Measurement of the azimuthal anisotropy of charged-particle production in Xe plus Xe collisions at √SNN=5.44 TeV with the ATLAS detector

被引：72

作者：

Aad, G. ^{[158
]}

Abbott, B. ^{[189
]}

Abbott, D. C. ^{[159
]}

Abud, A. Abed ^{[60
]}

Abeling, K. ^{[81
]}

Abhayasinghe, D. K. ^{[149
]}

Abidi, S. H. ^{[239
]}

AbouZeid, O. S. ^{[64
]}

Abraham, N. L. ^{[226
]}

Abramowicz, H. ^{[232
]}

Abreu, H. ^{[231
]}

Abulaiti, Y. ^{[8
]}

Acharya, B. S. ^{[104
,105
,267
]}

Achkar, B. ^{[81
]}

Adachi, S. ^{[234
,235
]}

Adam, L. ^{[156
]}

Bourdarios, C. Adam ^{[7
]}

Adamczyk, L. ^{[135
]}

Adamek, L. ^{[239
]}

Adelman, J. ^{[179
]}

Adersberger, M. ^{[170
]}

Adiguzel, A. ^{[16
]}

Adorni, S. ^{[82
]}

Adye, T. ^{[211
]}

Affolder, A. A. ^{[213
]}

Afik, Y. ^{[231
]}

Agapopoulou, C. ^{[193
]}

Agaras, M. N. ^{[62
]}

Aggarwal, A. ^{[176
]}

Agheorghiesei, C. ^{[42
]}

Aguilar-Saavedra, J. A. ^{[201
,206
,279
]}

Ahmadov, F. ^{[128
]}

Ahmed, W. S. ^{[160
]}

Ai, X. ^{[26
,27
]}

Aielli, G. ^{[119
,120
]}

Akatsuka, S. ^{[138
]}

Akesson, T. P. A. ^{[152
]}

Akilli, E. ^{[82
]}

Akimov, A., V ^{[167
]}

Al Khoury, K. ^{[193
]}

Alberghi, G. L. ^{[34
,35
,36
]}

Albert, J. ^{[250
]}

Verzini, M. J. Alconada ^{[232
]}

Alderweireldt, S. ^{[60
]}

Aleksa, M. ^{[60
]}

Aleksandrov, I. N. ^{[128
]}

Alexa, C. ^{[41
]}

Alexopoulos, T. ^{[12
]}

Alfonsi, A. ^{[177
,178
]}

Alfonsi, F. ^{[34
,35
,36
]}

机构：

[1] Univ Adelaide, Dept Phys, Adelaide, SA, Australia

[2] SUNY Albany, Dept Phys, Albany, NY 12222 USA

[3] Univ Alberta, Dept Phys, Edmonton, AB, Canada

[4] Ankara Univ, Dept Phys, Ankara, Turkey

[5] Istanbul Aydin Univ, Istanbul, Turkey

[6] TOBB Univ Econ & Technol, Div Phys, Ankara, Turkey

[7] Univ Grenoble Alpes, Univ Savoie Mt Blanc, IN2P3, CNRS,LAPP, Annecy, France

[8] Argonne Natl Lab, Div High Energy Phys, Argonne, IL 60439 USA

[9] Univ Arizona, Dept Phys, Tucson, AZ 85721 USA

[10] Univ Texas Arlington, Dept Phys, POB 19059, Arlington, TX 76019 USA

[11] Natl & Kapodistrian Univ Athens, Phys Dept, Athens, Greece

[12] Natl Tech Univ Athens, Phys Dept, Zografos, Greece

[13] Univ Texas Austin, Dept Phys, Austin, TX 78712 USA

[14] Bahcesehir Univ, Fac Engn & Nat Sci, Istanbul, Turkey

[15] Istanbul Bilgi Univ, Fac Engn & Nat Sci, Istanbul, Turkey

[16] Bogazici Univ, Dept Phys, Istanbul, Turkey

[17] Gaziantep Univ, Dept Phys Engn, Gaziantep, Turkey

[18] Azerbaijan Acad Sci, Inst Phys, Baku, Azerbaijan

[19] Barcelona Inst Sci & Technol, IFAE, Barcelona, Spain

[20] Chinese Acad Sci, Inst High Energy Phys, Beijing, Peoples R China

[21] Tsinghua Univ, Phys Dept, Beijing, Peoples R China

[22] Nanjing Univ, Dept Phys, Nanjing, Peoples R China

[23] Univ Chinese Acad Sci, Beijing, Peoples R China

[24] Univ Belgrade, Inst Phys, Belgrade, Serbia

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

[26] Lawrence Berkeley Natl Lab, Phys Div, Berkeley, CA USA

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

[28] Humboldt Univ, Inst Phys, Berlin, Germany

[29] Univ Bern, Albert Einstein Ctr Fundamental Phys, Bern, Switzerland

[30] Univ Bern, Lab High Energy Phys, Bern, Switzerland

[31] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England

[32] Univ Antonio Narino, Fac Ciencias, Bogota, Colombia

[33] Univ Antonio Narino, Ctr Invest, Bogota, Colombia

[34] INFN Bologna, Bologna, Italy

[35] Univ Bologna, Dipartimento Fis, Bologna, Italy

[36] INFN, Sez Bologna, Bologna, Italy

[37] Univ Bonn, Phys Inst, Bonn, Germany

[38] Boston Univ, Dept Phys, 590 Commonwealth Ave, Boston, MA 02215 USA

[39] Brandeis Univ, Dept Phys, Waltham, MA 02254 USA

[40] Transilvania Univ Brasov, Brasov, Romania

[41] Horia Hulubei Natl Inst Phys & Nucl Engn, Bucharest, Romania

[42] Alexandru Ioan Cuza Univ, Dept Phys, Iasi, Romania

[43] Natl Inst Res & Dev Isotop & Mol Technol, Phys Dept, Cluj Napoca, Romania

[44] West Univ Timisoara, Timisoara, Romania

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

[46] Slovak Acad Sci, Inst Expt Phys, Dept Subnucl Phys, Kosice, Slovakia

[47] Brookhaven Natl Lab, Dept Phys, Upton, NY 11973 USA

[48] Univ Buenos Aires, Dept Fis, Buenos Aires, DF, Argentina

[49] Calif State Univ, Long Beach, CA USA

[50] Univ Cambridge, Cavendish Lab, Cambridge, England

来源：

PHYSICAL REVIEW C | 2020年 / 101卷 / 02期

基金：

英国科学技术设施理事会; 欧盟地平线“2020”; 巴西圣保罗研究基金会; 加拿大自然科学与工程研究理事会;

关键词：

QUARK-GLUON PLASMA; TRANSVERSE-MOMENTUM; PBPB COLLISIONS; ELLIPTIC-FLOW; PERSPECTIVE; PP;

D O I：

10.1103/PhysRevC.101.024906

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：

This paper describes the measurements of flow harmonics v(2)-v(6) in 3 mu b(-1) of Xe Xe collisions at root S-NN = 5.44 TeV performed using the ATLAS detector at the Large Hadron Collider (LHC). Measurements of the centrality, multiplicity, and p(T) dependence of the v(n) obtained using two-particle correlations and the scalar product technique are presented. The measurements are also performed using a template-fit procedure, which was developed to remove nonflow correlations in small collision systems. This nonflow removal is shown to have a significant influence on the measured v(n) at high p(T), especially in peripheral events. Comparisons of the measured v(n) with measurements in Pb + Pb collisions and p + Pb collisions at root S-NN = 5.02 TeV are also presented. The v(n) values in Xe + Xe collisions are observed to be larger than those in Pb + Pb collisions for n = 2, 3, and 4 in the most central events. However, with decreasing centrality or increasing harmonic order n, the v(n) values in Xe + Xe collisions become smaller than those in Pb + Pb collisions. The v(n) in Xe + Xe and Pb + Pb collisions are also compared as a function of the mean number of participating nucleons, < N-part >, and the measured charged-particle multiplicity in the detector. The v(3) values in Xe + Xe and Pb + Pb collisions are observed to be similar at the same < N-part > or multiplicity, but the other harmonics are significantly different. The ratios of the measured v(n) in Xe + Xe and Pb + Pb collisions, as a function of centrality, are also compared to theoretical calculations.

引用

页数：35

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