Light (anti)nuclei production in Pb-Pb collisions at √sNN=5.02 TeV

被引：16

作者：

Acharya, S. ^{[155
]}

Adamova, D. ^{[107
]}

Adler, A. ^{[87
]}

Adolfsson, J. ^{[93
]}

Aggarwal, M. M. ^{[112
]}

Rinella, G. Aglieri ^{[46
]}

Agnello, M. ^{[40
,41
]}

Agrawal, N. ^{[12
,66
]}

Ahammed, Z. ^{[155
]}

Ahmad, S. ^{[18
]}

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

Akindinov, A. ^{[104
]}

Al-Turany, M. ^{[119
,120
]}

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

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

Aleksandrov, D. ^{[100
]}

Alessandro, B. ^{[71
]}

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

Alfaro Molina, R. ^{[84
]}

Ali, B. ^{[18
]}

Ali, Y. ^{[16
]}

Alici, A. ^{[12
,32
,33
,66
]}

Alkin, A. ^{[2
]}

Alme, J. ^{[23
]}

Alt, T. ^{[81
]}

Altenkamper, L. ^{[23
]}

Altsybeev, I. ^{[126
]}

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

Andrei, C. ^{[60
]}

Andreou, D. ^{[46
]}

Andrews, H. A. ^{[124
]}

Andronic, A. ^{[158
]}

Angeletti, M. ^{[46
]}

Anguelov, V. ^{[116
]}

Anson, C. ^{[17
]}

Anticic, T. ^{[121
]}

Antinori, F. ^{[69
]}

Antonioli, P. ^{[66
]}

Anwar, R. ^{[139
]}

Apadula, N. ^{[92
]}

Aphecetche, L. ^{[128
]}

Appelshaeuser, H. ^{[81
]}

Arcelli, S. ^{[32
,33
]}

Arnaldi, R. ^{[71
]}

Arratia, M. ^{[92
]}

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

Arslandok, M. ^{[116
]}

Augustinus, A. ^{[46
]}

Averbeck, R. ^{[119
,120
]}

Aziz, S. ^{[74
]}

机构：

[1] AI AlikhanyanNat Sci Lab Yerevan Phys Inst Fdn, 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, Villeurbanne, France

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

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

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

[12] Ctr Fermi Museo Storico Fis & Ctr Studi & Ricerch, Rome, Italy

[13] Chicago State Univ, Chicago, IL USA

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

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

[16] COMSATS Univ Islamabad, Islamabad, Pakistan

[17] Creighton Univ, Omaha, NE 68178 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 94720 USA

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

[39] Grp Collegato INFN, Salerno, Italy

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

[41] Sezi INFN, Turin, Italy

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

[43] INFN, Sez Torino, Alessandria, Italy

[44] Dipartimento Interateneo & Fis M Merlin, Bari, Italy

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

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

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

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

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

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

来源：

PHYSICAL REVIEW C | 2023年 / 107卷 / 06期

基金：

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

关键词：

NUCLEI PRODUCTION; CROSS-SECTIONS; DEUTERON PRODUCTION; PP COLLISIONS; (ANTI-)DEUTERON PRODUCTION; MULTIPLICITY DEPENDENCE; PARTICLE-PRODUCTION; COALESCENCE; PROTON; ANTINUCLEI;

D O I：

10.1103/PhysRevC.107.064904

中图分类号：

O57 [原子核物理学、高能物理学];

学科分类号：

070202 ;

摘要：

The measurement of the production of deuterons, tritons and 3He and their antiparticles in Pb-Pb collisions at & RADIC;sNN = 5.02 TeV is presented in this article. The measurements are carried out at midrapidity (|y| < 0.5) as a function of collision centrality using the ALICE detector. The pT-integrated yields, the coalescence parameters and the ratios to protons and antiprotons are reported and compared with nucleosynthesis models. The comparison of these results in different collision systems at different center-of-mass collision energies reveals a suppression of nucleus production in small systems. In the Statistical Hadronisation Model framework, this can be explained by a small correlation volume where the baryon number is conserved, as already shown in previous fluctuation analyses. However, a different size of the correlation volume is required to describe the proton yields in the same data sets. The coalescence model can describe this suppression by the fact that the wave functions of the nuclei are large and the fireball size starts to become comparable and even much smaller than the actual nucleus at low multiplicities.

引用

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