya, Japan
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Department of Physics and Astronomy, University of New Mexico, Albuquerque, NM, USA
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Institute for Mathematics, Astrophysics and Particle Physics, Radboud University/Nikhef, Nijmegen, The Netherlands
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Nikhef National Institute for Subatomic Physics and University of Amsterdam, Amsterdam, The Netherlands
170
Department of Physics, Northern Illinois University, DeKalb, IL, USA
171
Budker Institute of Nuclear Physics and NSU, SB RAS, Novosibirsk, Russia
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Novosibirsk State University Novosibirsk, Novosibirsk, Russia
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Institute for High Energy Physics of the National Research Centre Kurchatov Institute, Protvino, Russia
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Institute for Theoretical and Experimental Physics named by A.I. Alikhanov of National Research Centre “Kurchatov Institute”, Moscow, Russia
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Department of Physics, New York University, New York, NY, USA
176
Ochanomizu University, Otsuka, Bunkyo-ku, Tokyo, Japan
177
Ohio State University, Columbus, OH, USA
178
Homer L. Dodge Department of Physics and Astronomy, University of Oklahoma, Norman, OK, USA
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Department of Physics, Oklahoma State University, Stillwater, OK, USA
180
Palacký University, RCPTM, Joint Laboratory of Optics, Olomouc, Czech Republic
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Institute for Fundamental Science, University of Oregon, Eugene, OR, USA
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Graduate School of Science, Osaka University, Osaka, Japan
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Department of Physics, University of Oslo, Oslo, Norway
184
Department of Physics, Oxford University, Oxford, UK
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LPNHE, Sorbonne Université, Université de Paris, CNRS/IN2P3, Paris, France
186
Department of Physics, University of Pennsylvania, Philadelphia, PA, USA
187
Konstantinov Nuclear Physics Institute of National Research Centre “Kurchatov Institute”, PNPI, St. Petersburg, Russia
188
Department of Physics and Astronomy, University of Pittsburgh, Pittsburgh, PA, USA
189
Laboratório de Instrumentação e Física Experimental de Partículas, LIP, Lisbon, Portugal
190
Departamento de Física, Faculdade de Ciências, Universidade de Lisboa, Lisbon, Portugal
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Departamento de Física, Universidade de Coimbra, Coimbra, Portugal
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Centro de Física Nuclear da Universidade de Lisboa, Lisbon, Portugal
193
Departamento de Física, Universidade do Minho, Braga, Portugal
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Departamento de Física Teórica y del Cosmos, Universidad de Granada, Granada, Spain
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Dep Física and CEFITEC of Faculdade de Ciências e Tecnologia, Universidade Nova de Lisboa, Caparica, Portugal
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Instituto Superior Técnico, Universidade de Lisboa, Lisbon, Portugal
197
Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
198
Czech Technical University in Prague, Prague, Czech Republic
199
Charles University, Faculty of Mathematics and Physics, Prague, Czech Republic
200
Particle Physics Department, Rutherford Appleton Laboratory, Didcot, UK
201
IRFU, CEA, Université Paris-Saclay, Gif-sur-Yvette, France
202
Santa Cruz Institute for Particle Physics, University of California Santa Cruz, Santa Cruz, CA, USA
203
Departamento de Física, Pontificia Universidad Católica de Chile, Santiago, Chile
204
Universidad Andres Bello, Department of Physics, Santiago, Chile
205
Instituto de Alta Investigación, Universidad de Tarapacá, Arica, Chile
206
Departamento de Física, Universidad Técnica Federico Santa María, Valparaíso, Chile
207
Universidade Federal de São João del Rei (UFSJ), São João del Rei, Brazil
208
Department of Physics, University of Washington, Seattle, WA, USA
209
Department of Physics and Astronomy, University of Sheffield, Sheffield, UK
210
Department of Physics, Shinshu University, Nagano, Japan
211
Department Physik, Universität Siegen, Siegen, Germany
212
Department of Physics, Simon Fraser University, Burnaby, BC, Canada
213
SLAC National Accelerator Laboratory, Stanford, CA, USA
214
Physics Department, Royal Institute of Technology, Stockholm, Sweden
215
Departments of Physics and Astronomy, Stony Brook University, Stony Brook, NY, USA
216
Department of Physics and Astronomy, University of Sussex, Brighton, UK
217
School of Physics, University of Sydney, Sydney, Australia
218
Institute of Physics, Academia Sinica, Taipei, Taiwan
219
E. Andronikashvili Institute of Physics, Iv. Javakhishvili Tbilisi State University, Tbilisi, Georgia
220
High Energy Physics Institute, Tbilisi State University, Tbilisi, Georgia
221
Department of Physics, Technion, Israel Institute of Technology, Haifa, Israel
222
Raymond and Beverly Sackler School of Physics and Astronomy, Tel Aviv University, Tel Aviv, Israel
223
Department of Physics, Aristotle University of Thessaloniki, Thessaloniki, Greece
224
International Center for Elementary Particle Physics and Department of Physics, University of Tokyo, Tokyo, Japan
225
Graduate School of Science and Technology, Tokyo Metropolitan University, Tokyo, Japan
226
Department of Physics, Tokyo Institute of Technology, Tokyo, Japan
227
Tomsk State University, Tomsk, Russia
228
Department of Physics, University of Toronto, Toronto, ON, Canada
229
TRIUMF, Vancouver, BC, Canada
230
Department of Physics and Astronomy, York University, Toronto, ON, Canada
231
Division of Physics and Tomonaga Center for the History of the Universe, Faculty of Pure and Applied Sciences, University of Tsukuba, Tsukuba, Japan
232
Department of Physics and Astronomy, Tufts University, Medford, MA, USA
233
Department of Physics and Astronomy, University of California Irvine, Irvine, CA, USA
234
Department of Physics and Astronomy, University of Uppsala, Uppsala, Sweden
235
Department of Physics, University of Illinois, Urbana, IL, USA
236
Instituto de Física Corpuscular (IFIC), Centro Mixto Universidad de Valencia, CSIC, Valencia, Spain
237
Department of Physics, University of British Columbia, Vancouver, BC, Canada
238
Department of Physics and Astronomy, University of Victoria, Victoria, BC, Canada
239
Fakultät für Physik und Astronomie, Julius-Maximilians-Universität Würzburg, Würzburg, Germany
240
Department of Physics, University of Warwick, Coventry, UK
241
Waseda University, Tokyo, Japan
242
Department of Particle Physics and Astrophysics, Weizmann Institute of Science, Rehovot, Israel
243
Department of Physics, University of Wisconsin, Madison, WI, USA
244
Fakultät für Mathematik und Naturwissenschaften, Fachgruppe Physik, Bergische Universität Wuppertal, Wuppertal, Germany
245
Department of Physics, Yale University, New Haven, CT, USA
246
Borough of Manhattan Community College, City University of New York, New York, NY, USA
247
Centro Studi e Ricerche Enrico Fermi, Rome, Italy
248
CERN, Geneva, Switzerland
249
CPPM, Aix-Marseille Université, CNRS/IN2P3, Marseille, France
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Département de Physique Nucléaire et Corpusculaire, Université de Genève, Geneva, Switzerland
251
Departament de Fisica de la Universitat Autonoma de Barcelona, Barcelona, Spain
252
Department of Financial and Management Engineering, University of the Aegean, Chios, Greece
253
Department of Physics and Astronomy, Michigan State University, East Lansing, MI, USA
254
Department of Physics and Astronomy, University of Louisville, Louisville, KY, USA
255
Department of Physics, Ben Gurion University of the Negev, Beer Sheva, Israel
256
Department of Physics, California State University, East Bay, USA
257
Department of Physics, California State University, Fresno, USA
258
Department of Physics, California State University, Sacramento, USA
259
Department of Physics, King’s College London, London, UK
260
Department of Physics, St. Petersburg State Polytechnical University, St. Petersburg, Russia
261
Department of Physics, University of Fribourg, Fribourg, Switzerland
262
Dipartimento di Matematica, Informatica e Fisica, Università di Udine, Udine, Italy
263
Faculty of Physics, M.V. Lomonosov Moscow State University, Moscow, Russia
264
Giresun University, Faculty of Engineering, Giresun, Turkey
265
Graduate School of Science, Osaka University, Osaka, Japan
266
Hellenic Open University, Patras, Greece
267
Institucio Catalana de Recerca i Estudis Avancats, ICREA, Barcelona, Spain
268
Institut für Experimentalphysik, Universität Hamburg, Hamburg, Germany
269
Institute for Nuclear Research and Nuclear Energy (INRNE) of the Bulgarian Academy of Sciences, Sofia, Bulgaria
270
Institute for Particle and Nuclear Physics, Wigner Research Centre for Physics, Budapest, Hungary
271
Institute of Particle Physics (IPP), Toronto, Canada
272
Institute of Physics, Azerbaijan Academy of Sciences, Baku, Azerbaijan
273
Instituto de Fisica Teorica, IFT-UAM/CSIC, Madrid, Spain
274
Istanbul University, Dept. of Physics, Istanbul, Turkey
275
Joint Institute for Nuclear Research, Dubna, Russia
276
Moscow Institute of Physics and Technology State University, Dolgoprudny, Russia
277
National Research Nuclear University MEPhI, Moscow, Russia
278
Physics Department, An-Najah National University, Nablus, Palestine
279
Physikalisches Institut, Albert-Ludwigs-Universität Freiburg, Freiburg, Germany
280
The City College of New York, New York, NY, USA
281
TRIUMF, Vancouver, BC, Canada
282
Universita di Napoli Parthenope, Naples, Italy
283
University of Chinese Academy of Sciences (UCAS), Beijing, China
284
CERN, 1211, Geneva 23, Switzerland
a
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Received:
2
December
2020
Accepted:
12
May
2021
Published online:
5
July
2021
Abstract
This article documents the muon reconstruction and identification efficiency obtained by the ATLAS experiment for 139 
of pp collision data at 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 
and 
decays, and the minimisation of systematic uncertainties, allows the efficiencies of criteria for muon identification, primary vertex association, and isolation to be measured with an accuracy at the per-mille level in the bulk of the phase space, and up to the percent level in complex kinematic configurations. Excellent performance is achieved over a range of transverse momenta from 3 GeV to several hundred GeV, and across the full muon detector acceptance of 
.
© CERN for the benefit of the ATLAS collaboration 2021
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