Transverse momentum and process dependent azimuthal anisotropies in √SNN=8.16 TeV p plus Pb collisions with the ATLAS detector

被引：0

作者：

Aad, G. ^{[159
]}

Abbott, B. ^{[190
]}

Abbott, D. C. ^{[160
]}

Abud, A. Abed ^{[114
,115
]}

Abeling, K. ^{[82
]}

Abhayasinghe, D. K. ^{[150
]}

Abidi, S. H. ^{[237
]}

AbouZeid, O. S. ^{[65
]}

Abraham, N. L. ^{[224
]}

Abramowicz, H. ^{[230
]}

Abreu, H. ^{[229
]}

Abulaiti, Y. ^{[8
]}

Acharya, B. S. ^{[105
,106
,268
]}

Achkar, B. ^{[82
]}

Adachi, S. ^{[232
,233
]}

Adam, L. ^{[157
]}

Bourdarios, C. Adam ^{[7
]}

Adamczyk, L. ^{[136
]}

Adamek, L. ^{[237
]}

Adelman, J. ^{[180
]}

Adersberger, M. ^{[171
]}

Adiguzel, A. ^{[16
,283
]}

Adorni, S. ^{[83
]}

Adye, T. ^{[211
]}

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

Afik, Y. ^{[229
]}

Agapopoulou, C. ^{[194
]}

Agaras, M. N. ^{[63
]}

Aggarwal, A. ^{[177
]}

Agheorghiesei, C. ^{[42
]}

Aguilar-Saavedra, J. A. ^{[202
,207
,282
]}

Ahmadov, F. ^{[129
]}

Ahmed, W. S. ^{[161
]}

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

Aielli, G. ^{[120
,121
]}

Akatsuka, S. ^{[139
]}

Akesson, T. P. ^{[153
]}

Akilli, E. ^{[83
]}

Akimov, A., V ^{[168
]}

Al Khoury, K. ^{[194
]}

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

Albert, J. ^{[248
]}

Verzini, M. J. Alconada ^{[230
]}

Alderweireldt, S. ^{[61
]}

Aleksa, M. ^{[61
]}

Aleksandrov, I. N. ^{[129
]}

Alexa, C. ^{[41
]}

Alexandre, D. ^{[28
]}

Alexopoulos, T. ^{[12
]}

Alfonsi, A. ^{[178
,179
]}

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, Jiangsu, 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, Dept Subnucl Phys, Inst Expt 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：

EUROPEAN PHYSICAL JOURNAL C | 2020年 / 80卷 / 01期

基金：

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; 欧盟地平线“2020”;

关键词：

PROTON-LEAD COLLISIONS; COLLECTIVITY; CENTRALITY; RAPIDITY; SYSTEM; FLOW;

D O I：

10.1140/epjc/s10052-020-7624-4

中图分类号：

O412 [相对论、场论]; O572.2 [粒子物理学];

学科分类号：

摘要：

The azimuthal anisotropy of charged particles produced in sNN=8.16TeV p+Pb collisions is measured with the ATLAS detector at the LHC. The data correspond to an integrated luminosity of 165 nb-1 that was collected in 2016. Azimuthal anisotropy coefficients, elliptic v2 and triangular v3\, extracted using two-particle correlations with a non-flow template fit procedure, are presented as a function of particle transverse momentum (pT) between 0.5 and 50 GeV. The v2 results are also reported as a function of centrality in three different particle pTintervals. The results are reported from minimum-bias events and jet-triggered events, where two jet pT thresholds are used. The anisotropies for particles with pT less than about 2 GeV are consistent with hydrodynamic flow expectations, while the significant non-zero anisotropies for pT in the range 9-50 GeV are not explained within current theoretical frameworks. In the pTrange 2-9 GeV, the anisotropies are larger in minimum-bias than in jet-triggered events. Possible origins of these effects, such as the changing admixture of particles from hard scattering and the underlying event, are discussed.

引用

页数：31

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