Article open access publication

Study of J/ψ azimuthal anisotropy at forward rapidity in Pb-Pb collisions at sNN=5.02 TeV

Journal of High Energy Physics, Springer Nature, ISSN 1126-6708

Volume 2019, 2, 2019

DOI:10.1007/jhep02(2019)012, Dimensions: pub.1111982410,

Authors

Adler, A. (4)
Ahn, S. U. (10)
Aiola, S. (11)
Ali, Y. (18)
Alici, A. (19) (20) (21)
Alkin, A. (22)
Alme, J. (23)
Alt, T. (4)
Andrei, C. (25)
Andronic, A. (13) (27)
Anson, C. (29)
Anwar, R. (32)
Baek, Y. W. (38) (39)
Bala, R. (40)
Ball, M. (42)
Barile, F. (44)
Barret, V. (47)
Barth, K. (7)
Bastid, N. (47)
Basu, S. (48)
Beck, H. (28)
Bedda, C. (52)
Beole, S. (8)
Berzano, D. (7) (8)
Betev, L. (7)
Bhasin, A. (40)
Bhatt, H. (9)
Bhom, J. (60)
Biro, G. (45)
Biswas, R. (64)
Biswas, S. (64)
Blau, D. (15)
Blume, C. (4)
Boca, G. (66)
Bock, F. (7)
Bonomi, G. (68)
Borel, H. (41)
Borissov, A. (27) (28)
Borri, M. (69)
Botta, E. (8)
Broz, M. (62)
Bruna, E. (8)
Bruno, G. E. (7) (72)
Buhler, P. (74)
Busch, O. (75)
Cabala, J. (78)
Caines, H. (11)
Caliva, A. (13)
Carnesecchi, F. (19) (21)
Chang, B. (83)
Chang, W. (16)
Cho, S. (39)
Chujo, T. (75)
Cicalo, C. (81)
Cifarelli, L. (19) (21)
Collu, A. (33)
Concas, M. (8) (89)
Costa, F. (7)
Cunqueiro, L. (27) (92)
Dahms, T. (63)
Damas, F. P. A. (34) (41)
Dani, S. (95)
Danu, A. (96)
Das, D. (84)
Das, I. (84)
Das, S. (64)
Dash, A. (43)
Dash, S. (9)
De, S. (97)
De Gruttola, D. (19) (98)
Deisting, A. (13) (28)
Deloff, A. (99)
Dietel, T. (88)
Ding, Y. (16)
Dordic, O. (35)
Dubla, A. (13)
Dudi, S. (6)
Elia, D. (44)
Engel, H. (4)
Epple, E. (11)
Erhardt, F. (100)
Eum, J. (87)
Evans, D. (26)
Faggin, M. (101)
Faivre, J. (90)
Fasel, M. (92)
Figiel, J. (60)
Finogeev, D. (102)
Flor, F. (32)
Foka, P. (13)
Fokin, S. (15)
Fuchs, U. (7)
Furget, C. (90)
Furs, A. (102)
Ganoti, P. (103)
Garg, K. (37)
Gasik, P. (63)
Ghosh, J. (84)
Ghosh, P. (1)
Giubellino, P. (8) (13)
Gotovac, S. (106)
Grelli, A. (52)
Grosa, F. (8)
Grosso, R. (13)
Gunji, T. (109)
Gupta, A. (40)
Gupta, R. (40)
Haake, R. (7) (11)
Hamagaki, H. (110)
Hamar, G. (45)
Hamid, M. (16)
Harton, A. (104)
Hassan, H. (90)
Hatzifotiadou, D. (19) (20)
Hayashi, S. (109)
Helstrup, H. (111)
Hills, C. (69)
Horak, D. (62)
Hosokawa, R. (75) (90)
Hota, J. (95)
Huang, C. (91)
Hughes, C. (58)
Huhn, P. (4)
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Ivanov, M. (13)
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Jahnke, C. (63) (70)
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Kisel, I. (4)
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Klein, C. (4)
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Kluge, A. (7)
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Koska, L. (78)
Králik, I. (114)
Kreis, L. (13)
Krivda, M. (26) (114)
Kučera, V. (3) (39)
Kuhn, C. (53)
Kumar, J. (9)
Kumar, L. (6)
Kumar, S. (9)
Kundu, S. (43)
Kurepin, A. (102)
Kvapil, J. (26)
Kwon, Y. (115)
Lai, Y. S. (33)
Langoy, R. (121)
Laudi, E. (7)
Lea, R. (80)
Lee, S. (115)
Lehas, F. (79)
Lehner, S. (74)
Lévai, P. (45)
Li, X. (122)
Li, X. L. (16)
Lien, J. (121)
Lim, B. (87)
Lindal, S. (35)
Liu, A. (33)
Loizides, C. (33) (92)
Loncar, P. (106)
Lopez, X. (47)
Lunardon, M. (101)
Lupi, M. (7)
Mager, M. (7)
Maire, A. (53)
Malaev, M. (57)
Malinina, L. (49) (123)
Manko, V. (15)
Manso, F. (47)
Mao, Y. (16)
Marchisone, M. (86) (124)
Mareš, J. (125)
Marín, A. (13)
Martin, N. A. (13) (28)
Masoni, A. (81)
Masson, E. (34)
Mastroserio, A. (44) (126)
Matyja, A. (58) (60)
Mayer, C. (60)
Meddi, F. (127)
Meres, M. (128)
Miake, Y. (75)
Mikhaylov, K. (12) (49)
Mitra, J. (1)
Moretto, S. (101)
Mudnic, E. (106)
Murakami, H. (109)
Murray, S. (76)
Musa, L. (7)
Musinsky, J. (114)
Naik, B. (9)
Nair, R. (99)
Nania, R. (19) (20)
Nappi, E. (44)
Nayak, K. (43)
Nayak, R. (9)
Nellen, L. (17)
Nesbo, S. V. (111)
Ng, F. (32)
Niedziela, J. (7) (107)
Noferini, F. (19) (20)
Nooren, G. (52)
Norman, J. (90)
Nyanin, A. (15)
Ogino, M. (110)
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Ohlson, A. (28)
Oleniacz, J. (107)
Orava, R. (71)
Oravec, M. (78)
Oyama, K. (110)
Pacik, V. (51)
Pagano, D. (68)
Paić, G. (17)
Palni, P. (16)
Pan, J. (48)
Papikyan, V. (108)
Pareek, P. (97)
Park, J. (39)
Paul, B. (8)
Pei, H. (16)
Peng, X. (16)
Pestov, Y. (129)
Petta, C. (37)
Pezzi, R. P. (105)
Piano, S. (80)
Pikna, M. (128)
Pillot, P. (34)
Pinazza, O. (7) (20)
Pinsky, L. (32)
Pisano, S. (61)
Planinic, M. (100)
Pluta, J. (107)
Poljak, N. (100)
Pop, A. (25)
Prino, F. (8)
Punin, V. (73)
Raha, S. (64)
Rajput, S. (40)
Rak, J. (83)
Rami, F. (53)
Raniwala, R. (130)
Raniwala, S. (130)
Rath, R. (97)
Ratza, V. (42)
Read, K. F. (58) (92)
Redlich, K. (99) (131)
Rehman, A. (23)
Reidt, F. (7)
Ren, X. (16)
Reshetin, A. (102)
Riabov, V. (57)
Richert, T. (5) (51) (52)
Riggi, F. (37)
Ristea, C. (96)
Røed, K. (35)
Rohr, D. (7)
Roslon, K. (107)
Rosnet, P. (47)
Rossi, A. (31) (101)
Roy, C. (53)
Roy, P. (84)
Rui, R. (80)
Rustamov, A. (132)
Ryabov, Y. (57)
Sadhu, S. (1)
Sahoo, B. (9)
Sahoo, P. (97)
Sahoo, R. (97)
Sahoo, S. (95)
Saini, J. (1)
Sakai, S. (75)
Samsonov, V. (56) (57)
Sarkar, A. (76)
Sarma, P. (59)
Schmidt, M. (133)
Schmidt, N. V. (4) (92)
Schutz, Y. (7) (53)
Scioli, G. (21)
Sekihata, D. (134)
Selyuzhenkov, I. (13) (56)
Sett, P. (9)
Shabanov, A. (102)
Shaikh, W. (84)
Sharma, A. (40)
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Simonetti, G. (7) (63)
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Affiliations

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  1. (1) Variable Energy Cyclotron Centre, grid.482273.8
  2. (2) University of California, Berkeley, grid.47840.3f
  3. (3) Nuclear Physics Institute of the Czech Academy of Sciences, Řež u Prahy, Czech Republic
  4. (4) Goethe University Frankfurt, grid.7839.5
  5. (5) Lund University, grid.4514.4
  6. (6) Panjab University, grid.261674.0
  7. (7) European Organization for Nuclear Research, grid.9132.9
  8. (8) INFN Sezione di Torino, grid.470222.1
  9. (9) Indian Institute of Technology Bombay, grid.417971.d
  10. (10) Korea Institute of Science & Technology Information, grid.249964.4
  11. (11) Yale University, grid.47100.32
  12. (12) Institute for Theoretical and Experimental Physics, grid.21626.31
  13. (13) GSI Helmholtz Centre for Heavy Ion Research, grid.159791.2
  14. (14) State University of Campinas, grid.411087.b
  15. (15) Kurchatov Institute, grid.18919.38
  16. (16) Central China Normal University, grid.411407.7
  17. (17) National Autonomous University of Mexico, grid.9486.3
  18. (18) COMSATS University Islamabad, grid.418920.6
  19. (19) Enrico Fermi Center for Study and Research, grid.449962.4
  20. (20) INFN Sezione di Bologna, grid.470193.8
  21. (21) Dipartimento di Fisica e Astronomia dell'Università and Sezione INFN, Bologna, Italy
  22. (22) Bogolyubov Institute for Theoretical Physics, grid.418413.b
  23. (23) University of Bergen, grid.7914.b
  24. (24) Saint Petersburg State University, grid.15447.33
  25. (25) Horia Hulubei National Institute for R and D in Physics and Nuclear Engineering, grid.443874.8
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  27. (27) University of Münster, grid.5949.1
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  33. (33) Lawrence Berkeley National Laboratory, grid.184769.5
  34. (34) Laboratoire de Physique Subatomique et des Technologies Associées, grid.463940.c
  35. (35) University of Oslo, grid.5510.1
  36. (36) Aligarh Muslim University, grid.411340.3
  37. (37) INFN Sezione di Catania, grid.470198.3
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  41. (41) Institut de Recherche sur les Lois Fondamentales de l'Univers, grid.457342.3
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  43. (43) National Institute of Science Education and Research, grid.419643.d
  44. (44) INFN Sezione di Bari, grid.470190.b
  45. (45) Institute for Particle and Nuclear Physics, grid.481809.c
  46. (46) Daresbury Laboratory, grid.482271.a
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  48. (48) Wayne State University, grid.254444.7
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  57. (57) Petersburg Nuclear Physics Institute, grid.430219.d
  58. (58) University of Tennessee at Knoxville, grid.411461.7
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  60. (60) Institute of Nuclear Physics Polish Academy of Sciences, grid.418860.3
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  63. (63) Technical University of Munich, grid.6936.a
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  71. (71) Helsinki Institute of Physics, grid.470106.4
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  80. (80) INFN Sezione di Trieste, grid.470223.0
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  97. (97) Indian Institute of Technology Indore, grid.450280.b
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  100. (100) University of Zagreb, grid.4808.4
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  106. (106) University of Split, grid.38603.3e
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  108. (108) Alikhanyan National Laboratory, grid.48507.3e
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  122. (122) China Institute of Atomic Energy, grid.410655.3
  123. (123) Lomonosov Moscow State University, grid.14476.30
  124. (124) University of the Witwatersrand, grid.11951.3d
  125. (125) Institute of Physics, grid.424881.3
  126. (126) University of Foggia, grid.10796.39
  127. (127) National Institute for Nuclear Physics, grid.6045.7
  128. (128) Comenius University, grid.7634.6
  129. (129) Budker Institute of Nuclear Physics, grid.418495.5
  130. (130) University of Rajasthan, grid.412746.2
  131. (131) University of Wrocław, grid.8505.8
  132. (132) National Nuclear Research Center, Baku, Azerbaijan
  133. (133) University of Tübingen, grid.10392.39
  134. (134) Hiroshima University, grid.257022.0
  135. (135) Nara Women's University, grid.174568.9
  136. (136) Shanghai Institute of Applied Physics, grid.450275.1
  137. (137) Indonesian Institute of Sciences, grid.249566.a
  138. (138) Centre de Calcul de l'IN2P3, Villeurbanne, Lyon, France

Description

The second (v2) and third (v3) flow harmonic coefficients of J/ψ mesons are measured at forward rapidity (2.5 < y < 4.0) in Pb-Pb collisions at sNN=5.02 TeV with the ALICE detector at the LHC. Results are obtained with the scalar product method and reported as a function of transverse momentum, pT, for various collision centralities. A positive value of J/ψ v3 is observed with 3.7σ significance. The measurements, compared to those of prompt D0 mesons and charged particles at mid-rapidity, indicate an ordering with vn(J/ψ) < vn(D0) < vn(h±) (n = 2, 3) at low and intermediate pT up to 6 GeV/c and a convergence with v2(J/ψ) ≈ v2(D0) ≈ v2(h±) at high pT above 6–8 GeV/c. In semi-central collisions (5–40% and 10–50% centrality intervals) at intermediate pT between 2 and 6 GeV/c, the ratio v3/v2 of J/ψ mesons is found to be significantly lower (4.6σ) with respect to that of charged particles. In addition, the comparison to the prompt D0-meson ratio in the same pT interval suggests an ordering similar to that of the v2 and v3 coefficients. The J/ψ v2 coefficient is further studied using the Event Shape Engineering technique. The obtained results are found to be compatible with the expected variations of the eccentricity of the initial-state geometry.

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