Transverse-momentum and event-shape dependence of D-meson flow harmonics in Pb-Pb collisions at √SNN=5 . 02 TeV

被引：41

作者：

Acharya, S. ^{[155
]}

Adamova, D. ^{[108
]}

Adler, A. ^{[87
]}

Adolfsson, J. ^{[94
]}

Aggarwal, M. M. ^{[113
]}

Rinella, G. Aglieri ^{[47
]}

Agnello, M. ^{[32
,41
]}

Agrawal, N. ^{[12
,13
,67
]}

Ahammed, Z. ^{[155
]}

Ahmad, S. ^{[19
]}

Ahn, S. U. ^{[89
]}

Akbar, Z. ^{[64
]}

Akindinov, A. ^{[105
]}

Al-Turany, M. ^{[120
,121
]}

Alam, S. N. ^{[53
,155
]}

Albuquerque, D. S. D. ^{[136
]}

Aleksandrov, D. ^{[101
]}

Alessandro, B. ^{[72
]}

Alfanda, H. M. ^{[7
]}

Molina, R. Alfaro ^{[84
]}

Ali, B. ^{[19
]}

Ali, Y. ^{[17
]}

Alici, A. ^{[12
,13
,33
,34
,67
]}

Alizadehvandchali, N. ^{[139
]}

Alkin, A. ^{[2
,47
]}

Alme, J. ^{[24
]}

Alt, T. ^{[81
]}

Altenkamper, L. ^{[24
]}

Altsybeev, I ^{[127
]}

Anaam, M. N. ^{[7
]}

Andrei, C. ^{[61
]}

Andreou, D. ^{[47
]}

Andronic, A. ^{[158
]}

Angeletti, M. ^{[47
]}

Anguelov, V ^{[117
]}

Anson, C. ^{[18
]}

Anticic, T. ^{[122
]}

Antinori, F. ^{[70
]}

Antonioli, P. ^{[67
]}

Apadula, N. ^{[93
]}

Aphecetche, L. ^{[129
]}

Appelshaeuser, H. ^{[81
]}

Arcelli, S. ^{[33
,34
]}

Arnaldi, R. ^{[72
]}

Arratia, M. ^{[93
]}

Arsene, I. C. ^{[23
]}

Arslandok, M. ^{[117
]}

Augustinus, A. ^{[47
]}

Averbeck, R. ^{[120
,121
]}

Aziz, S. ^{[91
]}

机构：

[1] Yerevan Phys Inst, AI Alikhanyan Natl Sci Lab, Yerevan, Armenia

[2] Natl Acad Sci Ukraine, Bogolyubov Inst Theoret Phys, Kiev, Ukraine

[3] Bose Inst, Dept Phys, Kolkata, India

[4] Ctr Astroparticle Phys & Space Sci CAPSS, Kolkata, India

[5] Budker Inst Nucl Phys, Novosibirsk, Russia

[6] Calif Polytech State Univ San Luis Obispo, San Luis Obispo, CA 93407 USA

[7] Cent China Normal Univ, Wuhan, Peoples R China

[8] IN2P3, Ctr Calcul, Lyon, France

[9] Ctr Aplicac Tecnol & Desarrollo Nucl CEADEN, Havana, Cuba

[10] CINVESTAV, Ctr Invest & Estudios Avanzados, Mexico City, DF, Mexico

[11] CINVESTAV, Ctr Invest & Estudios Avanzados, Merida, Mexico

[12] Museo Stor Fis, Ctr Fermi, Rome, Italy

[13] Ctr Studi & Ric Enrico Fermi, Rome, Italy

[14] Chicago State Univ, Chicago, IL USA

[15] China Inst Atom Energy, Beijing, Peoples R China

[16] Comenius Univ, Fac Math Phys & Informat, Bratislava, Slovakia

[17] COMSATS Univ Islamabad, Islamabad, Pakistan

[18] Creighton Univ, Omaha, NE 68178 USA

[19] Aligarh Muslim Univ, Dept Phys, Aligarh, Uttar Pradesh, India

[20] Pusan Natl Univ, Dept Phys, Pusan, South Korea

[21] Sejong Univ, Dept Phys, Seoul, South Korea

[22] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

[23] Univ Oslo, Dept Phys, Oslo, Norway

[24] Univ Bergen, Dept Phys & Technol, Bergen, Norway

[25] Univ Roma La Sapienza, Dipartimento Fis, Rome, Italy

[26] Sezione Ist Nazl Fis Nucl, Rome, Italy

[27] Univ Cagliari, Dipartimento Fis, Cagliari, Italy

[28] Sezione Ist Nazl Fis Nucl, Cagliari, Italy

[29] Univ Trieste, Dipartimento Fis, Trieste, Italy

[30] Sezione Ist Nazl Fis Nucl, Trieste, Italy

[31] Univ Turin, Dipartimento Fis, Turin, Italy

[32] Sezione Ist Nazl Fis Nucl, Turin, Italy

[33] Univ Bologna, Dipartimento Fis & Astron, Bologna, Italy

[34] Sezione Ist Nazl Fis Nucl, Bologna, Italy

[35] Univ Catania, Dipartimento Fis & Astron, Catania, Italy

[36] Sezione Ist Nazl Fis Nucl, Catania, Italy

[37] Univ Padua, Dipartimento Fis & Astron, Padua, Italy

[38] Sezione Ist Nazl Fis Nucl, Padua, Italy

[39] Univ Salerno, Dipartimento Fis ER Caianiello, Salerno, Italy

[40] Grp Collegato INFN, Salerno, Italy

[41] Politecn Torino, Dipartimento DISAT, Turin, Italy

[42] Univ Piemonte Orientale, Dipartimento Sci & Innovaz Tecnol, Alessandria, Italy

[43] Ist Nazl Fis Nucl, Sez Torino, Alessandria, Italy

[44] Univ Messina, Dipartimento Sci MIFT, Messina, Italy

[45] Dipartimento Interateneo Fis M Merlin, Bari, Italy

[46] Sezione Ist Nazl Fis Nucl, Bari, Italy

[47] CERN, European Org Nucl Res, Geneva, Switzerland

[48] Univ Split, Fac Elect Engn Mech Engn & Naval Architecture, Split, Croatia

[49] Western Norway Univ Appl Sci, Fac Engn & Sci, Bergen, Norway

[50] Czech Tech Univ, Fac Nucl Sci & Phys Engn, Prague, Czech Republic

来源：

PHYSICS LETTERS B | 2021年 / 813卷

基金：

新加坡国家研究基金会; 美国能源部; 奥地利科学基金会; 俄罗斯基础研究基金会; 瑞典研究理事会; 巴西圣保罗研究基金会; 美国国家科学基金会; 俄罗斯科学基金会; 英国科学技术设施理事会; 中国国家自然科学基金; 日本学术振兴会;

关键词：

RELATIVISTIC NUCLEAR COLLISIONS; HEAVY-FLAVOR; QUARK COALESCENCE; ENERGY-LOSS; ANISOTROPY;

D O I：

10.1016/j.physletb.2020.136054

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

The elliptic and triangular flow coefficients v(2) and v(3) of prompt D-0 , D+ , and D*(+) mesons were measured at midrapidity (|y| < 0.8) in Pb-Pb collisions at the centre-of-mass energy per nucleon pair of root(S)(NN) = 5.02 TeV with the ALICE detector at the LHC. The D mesons were reconstructed via their hadronic decays in the transverse momentum interval 1 < p(T) < 36 GeV/c in central (0-10%) and semi-central (30-50%) collisions. Compared to pions, protons, and J/psi mesons, the average D-meson v(n) harmonics are compatible within uncertainties with a mass hierarchy for p(T) less than or similar to 3 GeV/c , and are similar to those of charged pions for higher p(T). The coupling of the charm quark to the light quarks in the underlying medium is further investigated with the application of the event-shape engineering (ESE) technique to the D-meson v(2) and p(T)-differential yields. The D-meson v(2) is correlated with average bulk elliptic flow in both central and semi-central collisions. Within the current precision, the ratios of per-event D meson yields in the ESE-selected and unbiased samples are found to be compatible with unity. All the measurements are found to be reasonably well described by theoretical calculations including the effects of charm-quark transport and the recombination of charm quarks with light quarks in a hydrodynamically expanding medium. (C) 2020 The Author(s). Published by Elsevier B.V.

引用

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