Prompt and non-prompt J/ψ production at midrapidity in Pb-Pb collisions at √sNN=5.02 TeV

被引：0

作者：

Acharya, S. ^{[142
]}

Adamova, D. ^{[98
]}

Rinella, G. Aglieri ^{[44
]}

Agnello, M. ^{[39
,40
]}

Agrawal, N. ^{[63
]}

Ahammed, Z. ^{[150
]}

Ahmad, S. ^{[18
]}

Ahn, S. U. ^{[83
]}

Ahuja, I. ^{[49
]}

Akindinov, A. ^{[156
]}

Al-Turany, M. ^{[112
]}

Aleksandrov, D. ^{[156
]}

Alessandro, B. ^{[68
]}

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

Alfaro Molina, R. ^{[79
]}

Ali, B. ^{[18
]}

Alici, A. ^{[31
,32
]}

Alizadehvandchali, N. ^{[131
]}

Alkin, A. ^{[44
]}

Alme, J. ^{[23
]}

Alocco, G. ^{[64
]}

Alt, T. ^{[76
]}

Altamura, A. R. ^{[62
]}

Altsybeev, I. ^{[108
]}

Alvarado, J. R. ^{[56
]}

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

Andrei, C. ^{[57
]}

Andreou, N. ^{[130
]}

Andronic, A. ^{[141
]}

Anguelov, V. ^{[107
]}

Antinori, F. ^{[66
]}

Antonioli, P. ^{[63
]}

Apadula, N. ^{[86
]}

Aphecetche, L. ^{[118
]}

Appelshaeuser, H. ^{[76
]}

Arata, C. ^{[85
]}

Arcelli, S. ^{[31
,32
]}

Aresti, M. ^{[25
,26
]}

Arnaldi, R. ^{[68
]}

Arneiro, J. G. M. C. A. ^{[125
]}

Arsene, I. C. ^{[22
]}

Arslandok, M. ^{[153
]}

Augustinus, A. ^{[44
]}

Averbeck, R. ^{[112
]}

Azmi, M. D. ^{[18
]}

Baba, H. ^{[139
]}

Badala, A. ^{[65
]}

Bae, J. ^{[119
]}

Baek, Y. W. ^{[52
]}

Bai, X. ^{[135
]}

机构：

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

[2] AGH Univ Krakow, Krakow, Poland

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

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

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

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

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

[8] Ctr Aplicaciones Tecnol & Desarrollo Nucl CEADEN, Havana, Cuba

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

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

[11] Chicago State Univ, Chicago, IL 60628 USA

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

[13] China Univ Geosci, Wuhan, Peoples R China

[14] Chungbuk Natl Univ, Cheongju, South Korea

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

[16] COMSATS Univ Islamabad, Islamabad, Pakistan

[17] Creighton Univ, Omaha, NE USA

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

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

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

[21] Univ Calif Berkeley, Dept Phys, Berkeley, CA USA

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

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

[24] Univ Pavia, Dipartimento Fis, Pavia, Italy

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

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

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

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

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

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

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

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

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

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

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

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

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

[38] Grp Coll INFN, Salerno, Italy

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

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

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

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

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

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

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

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

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

[48] Sofia Univ, Fac Phys, Sofia, Bulgaria

[49] Safarik Univ, Fac Sci, Kosice, Slovakia

[50] Goethe Univ Frankfurt, Frankfurt Inst Adv Studies, Frankfurt, Germany

来源：

JOURNAL OF HIGH ENERGY PHYSICS | 2024年 / 02期

基金：

美国能源部; 日本学术振兴会; 美国国家科学基金会; 英国科学技术设施理事会; 中国国家自然科学基金; 新加坡国家研究基金会; 瑞典研究理事会; 芬兰科学院; 奥地利科学基金会; 欧盟地平线“2020”; 欧洲研究理事会; 巴西圣保罗研究基金会;

关键词：

Heavy Ion Experiments; Heavy Quark Production; Quarkonium; QUARK-GLUON PLASMA; RADIATIVE ENERGY-LOSS; MONTE-CARLO; MATTER; ANNIHILATION; COALESCENCE; SPS;

D O I：

10.1007/JHEP02(2024)066

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

The transverse momentum (p(T)) and centrality dependence of the nuclear modification factor R-AA of prompt and non-prompt J/psi, the latter originating from the weak decays of beauty hadrons, have been measured by the ALICE collaboration in Pb-Pb collisions at root s(NN) = 5.02TeV. The measurements are carried out through the e(+)e(-) decay channel at midrapidity (vertical bar y vertical bar < 0.9) in the transverse momentum region 1.5 < p(T) < 10 GeV/c. Both prompt and non-prompt J/psi measurements indicate a significant suppression for p(T) > 5 GeV/c, which becomes stronger with increasing collision centrality. The results are consistent with similar LHC measurements in the overlapping pT intervals, and cover the kinematic region down to p(T) = 1.5 GeV/c at midrapidity, not accessible by other LHC experiments. The suppression of prompt J/psi in central and semicentral collisions exhibits a decreasing trend towards lower transverse momentum, described within uncertainties by models implementing J/psi production from recombination of c and (c) over bar quarks produced independently in different partonic scatterings. At high transverse momentum, transport models including quarkonium dissociation are able to describe the suppression for prompt J/psi. For non-prompt J/psi, the suppression predicted by models including both collisional and radiative processes for the computation of the beauty-quark energy loss inside the quark-gluon plasma is consistent with measurements within uncertainties.

引用

页数：40

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