https://doi.org/10.1140/epjc/s10052-018-6034-3
Regular Article - Experimental Physics
meson production at forward rapidity in Pb–Pb collisions at
TeV
1
A.I. Alikhanyan National Science Laboratory (Yerevan Physics Institute) Foundation, Yerevan, Armenia
2
Benemérita Universidad Autónoma de Puebla, Puebla, Mexico
3
Bogolyubov Institute for Theoretical Physics, National Academy of Sciences of Ukraine, Kiev, Ukraine
4
Department of Physics, Centre for Astroparticle Physics and Space Science (CAPSS), Bose Institute, Kolkata, India
5
Budker Institute for Nuclear Physics, Novosibirsk, Russia
6
California Polytechnic State University, San Luis Obispo, CA, USA
7
Central China Normal University, Wuhan, China
8
Centre de Calcul de l’IN2P3, Villeurbanne, Lyon, France
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Centro de Aplicaciones Tecnológicas y Desarrollo Nuclear (CEADEN), Havana, Cuba
10
Centro de Investigación y de Estudios Avanzados (CINVESTAV), Mexico City and Mérida, Mexico
11
Centro Fermi-Museo Storico della Fisica e Centro Studi e Ricerche “Enrico Fermi’, Rome, Italy
12
Chicago State University, Chicago, IL, USA
13
China Institute of Atomic Energy, Beijing, China
14
Chonbuk National University, Jeonju, Republic of Korea
15
Faculty of Mathematics, Physics and Informatics, Comenius University Bratislava, Bratislava, Slovakia
16
COMSATS Institute of Information Technology (CIIT), Islamabad, Pakistan
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Creighton University, Omaha, NE, USA
18
Department of Physics, Aligarh Muslim University, Aligarh, India
19
Department of Physics, Ohio State University, Columbus, OH, USA
20
Department of Physics, Pusan National University, Pusan, Republic of Korea
21
Department of Physics, Sejong University, Seoul, Republic of Korea
22
Department of Physics, University of California, Berkeley, CA, USA
23
Department of Physics, University of Oslo, Oslo, Norway
24
Department of Physics and Technology, University of Bergen, Bergen, Norway
25
Dipartimento di Fisica dell’Università ’La Sapienza’ and Sezione INFN, Rome, Italy
26
Dipartimento di Fisica dell’Università and Sezione INFN, Cagliari, Italy
27
Dipartimento di Fisica dell’Università and Sezione INFN, Trieste, Italy
28
Dipartimento di Fisica dell’Università and Sezione INFN, Turin, Italy
29
Dipartimento di Fisica e Astronomia dell’Università and Sezione INFN, Bologna, Italy
30
Dipartimento di Fisica e Astronomia dell’Università and Sezione INFN, Catania, Italy
31
Dipartimento di Fisica e Astronomia dell’Università and Sezione INFN, Padua, Italy
32
Dipartimento di Fisica ‘E.R. Caianiello’ dell’Università and Gruppo Collegato INFN, Salerno, Italy
33
Dipartimento DISAT del Politecnico and Sezione INFN, Turin, Italy
34
Dipartimento di Scienze e Innovazione Tecnologica dell’Università del Piemonte Orientale and INFN Sezione di Torino, Alessandria, Italy
35
Dipartimento Interateneo di Fisica ‘M. Merlin’ and Sezione INFN, Bari, Italy
36
European Organization for Nuclear Research (CERN), Geneva, Switzerland
37
Faculty of Engineering and Business Administration, Western Norway University of Applied Sciences, Bergen, Norway
38
Faculty of Nuclear Sciences and Physical Engineering, Czech Technical University in Prague, Prague, Czech Republic
39
Faculty of Science, P.J. Šafárik University, Kosice, Slovakia
40
Frankfurt Institute for Advanced Studies, Johann Wolfgang Goethe-Universität Frankfurt, Frankfurt, Germany
41
Gangneung-Wonju National University, Gangneung, Republic of Korea
42
Department of Physics, Gauhati University, Guwahati, India
43
Helmholtz-Institut für Strahlen- und Kernphysik, Rheinische Friedrich-Wilhelms-Universität Bonn, Bonn, Germany
44
Helsinki Institute of Physics (HIP), Helsinki, Finland
45
Hiroshima University, Hiroshima, Japan
46
Hochschule Worms, Zentrum für Technologietransfer und Telekommunikation (ZTT), Worms, Germany
47
Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest, Romania
48
Indian Institute of Technology Bombay (IIT), Mumbai, India
49
Indian Institute of Technology Indore, Indore, India
50
Indonesian Institute of Sciences, Jakarta, Indonesia
51
INFN, Laboratori Nazionali di Frascati, Frascati, Italy
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INFN, Sezione di Bari, Bari, Italy
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INFN, Sezione di Bologna, Bologna, Italy
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INFN, Sezione di Cagliari, Cagliari, Italy
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INFN, Sezione di Catania, Catania, Italy
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INFN, Sezione di Padova, Padua, Italy
57
INFN, Sezione di Roma, Rome, Italy
58
INFN, Sezione di Torino, Turin, Italy
59
INFN, Sezione di Trieste, Trieste, Italy
60
Inha University, Incheon, Republic of Korea
61
Institut de Physique Nucléaire d’Orsay (IPNO), Institut National de Physique Nucléaire et de Physique des Particules (IN2P3/CNRS), Université de Paris-Sud, Université Paris-Saclay, Orsay, France
62
Institute for Nuclear Research, Academy of Sciences, Moscow, Russia
63
Institute for Subatomic Physics of Utrecht University, Utrecht, The Netherlands
64
Institute for Theoretical and Experimental Physics, Moscow, Russia
65
Institute of Experimental Physics, Slovak Academy of Sciences, Kosice, Slovakia
66
Institute of Physics, Bhubaneswar, India
67
Institute of Physics of the Czech Academy of Sciences, Prague, Czech Republic
68
Institute of Space Science (ISS), Bucharest, Romania
69
Institut für Kernphysik, Johann Wolfgang Goethe-Universität Frankfurt, Frankfurt, Germany
70
Instituto de Ciencias Nucleares, Universidad Nacional Autónoma de México, Mexico City, Mexico
71
Instituto de Física, Universidade Federal do Rio Grande do Sul (UFRGS), Porto Alegre, Brazil
72
Instituto de Física, Universidad Nacional Autónoma de México, Mexico City, Mexico
73
iThemba LABS, National Research Foundation, Somerset West, South Africa
74
Johann-Wolfgang-Goethe Universität Frankfurt Institut für Informatik, Fachbereich Informatik und Mathematik, Frankfurt, Germany
75
Joint Institute for Nuclear Research (JINR), Dubna, Russia
76
Konkuk University, Seoul, Republic of Korea
77
Korea Institute of Science and Technology Information, Daejeon, Republic of Korea
78
KTO Karatay University, Konya, Turkey
79
Laboratoire de Physique Subatomique et de Cosmologie, Université Grenoble-Alpes, CNRS-IN2P3, Grenoble, France
80
Lawrence Berkeley National Laboratory, Berkeley, CA, USA
81
Division of Particle Physics, Department of Physics, Lund University, Lund, Sweden
82
Nagasaki Institute of Applied Science, Nagasaki, Japan
83
Nara Women’s University (NWU), Nara, Japan
84
Department of Physics, School of Science, National and Kapodistrian University of Athens, Athens, Greece
85
National Centre for Nuclear Research, Warsaw, Poland
86
National Institute of Science Education and Research, HBNI, Jatni, India
87
National Nuclear Research Center, Baku, Azerbaijan
88
National Research Centre Kurchatov Institute, Moscow, Russia
89
Niels Bohr Institute, University of Copenhagen, Copenhagen, Denmark
90
Nikhef, National Institute for Subatomic Physics, Amsterdam, The Netherlands
91
NRC Kurchatov Institute IHEP, Protvino, Russia
92
NRNU Moscow Engineering Physics Institute, Moscow, Russia
93
Nuclear Physics Group, STFC Daresbury Laboratory, Daresbury, UK
94
Nuclear Physics Institute of the Czech Academy of Sciences, Řež u Prahy, Czech Republic
95
Oak Ridge National Laboratory, Oak Ridge, TN, USA
96
Petersburg Nuclear Physics Institute, Gatchina, Russia
97
Physics Department, Faculty of science, University of Zagreb, Zagreb, Croatia
98
Physics Department, Panjab University, Chandigarh, India
99
Physics Department, University of Jammu, Jammu, India
100
Physics Department, University of Rajasthan, Jaipur, India
101
Physikalisches Institut, Eberhard-Karls-Universität Tübingen, Tübingen, Germany
102
Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany
103
Physik Department, Technische Universität München, Munich, Germany
104
Research Division and ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt, Germany
105
Rudjer Bošković Institute, Zagreb, Croatia
106
Russian Federal Nuclear Center (VNIIEF), Sarov, Russia
107
Saha Institute of Nuclear Physics, Kolkata, India
108
School of Physics and Astronomy, University of Birmingham, Birmingham, UK
109
Sección Física, Departamento de Ciencias, Pontificia Universidad Católica del Perú, Lima, Peru
110
Stefan Meyer Institut für Subatomare Physik (SMI), Vienna, Austria
111
SUBATECH, IMT Atlantique, Université de Nantes, CNRS-IN2P3, Nantes, France
112
Suranaree University of Technology, Nakhon Ratchasima, Thailand
113
Technical University of Košice, Kosice, Slovakia
114
Technische Universität München, Excellence Cluster ‘Universe’, Munich, Germany
115
The Henryk Niewodniczanski Institute of Nuclear Physics, Polish Academy of Sciences, Cracow, Poland
116
The University of Texas at Austin, Austin, TX, USA
117
Universidad Autónoma de Sinaloa, Culiacán, Mexico
118
Universidade de São Paulo (USP), São Paulo, Brazil
119
Universidade Estadual de Campinas (UNICAMP), Campinas, Brazil
120
Universidade Federal do ABC, Santo Andre, Brazil
121
University College of Southeast Norway, Tonsberg, Norway
122
University of Cape Town, Cape Town, South Africa
123
University of Houston, Houston, TX, USA
124
University of Jyväskylä, Jyväskylä, Finland
125
University of Liverpool, Liverpool, UK
126
Faculty of Electrical Engineering, Mechanical Engineering and Naval Architecture, University of Split, Split, Croatia
127
University of Tennessee, Knoxville, TN, USA
128
University of the Witwatersrand, Johannesburg, South Africa
129
University of Tokyo, Tokyo, Japan
130
University of Tsukuba, Tsukuba, Japan
131
Université Clermont Auvergne, CNRS/IN2P3, LPC, Clermont-Ferrand, France
132
Université de Lyon, Université Lyon 1, CNRS/IN2P3, IPN-Lyon, Villeurbanne, Lyon, France
133
Université de Strasbourg, CNRS, IPHC UMR 7178, 67000, Strasbourg, France
134
Department de Physique Nucléaire (DPhN), Université Paris-Saclay Centre dÉtudes de Saclay (CEA), IRFU, Saclay, France
135
Università degli Studi di Pavia, Pavia, Italy
136
Università di Brescia, Brescia, Italy
137
V. Fock Institute for Physics, St. Petersburg State University, St. Petersburg, Russia
138
Variable Energy Cyclotron Centre, Kolkata, India
139
Warsaw University of Technology, Warsaw, Poland
140
Wayne State University, Detroit, MI, USA
141
Institut für Kernphysik, Westfälische Wilhelms-Universität Münster, Münster, Germany
142
Wigner Research Centre for Physics, Hungarian Academy of Sciences, Budapest, Hungary
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Yale University, New Haven, CT, USA
144
Yonsei University, Seoul, Republic of Korea
145
CERN, 1211, Geneva 23, Switzerland
* e-mail: alice-publications@cern.ch
Received:
3
May
2018
Accepted:
28
June
2018
Published online:
7
July
2018
meson measurements provide insight into strangeness production, which is one of the key observables for the hot medium formed in high-energy heavy-ion collisions. ALICE measured
production through its decay in muon pairs in Pb–Pb collisions at
TeV in the intermediate transverse momentum range
GeV/c and in the rapidity interval
. The
yield was measured as a function of the transverse momentum and collision centrality. The nuclear modification factor was obtained as a function of the average number of participating nucleons. Results were compared with the ones obtained via the kaon decay channel in the same
range at midrapidity. The values of the nuclear modification factor in the two rapidity regions are in agreement within uncertainties.
© CERN for the benefit of the ALICE collaboration, 2018