Evidence for Nonlinear Gluon Effects in QCD and Their Mass Number Dependence at STAR

被引：14

作者：

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

Aboona, B. E. ^{[55
]}

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
]}

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 | 2022年 / 129卷 / 09期

基金：

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

关键词：

DEUTERON-GOLD COLLISIONS; AZIMUTHAL CORRELATIONS; SATURATION;

D O I：

10.1103/PhysRevLett.129.092501

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The STAR Collaboration reports measurements of back-to-back azimuthal correlations of di-pi(0)s produced at forward pseudorapidities (2.6 < eta < 4.0) in p + p, p + Al, and p + Au collisions at a center-of-mass energy of 200 GeV. We observe a clear suppression of the correlated yields of back-to-back pi(0) pairs in p + Al and p + Au collisions compared to the p + p data. The observed suppression of back-to-back pairs as a function of transverse momentum suggests nonlinear gluon dynamics arising at high parton densities. The larger suppression found in p + Au relative to p + Al collisions exhibits a dependence of the saturation scale Q(s)(2) on the mass number A. A linear scaling of the suppression with A(1/3) is observed with a slope of -0.09 +/- 0.01.

引用

页数：7

共 42 条

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