[논문]Measurement of the (anti-)3He elliptic flow in Pb–Pb collisions at  s NN  = 5.02 TeV

Acharya, S.; Adamová; , D.; Adhya, S.P.; Adler, A.; Adolfsson, J.; Aggarwal, M.M.; Aglieri Rinella, G.; Agnello, M.; Agrawal, N.; Ahammed, Z.; Ahmad, S.; Ahn, S.U.; Akindinov, A.; Al-Turany, M.; Alam, S.N.; Albuquerque, D.S.D.; Aleksandrov, D.; Alessandro, B.; Alfanda, H.M.; Alfaro Molina, R.; Ali, B.; 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.; Antič; ić; , T.; Antinori, F.; Antonioli, P.; Anwar, R.; Apadula, N.; Aphecetche, L.; Appelshä; user, H.; Arcelli, S.; Arnaldi, R.; Arratia, M.; Arsene, I.C.; Arslandok, M.; Augustinus, A.; Averbeck, R.; Aziz, S.; Azmi, M.D.; Badalà; , A.; Baek, Y.W.; Bagnasco, S.; Bai, X.; Bailhache, R.; Bala, R.; Baldisseri, A.; Ball, M.; Balouza, S.; Baral, R.C.; Barbera, R.; Barioglio, L.; Barnafö; ldi, G.G.; Barnby, L.S.; Bar

doi:10.1016/j.physletb.2020.135414

[해외논문] Measurement of the (anti-)3He elliptic flow in Pb–Pb collisions at s NN = 5.02 TeV 원문보기

Physics letters: B, v.805, 2020년, pp.135414 -

Acharya, S. (Variable Energy Cyclotron Centre, Homi Bhabha National Institute) , Adamová, D. (Nuclear Physics Institute of the Czech Academy of Sciences) , Adhya, S.P. (Variable Energy Cyclotron Centre, Homi Bhabha National Institute) , Adler, A. (Johann-Wolfgang-Goethe Universitä) , Adolfsson, J. (t, Frankfurt Institut fü) , Aggarwal, M.M. (r Informatik, Fachbereich Informatik und Mathematik) , Aglieri Rinella, G. (Lund University Department of Physics, Division of Particle Physics) , Agnello, M. (Physics Department, Panjab University) , Agrawal, N. (European Organization for Nuclear Research (CERN)) , Ahammed, Z. (Dipartimento DISAT del Politecnico, Sezione INFN) , Ahmad, S. (Centro Fermi –) , Ahn, S.U. (Museo Storico della Fisica e Centro Studi e Ricerche “Enrico Fermi') , Akindinov, A. (Variable Energy Cyclotron Centre, Homi Bhabha National Institute) , Al-Turany, M. (Department of Physics, Aligarh Muslim Univ) , Alam, S.N. , Albuquerque, D.S.D. , Aleksandrov, D. , Alessandro, B. , Alfanda, H.M. , Alfaro Molina, R. , Ali, B. , 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. , Antičić, T. , Antinori, F. , Antonioli, P. , Anwar, R. , Apadula, N. , Aphecetche, L. , Appelshäuser, H. , Arcelli, S. , Arnaldi, R. , Arratia, M. , Arsene, I.C. , Arslandok, M. , Augustinus, A. , Averbeck, R. , Aziz, S. , Azmi, M.D. , Badalà, A. , Baek, Y.W. , Bagnasco, S. , Bai, X. , Bailhache, R. , Bala, R. , Baldisseri, A. , Ball, M. , Balouza, S. , Baral, R.C. , Barbera, R. , Barioglio, L. , Barnaföldi, G.G. , Barnby, L.S. , Bar

Abstract ▼ AI-Helper

Abstract The elliptic flow ( v 2 ) of (anti-)3He is measured in Pb–Pb collisions at s NN = 5.02 TeV in the transverse-momentum ( p T ) range of 2–6 GeV/c for the centrality classes 0–20%, 20–40%, and 40–60% using the event-plane method. This measurement is compared to that of pions, kaons, and protons at the same center-of-mass energy. A clear mass ordering is observed at low p T , as expected from relativistic hydrodynamics. The violation of the scaling of v 2 with the number of constituent quarks at low p T , already observed for identified hadrons and deuterons at LHC energies, is confirmed also for (anti-)3He. The elliptic flow of (anti-)3He is underestimated by the Blast-Wave model and overestimated by a simple coalescence approach based on nucleon scaling. The elliptic flow of (anti-)3He measured in the centrality classes 0–20% and 20–40% is well described by a more sophisticated coalescence model where the phase-space distributions of protons and neutrons are generated using the iEBE-VISHNU hybrid model with AMPT initial conditions.

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