Production of protons and light nuclei in Au plus Au collisions at √sNN=3 GeV with the STAR detector

被引：1

作者：

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

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

Adam, J. ^{[17
]}

Adamczyk, L. ^{[2
]}

Adams, J. R. ^{[42
]}

Aggarwal, I. ^{[44
]}

Aggarwal, M. M. ^{[44
]}

Ahammed, Z. ^{[64
]}

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

Aslam, S. ^{[29
]}

Atchison, J. ^{[1
]}

Bairathi, V. ^{[55
]}

Cap, J. G. Ball ^{[25
]}

Barish, K. ^{[12
]}

Bellwied, R. ^{[25
]}

Bhagat, P. ^{[32
]}

Bhasin, A. ^{[32
]}

Bhatta, S. ^{[54
]}

Bhosale, S. R. ^{[20
]}

Bielcik, J. ^{[17
]}

Bielcikova, J. ^{[41
]}

Brandenburg, J. D. ^{[42
]}

Broodo, C. ^{[25
]}

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

Caines, H.

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

Cebra, D. ^{[10
]}

Ceska, J. ^{[17
]}

Chakaberia, I. ^{[35
]}

Chaloupka, P. ^{[17
]}

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

Chang, Z. ^{[30
]}

Chatterjee, A. ^{[19
]}

Chen, D. ^{[12
]}

Chen, J. ^{[51
]}

Chen, J. H. ^{[22
]}

Chen, Q. ^{[23
]}

Chen, Z. ^{[51
]}

Cheng, J. ^{[59
]}

Cheng, Y. ^{[11
]}

Christie, W. ^{[6
]}

Chu, X. ^{[6
]}

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

Csanad, M. ^{[20
]}

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

Das, A. ^{[17
]}

Deppner, I. M. ^{[24
]}

Deshpande, A. ^{[54
]}

Dhamija, A. ^{[44
]}

Dixit, P. ^{[27
]}

机构：

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

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

[3] Argonne Natl Lab, 9700 S Cass Ave, 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] Chongqing Univ, Chongqing 401331, Peoples R China

[16] Creighton Univ, Omaha, NE 68178 USA

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

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

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

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

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

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

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

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

[25] Univ Houston, Houston, TX 77204 USA

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

[27] Indian Inst Sci Educ & Res IISER, Berhampur 760010, India

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

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

[30] Indiana Univ, Bloomington, IN 47408 USA

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

[32] Univ Jammu, Jammu 180001, India

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

[34] Univ Kentucky, Lexington, KY 40506 USA

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

[36] Lehigh Univ, Bethlehem, PA 18015 USA

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

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

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

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

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

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

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

[44] Panjab Univ, Chandigarh 160014, India

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

[46] Rice Univ, Houston, TX 77251 USA

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

[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：

PHYSICAL REVIEW C | 2024年 / 110卷 / 05期

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; QCD; FLUCTUATIONS; COALESCENCE; PERSPECTIVE; TRANSITION; DEUTERONS; HADRONS; SEARCH; MATTER;

D O I：

10.1103/PhysRevC.110.054911

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：

We report the systematic measurement of protons and light nuclei production in Au+Au collisions at root s(NN) = 3 GeV by the STAR experiment at the Relativistic Heavy Ion Collider (RHIC). The transverse momentum (p(T)) spectra of protons (p), deuterons (d), tritons (t), He-3, and He-4 have been measured from midrapidity to target rapidity for different collision centralities. We present the rapidity and centrality dependence of particle yields (dN/dy), average transverse momentum (< p(T)>), yield ratios (d/p, t/p, He-3/p, He-4/p), as well as the coalescence parameters (B-2, B-3). The 4 pi yields for various particles are determined by utilizing the measured rapidity distributions, dN/dy. Furthermore, we present the energy, centrality, and rapidity dependence of the compound yield ratios (N-p x N-t/N-d(2)) and compare them with various model calculations. The physics implications of these results on the production mechanism of light nuclei and the QCD phase structure are discussed.

引用

页数：19

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