Collision-energy dependence of deuteron cumulants and proton-deuteron correlations in Au plus Au collisions at RHIC

被引：0

作者：

Abdulhamid, M. I. ^{[4
]}

Aboona, B. E. ^{[57
]}

Adam, J. ^{[16
]}

Adamczyk, L. ^{[2
]}

Adams, J. R. ^{[41
]}

Aggarwal, I. ^{[43
]}

Aggarwal, M. M. ^{[43
]}

Ahammed, Z. ^{[64
]}

Aschenauer, E. C. ^{[6
]}

Aslam, S. ^{[28
]}

Atchison, J. ^{[1
]}

Bairathi, V. ^{[55
]}

Cap, J. G. Ball ^{[24
]}

Barish, K. ^{[12
]}

Bellwied, R. ^{[24
]}

Bhagat, P. ^{[31
]}

Bhasin, A. ^{[31
]}

Bhatta, S. ^{[54
]}

Bhosale, S. R. ^{[19
]}

Bielcik, J. ^{[16
]}

Bielcikova, J. ^{[40
]}

Brandenburg, J. D. ^{[41
]}

Broodo, C. ^{[24
]}

Cai, X. Z. ^{[52
]}

Caines, H. ^{[68
]}

Sanchez, M. Calderon de la Barca ^{[10
]}

Cebra, D. ^{[10
]}

Ceska, J. ^{[16
]}

Chakaberia, I. ^{[34
]}

Chaloupka, P. ^{[16
]}

Chan, B. K. ^{[11
]}

Chang, Z. ^{[29
]}

Chatterjee, A. ^{[18
]}

Chen, D. ^{[12
]}

Chen, J. ^{[51
]}

Chen, J. H. ^{[21
]}

Chen, Z. ^{[51
]}

Cheng, J. ^{[59
]}

Cheng, Y. ^{[11
]}

Choudhury, S. ^{[21
]}

Christie, W. ^{[6
]}

Chu, X. ^{[6
]}

Crawford, H. J. ^{[9
]}

Csanad, M. ^{[19
]}

Dale-Gau, G. ^{[14
]}

Das, A. ^{[16
]}

Deppner, I. M. ^{[23
]}

Dhamija, A. ^{[43
]}

Dixit, P. ^{[26
]}

Dong, X. ^{[34
]}

机构：

[1] Abilene Christian Univ, Abilene, TX 79699 USA

[2] AGH Univ Krakow, FPACS, PL-30059 Krakow, Poland

[3] Argonne Natl Lab, Argonne, IL 60439 USA

[4] Amer Univ Cairo, New Cairo 11835, Egypt

[5] Ball State Univ, Muncie, IN 47306 USA

[6] Brookhaven Natl Lab, Upton, NY 11973 USA

[7] Univ Calabria, I-87036 Arcavacata Di Rende, Italy

[8] INFN Cosenza, I-87036 Arcavacata Di Rende, Italy

[9] Univ Calif Berkeley, Berkeley, CA 94720 USA

[10] Univ Calif Davis, Davis, CA 95616 USA

[11] Univ Calif Los Angeles, Los Angeles, CA 90095 USA

[12] Univ Calif Riverside, Riverside, CA 92521 USA

[13] Cent China Normal Univ, Wuhan 430079, Hubei, Peoples R China

[14] Univ Illinois, Chicago, IL 60607 USA

[15] Creighton Univ, Omaha, NE 68178 USA

[16] Czech Tech Univ, FNSPE, Prague 11519, Czech Republic

[17] Tech Univ Darmstadt, D-64289 Darmstadt, Germany

[18] Natl Inst Technol Durgapur, Durgapur 713209, India

[19] Eotvos Lorand Univ, H-1117 Budapest, Hungary

[20] Frankfurt Inst Adv Studies FIAS, D-60438 Frankfurt, Germany

[21] Fudan Univ, Shanghai 200433, Peoples R China

[22] Guangxi Normal Univ, Guilin 541004, Peoples R China

[23] Heidelberg Univ, D-69120 Heidelberg, Germany

[24] Univ Houston, Houston, TX 77204 USA

[25] Huzhou Univ, Huzhou 313000, Zhejiang, Peoples R China

[26] IISER, Berhampur 760010, India

[27] Indian Inst Sci Educ & Res IISER Tirupati, Tirupati 517507, Andhra Pradesh, India

[28] Indian Inst Technol, Patna 801106, Bihar, India

[29] Indiana Univ, Bloomington, IN 47408 USA

[30] Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Gansu, Peoples R China

[31] Univ Jammu, Jammu 180001, India

[32] Kent State Univ, Kent, OH 44242 USA

[33] Univ Kentucky, Lexington, KY 40506 USA

[34] Lawrence Berkeley Natl Lab, Berkeley, CA 94720 USA

[35] Lehigh Univ, Bethlehem, PA 18015 USA

[36] Max Planck Inst Phys & Astrophys, D-80805 Munich, Germany

[37] Michigan State Univ, E Lansing, MI 48824 USA

[38] Natl Inst Sci Educ & Res, HBNI, Jatni 752050, India

[39] Natl Cheng Kung Univ, Tainan 70101, Taiwan

[40] CAS, Inst Nucl Phys, Rez 25068, Czech Republic

[41] Ohio State Univ, Columbus, OH 43210 USA

[42] Inst Nucl Phys PAN, PL-31342 Krakow, Poland

[43] Panjab Univ, Chandigarh 160014, India

[44] Purdue Univ, W Lafayette, IN 47907 USA

[45] Rice Univ, Houston, TX 77251 USA

[46] Rutgers State Univ, Piscataway, NJ 08854 USA

[47] Univ Sao Paulo, BR-05314970 Sao Paulo, Brazil

[48] Univ Sci & Technol China, Hefei 230026, Anhui, Peoples R China

[49] South China Normal Univ, Guangzhou 510631, Guangdong, Peoples R China

[50] Sejong Univ, Seoul 05006, South Korea

来源：

PHYSICS LETTERS B | 2024年 / 855卷

基金：

中国国家自然科学基金; 日本学术振兴会; 新加坡国家研究基金会; 美国国家科学基金会;

关键词：

Heavy-ion collisions; Deuteron production; Coalescence; Thermal model; Higher moments; Critical point; FREEZE-OUT CONDITIONS; HEAVY-ION COLLISIONS; LIGHT-NUCLEI; NET-PROTON; FLUCTUATIONS; COALESCENCE; PERSPECTIVE; FLOW; QCD;

D O I：

10.1016/j.physletb.2024.138560

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We report the first measurements of cumulants, up to 4th order, of deuteron number distributions and proton-deuteron correlations in Au+Au collisions recorded by the STAR experiment in phase-I of Beam Energy Scan (BES) program at the Relativistic Heavy Ion Collider. Deuteron cumulants, their ratios, and proton-deuteron mixed cumulants are presented for different collision centralities covering a range of center-of-mass energy per nucleon pair root s(NN) = 7.7 to 200 GeV. It is found that the cumulant ratios at lower collision energies favor a canonical ensemble over a grand canonical ensemble in thermal models. An anti-correlation between proton and deuteron multiplicity is observed across all collision energies and centralities, consistent with the expectation from global baryon number conservation. The UrQMD model coupled with a phase-space coalescence mechanism qualitatively reproduces the collision-energy dependence of cumulant ratios and proton-deuteron correlations.

引用

页数：8

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