Measurement of azimuthal anisotropy of muons from charm and bottom hadrons in pp collisions at √s = 13 TeV with the ATLAS detector

ATLAS Collaboration

doi:10.1103/PhysRevLett.124.082301

Measurement of azimuthal anisotropy of muons from charm and bottom hadrons in pp collisions at √s = 13 TeV with the ATLAS detector

ATLAS Collaboration

iThemba Labs
Aix-Marseille Université
University of Oklahoma
University of Massachusetts Amherst
Istituto Nazionale di Fisica Nucleare, Sezione di Pavia
University of Pavia
Georg August Universität Göttingen
University of London
University of Toronto
Niels Bohr Institutet
University of Sussex
Tel Aviv University
Technion - Israel Institute of Technology
Argonne National Laboratory
Sezione INFN di Roma La Sapienza
ICTP
King's College London
University of Tokyo
Johannes Gutenberg University
University of Grenoble Alpes
Univ of Mining and Metallurgy
USA
University of Munich
Bogazici University
University of Geneva
Rutherford Appleton Laboratory
University of California at Santa Cruz
Laboratoire de l'Accélérateur Linéaire
LAIC, Université d'Auvergne
Radboud University Nijmegen
'Al. I. Cuza' University
Laboratório de Instrumentacão e Física Experimental de Partículas
University of Granada
New University of Lisbon
Instituto Superior Técnico
IFT-UAM/CSIC
Joint Inst. for Nuclear Research
McGill University and Génome Québec Innovation Centre
University of California at Berkeley
INFN Sezione di Roma Tor Vergata
University of Rome Tor Vergata
Faculty of Science
Lund University
P.N. Lebedev Physical Institute of the Russian Academy of Sciences
DIBINEM, Alma Mater Studiorum, University of Bologna
Istituto Nazionale di Fisica Nucleare, Sezione di Bologna
University of Victoria
European Organization for Nuclear Research
Horia Hulubei National Institute of Physics and Nuclear Engineering
Humboldt-Universität zu Berlin
University of Sheffield
National Technical University of Athens
University of Amsterdam
Czech Technical University in Prague
INFN Sezione di Milano
University of Chicago
University of Washington
University of Oregon
University of Birmingham
INFN Sezione di Napoli
Università di Napoli Federico II
National University of La Plata
University of Glasgow
Universidad Autónoma de Madrid
University of Valencia
Federal University of Rio de Janeiro
University of Oxford
Brandeis University
University of Michigan, Ann Arbor
Deutsches Elektronen-Synchrotron (DESY)
Iowa State University
University Paris-Sud
University of Texas at Austin
Heidelberg University
University of Bern
University of Milan
Columbia University
Budker Institute of Nuclear Physics (SB RAS)
Novosibirsk State University
SNS and INFN
Oklahoma State University
INFN, Laboratori Nazionali Di Frascati
University of California, Irvine
High Energy Accelerator Research Organization (KEK)
Institute of High Energy Physics Chinese Academy of Science
Michigan State University
Duke University
Université de Montréal
Iowa University
National Research Centre "Kurchatov Institute"
Broad Institute of Harvard University
Uppsala University
University Mohammed I
Brookhaven National Laboratory Physics Department
Comenius University
University of Cape Town
University of Illinois at Urbana-Champaign
University of Science and Technology of China
York University
TRIUMF
Istituto Nazionale di Fisica Nucleare, Sezione di Lecce
University of Salento
Stockholm University
Oskar Klein Centre
Universita La Sapienza
Henryk Niewodniczanski Institute of Nuclear Physics Polish Academy of Sciences
Simon Fraser University
Yale University
University of Texas at Arlington
University of Sydney
Weizmann Institute of Science Israel
University of Bonn
University of Wisconsin-Madison
University of Louisville
Bergische Universität Wuppertal
School of Physics
University of Genova
Sezione INFN di Genova
University College London
Max-Planck-Institut für Physik
Stanford University
Shanghai Jiao Tong University
Department of Physics, Lancaster University
An-Najah National University
University Mohammed V in Rabat
University of Cambridge
University of Siegen
California State University
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University of Arizona
University of Manchester
Southern Methodist University
Queen Mary University of London
University of Würzburg
University of Pittsburgh
University of Pisa
Technische Universität Dresden
University of Oslo
Boston University
Dept. d'Estructura I Constituents De La Matèria and IFAE
Moscow State University
University of Liverpool
Institute for High Energy Physics (IHEP)
Ohio State University
University of Johannesburg
University of South Africa
Universidad Técnica Federico Santa María
Institute of Experimental Physics Slovak Academy of Sciences
University of Bergen
Academia Sinica Taipei
Justus-Liebig-Universität Gießen
Ankara University School of Medicine
Indiana University Bloomington
Universite della Calabria
Charles University
Universitat Autònoma de Barcelona
PT Government Associated Laboratory, University of Minho
Istanbul Bilgi University
Sez. di Roma Tre
Joint Laboratory of Optics
Universidade Federal de Juiz de Fora
Tbilisi State University
Tomsk State University
Moscow Institute of Physics and Technology
University of Pennsylvania School of Arts and Sciences
Nanjing University
Tsinghua University
Collaborative Innovation Center of Quantum Matter
Kobe University
Chinese University of Hong Kong
National Tsing Hua University
Aristotle University of Thessaloniki
University of Chinese Academy of Sciences
Institute of Physics of the Czech Academy of Sciences
pro3dure medical GmbH
Jožef Stefan Institute
Univ. of Ljubljana
Ben Gurion University of the Negev
University of Edinburgh
Univ.́ degli Studi di Udine
Università di Napoli Parthenope
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Institute of Particle Physics
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Pontificia Universidad Católica de Chile
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Coimbra University Pó lo II
City Coll. City Univ. of New York
INFN-TIFPA
University of Trento
Tokyo Metropolitan University
Nagasaki Institute of Applied Science
University of Alberta
University of the Aegean
University of Lisboa
Université Ibn-Tofail
West University in Timisoara
California State University-East Bay
Technology Department
University of New Mexico
Osaka University
Tsukuba University
Natl. Academy of Sciences of Belarus
University of Warwick
Shinshu University
University of the Witwatersrand, Johannesburg
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Institute for Nuclear Problems of the Belarus State University
Azerbaijan Academy of Sciences
University of Texas at Dallas
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Ilia State University (ISU)
Stanford University
Tokyo Institute of Technology
Waseda University
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Ochanomizu University
Manhattan College
University of Belgrade
Istanbul Aydin University (IAU)
Hellenic Open University
Hong Kong University of Science and Technology
University of Colorado Boulder
City College of New York
University of Hong Kong
Universidad Antonio Nariño
Center for Autonomous Systems
Centro de Física Nuclear Universidade de Lisboa
A.I. Alikhanyan National Science Laboratory (YerPhi)
California State University, Sacramento
Hiroshima Institute of Technology
Okayama University
Jagiellonian University
Transilvania University of Brasov
National Institute for R&D of Isotopic and Molecular Technologies
University Politehnica of Bucharest
CNRS/IN2P3 and Université Paris 11
Louisiana Tech University
Sun Yat-Sen University
Bulgarian Academy of Sciences
University of Sharjah
TOBB University of Economics and Technology
Universität Hamburg
Kyoto University of Education
Wigner Research Centre for Physics
Giresun University (Giresun)

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Abstract

The elliptic flow of muons from the decay of charm and bottom hadrons is measured in pp collisions at √s = 13 TeV using a data sample with an integrated luminosity of 150 pb^-1 recorded by the ATLAS detector at the LHC. The muons from heavy-flavor decay are separated from light-hadron decay muons using momentum imbalance between the tracking and muon spectrometers. The heavy-flavor decay muons are further separated into those from charm decay and those from bottom decay using the distance-of closest-approach to the collision vertex. The measurement is performed for muons in the transverse momentum range 4-7 GeV and pseudorapidity range |η| < 2.4. A significant nonzero elliptic anisotropy coefficient θ2 is observed for muons from charm decays, while the θ2 value for muons from bottom decays is consistent with zero within uncertainties.

Original language	English
Article number	082301
Journal	Physical Review Letters
Volume	124
Issue number	8
DOIs	https://doi.org/10.1103/PhysRevLett.124.082301
State	Published - 26 Feb 2020
Externally published	Yes

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10.1103/PhysRevLett.124.082301

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@article{cf40daff0492492790b1df720fd96adf,

title = "Measurement of azimuthal anisotropy of muons from charm and bottom hadrons in pp collisions at √s = 13 TeV with the ATLAS detector",

abstract = "The elliptic flow of muons from the decay of charm and bottom hadrons is measured in pp collisions at √s = 13 TeV using a data sample with an integrated luminosity of 150 pb-1 recorded by the ATLAS detector at the LHC. The muons from heavy-flavor decay are separated from light-hadron decay muons using momentum imbalance between the tracking and muon spectrometers. The heavy-flavor decay muons are further separated into those from charm decay and those from bottom decay using the distance-of closest-approach to the collision vertex. The measurement is performed for muons in the transverse momentum range 4-7 GeV and pseudorapidity range |η| < 2.4. A significant nonzero elliptic anisotropy coefficient θ2 is observed for muons from charm decays, while the θ2 value for muons from bottom decays is consistent with zero within uncertainties.",

author = "\{ATLAS Collaboration\} and G. Aad and B. Abbott and Abbott, \{D. C.\} and \{Abed Abud\}, A. and K. Abeling and Abhayasinghe, \{D. K.\} and Abidi, \{S. H.\} and AbouZeid, \{O. S.\} and Abraham, \{N. L.\} and H. Abramowicz and H. Abreu and Y. Abulaiti and Acharya, \{B. S.\} and B. Achkar and S. Adachi and L. Adam and \{Adam Bourdarios\}, C. and L. Adamczyk and L. Adamek and J. Adelman and M. Adersberger and A. Adiguzel and S. Adorni and T. Adye and Affolder, \{A. A.\} and Y. Afik and C. Agapopoulou and Agaras, \{M. N.\} and A. Aggarwal and C. Agheorghiesei and Aguilar-Saavedra, \{J. A.\} and F. Ahmadov and Ahmed, \{W. S.\} and X. Ai and G. Aielli and S. Akatsuka and Akesson, \{T. P.A.\} and E. Akilli and Akimov, \{A. V.\} and \{Al Khoury\}, K. and Alberghi, \{G. L.\} and J. Albert and \{Alconada Verzini\}, \{M. J.\} and S. Alderweireldt and M. Aleksa and Aleksandrov, \{I. N.\} and C. Alexa and D. Alexandre and L. Heinrich and E. Kourlitis",

note = "Publisher Copyright: {\textcopyright} 2020 CERN, for the ATLAS Collaboration.",

year = "2020",

month = feb,

day = "26",

doi = "10.1103/PhysRevLett.124.082301",

language = "English",

volume = "124",

journal = "Physical Review Letters",

issn = "0031-9007",

publisher = "American Physical Society",

number = "8",

}

TY - JOUR

T1 - Measurement of azimuthal anisotropy of muons from charm and bottom hadrons in pp collisions at √s = 13 TeV with the ATLAS detector

AU - ATLAS Collaboration

AU - Aad, G.

AU - Abbott, B.

AU - Abbott, D. C.

AU - Abed Abud, A.

AU - Abeling, K.

AU - Abhayasinghe, D. K.

AU - Abidi, S. H.

AU - AbouZeid, O. S.

AU - Abraham, N. L.

AU - Abramowicz, H.

AU - Abreu, H.

AU - Abulaiti, Y.

AU - Acharya, B. S.

AU - Achkar, B.

AU - Adachi, S.

AU - Adam, L.

AU - Adam Bourdarios, C.

AU - Adamczyk, L.

AU - Adamek, L.

AU - Adelman, J.

AU - Adersberger, M.

AU - Adiguzel, A.

AU - Adorni, S.

AU - Adye, T.

AU - Affolder, A. A.

AU - Afik, Y.

AU - Agapopoulou, C.

AU - Agaras, M. N.

AU - Aggarwal, A.

AU - Agheorghiesei, C.

AU - Aguilar-Saavedra, J. A.

AU - Ahmadov, F.

AU - Ahmed, W. S.

AU - Ai, X.

AU - Aielli, G.

AU - Akatsuka, S.

AU - Akesson, T. P.A.

AU - Akilli, E.

AU - Akimov, A. V.

AU - Al Khoury, K.

AU - Alberghi, G. L.

AU - Albert, J.

AU - Alconada Verzini, M. J.

AU - Alderweireldt, S.

AU - Aleksa, M.

AU - Aleksandrov, I. N.

AU - Alexa, C.

AU - Alexandre, D.

AU - Heinrich, L.

AU - Kourlitis, E.

PY - 2020/2/26

Y1 - 2020/2/26

N2 - The elliptic flow of muons from the decay of charm and bottom hadrons is measured in pp collisions at √s = 13 TeV using a data sample with an integrated luminosity of 150 pb-1 recorded by the ATLAS detector at the LHC. The muons from heavy-flavor decay are separated from light-hadron decay muons using momentum imbalance between the tracking and muon spectrometers. The heavy-flavor decay muons are further separated into those from charm decay and those from bottom decay using the distance-of closest-approach to the collision vertex. The measurement is performed for muons in the transverse momentum range 4-7 GeV and pseudorapidity range |η| < 2.4. A significant nonzero elliptic anisotropy coefficient θ2 is observed for muons from charm decays, while the θ2 value for muons from bottom decays is consistent with zero within uncertainties.

AB - The elliptic flow of muons from the decay of charm and bottom hadrons is measured in pp collisions at √s = 13 TeV using a data sample with an integrated luminosity of 150 pb-1 recorded by the ATLAS detector at the LHC. The muons from heavy-flavor decay are separated from light-hadron decay muons using momentum imbalance between the tracking and muon spectrometers. The heavy-flavor decay muons are further separated into those from charm decay and those from bottom decay using the distance-of closest-approach to the collision vertex. The measurement is performed for muons in the transverse momentum range 4-7 GeV and pseudorapidity range |η| < 2.4. A significant nonzero elliptic anisotropy coefficient θ2 is observed for muons from charm decays, while the θ2 value for muons from bottom decays is consistent with zero within uncertainties.

UR - https://www.scopus.com/pages/publications/85080899264

U2 - 10.1103/PhysRevLett.124.082301

DO - 10.1103/PhysRevLett.124.082301

M3 - Article

C2 - 32167369

AN - SCOPUS:85080899264

SN - 0031-9007

VL - 124

JO - Physical Review Letters

JF - Physical Review Letters

IS - 8

M1 - 082301

ER -

Measurement of azimuthal anisotropy of muons from charm and bottom hadrons in pp collisions at √s = 13 TeV with the ATLAS detector

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