Measurement of the Sixth-Order Cumulant of Net-Proton Multiplicity Distributions in Au plus Au Collisions at √SNN=27, 54.4, and 200 GeV at RHIC

被引：32

作者：

Abdallah, M. S. ^{[5
]}

Adam, J. ^{[6
]}

Adamczyk, L. ^{[2
]}

Adams, J. R. ^{[39
]}

Adkins, J. K. ^{[30
]}

Agakishiev, G. ^{[28
]}

Aggarwal, I ^{[41
]}

Aggarwal, M. M. ^{[41
]}

Ahammed, Z. ^{[60
]}

Alekseev, I ^{[3
,35
]}

Anderson, D. M. ^{[55
]}

Aparin, A. ^{[28
]}

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

Ashraf, M. U. ^{[11
]}

Atetalla, F. G. ^{[29
]}

Attri, A. ^{[41
]}

Averichev, G. S. ^{[28
]}

Bairathi, V ^{[53
]}

Baker, W. ^{[10
]}

Cap, J. G. Ball ^{[20
]}

Barish, K. ^{[10
]}

Behera, A. ^{[52
]}

Bellwied, R. ^{[20
]}

Bhagat, P. ^{[27
]}

Bhasin, A. ^{[27
]}

Bielcik, J. ^{[14
]}

Bielcikova, J. ^{[38
]}

Bordyuzhin, I. G. ^{[3
]}

Brandenburg, J. D. ^{[6
]}

Brandin, A., V ^{[35
]}

Bunzarov, I ^{[28
]}

Butterworth, J. ^{[45
]}

Cai, X. Z. ^{[50
]}

Caines, H. ^{[63
]}

Sanchez, M. Calderon de la Barca ^{[8
]}

Cebra, D. ^{[8
]}

Chakaberia, I ^{[6
,31
]}

Chaloupka, P. ^{[14
]}

Chan, B. K. ^{[9
]}

Chang, F-H ^{[37
]}

Chang, Z. ^{[6
]}

Chankova-Bunzarova, N. ^{[28
]}

Chatterjee, A. ^{[11
]}

Chattopadhyay, S. ^{[60
]}

Chen, D. ^{[10
]}

Chen, J. ^{[49
]}

Chen, J. H. ^{[18
]}

Chen, X. ^{[48
]}

Chen, Z. ^{[49
]}

Cheng, J. ^{[57
]}

机构：

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

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

[3] NRC Kurchatov Inst, Alikhanov Inst Theoret & Expt Phys, Moscow 117218, Russia

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

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

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

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

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

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

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

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

[12] Univ Illinois, Chicago, IL 60607 USA

[13] Creighton Univ, Omaha, NE 68178 USA

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

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

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

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

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

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

[20] Univ Houston, Houston, TX 77204 USA

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

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

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

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

[25] Indiana Univ, Bloomington, IN 47408 USA

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

[27] Univ Jammu, Jammu 180001, Jammu & Kashmir, India

[28] Joint Inst Nucl Res, Dubna 141980, Russia

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

[30] Univ Kentucky, Lexington, KY 40506 USA

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

[32] Lehigh Univ, Bethlehem, PA 18015 USA

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

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

[35] Natl Res Nucl Univ MEPhI, Moscow 115409, Russia

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

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

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

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

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

[41] Panjab Univ, Chandigarh 160014, India

[42] Penn State Univ, University Pk, PA 16802 USA

[43] NRC Kurchatov Inst, Inst High Energy Phys, Protvino 142281, Russia

[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] Shandong Univ, Qingdao 266237, Shandong, Peoples R China

[50] Chinese Acad Sci, Shanghai Inst Appl Phys, Shanghai 201800, Peoples R China

来源：

PHYSICAL REVIEW LETTERS | 2021年 / 127卷 / 26期

基金：

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

关键词：

ORDER;

D O I：

10.1103/PhysRevLett.127.262301

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

According to first-principle lattice QCD calculations, the transition from quark-gluon plasma to hadronic matter is a smooth crossover in the region mu(B) <= T-c. In this range the ratio, C-6/C-2, of net-baryon distributions are predicted to be negative. In this Letter, we report the first measurement of the midrapidity net-proton C-6/C-2 from 27, 54.4, and 200 GeV Au + Au collisions at the Relativistic Heavy Ion Collider (RHIC). The dependence on collision centrality and kinematic acceptance in (p(T) , y) are analyzed. While for 27 and 54.4 GeV collisions the C-6/C-2 values are close to zero within uncertainties, it is observed that for 200 GeV collisions, the C-6/C-2 ratio becomes progressively negative from peripheral to central collisions. Transport model calculations without critical dynamics predict mostly positive values except for the most central collisions within uncertainties. These observations seem to favor a smooth crossover in the high-energy nuclear collisions at top RHIC energy.

引用

页数：7

共 45 条

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