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Azimuthal Anisotropy of Heavy-Flavor Decay Electrons in p-Pb Collisions at sqrt[s_{NN}]=5.02 TeV.
Acharya, S; Adamová, D; Adolfsson, J; Aggarwal, M M; Aglieri Rinella, G; Agnello, M; Agrawal, N; Ahammed, Z; Ahn, S U; Aiola, S; Akindinov, A; Al-Turany, M; Alam, S N; Albuquerque, D S D; Aleksandrov, D; Alessandro, B; Alfaro Molina, R; Ali, Y; Alici, A; Alkin, A; Alme, J; Alt, T; Altenkamper, L; Altsybeev, I; Anaam, M N; Andrei, C; Andreou, D; Andrews, H A; Andronic, A; Angeletti, M; Anguelov, V; Anson, C; Anticic, T; Antinori, F; Antonioli, P; Anwar, R; Apadula, N; Aphecetche, L; Appelshäuser, H; Arcelli, S; Arnaldi, R; Arnold, O W; Arsene, I C; Arslandok, M; Augustinus, A; Averbeck, R; Azmi, M D; Badalà, A; Baek, Y W; Bagnasco, S.
Affiliation
  • Acharya S; Variable Energy Cyclotron Centre, Homi Bhabha National Institute, Kolkata, India.
  • Adamová D; Nuclear Physics Institute of the Czech Academy of Sciences, Rez u Prahy, Czech Republic.
  • Adolfsson J; Lund University Department of Physics, Division of Particle Physics, Lund, Sweden.
  • Aggarwal MM; Physics Department, Panjab University, Chandigarh, India.
  • Aglieri Rinella G; European Organization for Nuclear Research (CERN), Geneva, Switzerland.
  • Agnello M; Dipartimento DISAT del Politecnico and Sezione INFN, Turin, Italy.
  • Agrawal N; Indian Institute of Technology Bombay (IIT), Mumbai, India.
  • Ahammed Z; Variable Energy Cyclotron Centre, Homi Bhabha National Institute, Kolkata, India.
  • Ahn SU; Korea Institute of Science and Technology Information, Daejeon, Republic of Korea.
  • Aiola S; Yale University, New Haven, Connecticut, USA.
  • Akindinov A; Institute for Theoretical and Experimental Physics, Moscow, Russia.
  • Al-Turany M; Research Division and ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt, Germany.
  • Alam SN; Variable Energy Cyclotron Centre, Homi Bhabha National Institute, Kolkata, India.
  • Albuquerque DSD; Universidade Estadual de Campinas (UNICAMP), Campinas, Brazil.
  • Aleksandrov D; National Research Centre Kurchatov Institute, Moscow, Russia.
  • Alessandro B; INFN, Sezione di Torino, Turin, Italy.
  • Alfaro Molina R; Instituto de Física, Universidad Nacional Autónoma de México, Mexico City, Mexico.
  • Ali Y; COMSATS Institute of Information Technology (CIIT), Islamabad, Pakistan.
  • Alici A; Centro Fermi - Museo Storico della Fisica e Centro Studi e Ricerche "Enrico Fermi", Rome, Italy.
  • Alkin A; Dipartimento di Fisica e Astronomia dell'Università and Sezione INFN, Bologna, Italy.
  • Alme J; INFN, Sezione di Bologna, Bologna, Italy.
  • Alt T; Bogolyubov Institute for Theoretical Physics, National Academy of Sciences of Ukraine, Kiev, Ukraine.
  • Altenkamper L; Department of Physics and Technology, University of Bergen, Bergen, Norway.
  • Altsybeev I; Institut für Kernphysik, Johann Wolfgang Goethe-Universität Frankfurt, Frankfurt, Germany.
  • Anaam MN; Department of Physics and Technology, University of Bergen, Bergen, Norway.
  • Andrei C; St. Petersburg State University, St. Petersburg, Russia.
  • Andreou D; Central China Normal University, Wuhan, China.
  • Andrews HA; Horia Hulubei National Institute of Physics and Nuclear Engineering, Bucharest, Romania.
  • Andronic A; European Organization for Nuclear Research (CERN), Geneva, Switzerland.
  • Angeletti M; School of Physics and Astronomy, University of Birmingham, Birmingham, United Kingdom.
  • Anguelov V; Research Division and ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt, Germany.
  • Anson C; Westfälische Wilhelms-Universität Münster, Institut für Kernphysik, Münster, Germany.
  • Anticic T; European Organization for Nuclear Research (CERN), Geneva, Switzerland.
  • Antinori F; Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany.
  • Antonioli P; Creighton University, Omaha, Nebraska, USA.
  • Anwar R; Rudjer Boskovic Institute, Zagreb, Croatia.
  • Apadula N; INFN, Sezione di Padova, Padova, Italy.
  • Aphecetche L; INFN, Sezione di Bologna, Bologna, Italy.
  • Appelshäuser H; University of Houston, Houston, Texas, USA.
  • Arcelli S; Lawrence Berkeley National Laboratory, Berkeley, California, USA.
  • Arnaldi R; SUBATECH, IMT Atlantique, Université de Nantes, CNRS-IN2P3, Nantes, France.
  • Arnold OW; Institut für Kernphysik, Johann Wolfgang Goethe-Universität Frankfurt, Frankfurt, Germany.
  • Arsene IC; Dipartimento di Fisica e Astronomia dell'Università and Sezione INFN, Bologna, Italy.
  • Arslandok M; INFN, Sezione di Torino, Turin, Italy.
  • Augustinus A; Physik Department, Technische Universität München, Munich, Germany.
  • Averbeck R; Technische Universität München, Excellence Cluster "Universe," Munich, Germany.
  • Azmi MD; Department of Physics, University of Oslo, Oslo, Norway.
  • Badalà A; Physikalisches Institut, Ruprecht-Karls-Universität Heidelberg, Heidelberg, Germany.
  • Baek YW; European Organization for Nuclear Research (CERN), Geneva, Switzerland.
  • Bagnasco S; Research Division and ExtreMe Matter Institute EMMI, GSI Helmholtzzentrum für Schwerionenforschung GmbH, Darmstadt, Germany.
Phys Rev Lett ; 122(7): 072301, 2019 Feb 22.
Article in En | MEDLINE | ID: mdl-30848618
ABSTRACT
Angular correlations between heavy-flavor decay electrons and charged particles at midrapidity (|η|<0.8) are measured in p-Pb collisions at sqrt[s_{NN}]=5.02 TeV. The analysis is carried out for the 0%-20% (high) and 60%-100% (low) multiplicity ranges. The jet contribution in the correlation distribution from high-multiplicity events is removed by subtracting the distribution from low-multiplicity events. An azimuthal modulation remains after removing the jet contribution, similar to previous observations in two-particle angular correlation measurements for light-flavor hadrons. A Fourier decomposition of the modulation results in a positive second-order coefficient (v_{2}) for heavy-flavor decay electrons in the transverse momentum interval 1.5muons at forward rapidity. The v_{2} measurement of open heavy-flavor particles at midrapidity in small collision systems could provide crucial information to help interpret the anisotropies observed in such systems.
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Full text: 1 Database: MEDLINE Language: En Year: 2019 Type: Article
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Full text: 1 Database: MEDLINE Language: En Year: 2019 Type: Article