Measurement of forward-backward multiplicity correlations in lead-lead, proton-lead, and proton-proton collisions with the ATLAS detector

被引：23

作者：

Aaboud, M. ^{[190
,191
]}

Aad, G. ^{[122
,123
]}

Abbott, B. ^{[154
]}

Abdallah, J. ^{[95
]}

Abdinov, O. ^{[15
]}

Abeloos, B. ^{[136
,158
]}

Aben, R. ^{[147
,148
]}

AbouZeid, O. S. ^{[194
]}

Abraham, N. L. ^{[212
]}

Abramowicz, H. ^{[216
]}

Abreu, H. ^{[215
]}

Abreu, R. ^{[157
]}

Abulaiti, Y. ^{[206
,207
]}

Acharya, B. S. ^{[229
,230
,250
]}

Adamczyk, L. ^{[63
]}

Adams, D. L. ^{[39
]}

Adelman, J. ^{[149
]}

Adomeit, S. ^{[138
]}

Adye, T. ^{[180
]}

Affolder, A. A. ^{[108
]}

Agatonovic-Jovin, T. ^{[17
]}

Agricola, J. ^{[83
]}

Aguilar-Saavedra, J. A. ^{[169
,174
,175
]}

Ahlen, S. P. ^{[33
]}

Ahmadov, F. ^{[97
,251
]}

Aielli, G. ^{[183
,184
]}

Akerstedt, H. ^{[206
,207
]}

Akesson, T. P. A. ^{[118
]}

Akimov, A. V. ^{[134
]}

Alberghi, G. L. ^{[30
,31
]}

Albert, J. ^{[240
]}

Albrand, S. ^{[84
]}

Alconada Verzini, M. J. ^{[103
,104
]}

Aleksa, M. ^{[46
]}

Aleksandrov, I. N. ^{[97
]}

Alexa, C. ^{[40
]}

Alexander, G. ^{[216
]}

Alexopoulos, T. ^{[13
]}

Alhroob, M. ^{[154
]}

Ali, B. ^{[177
]}

Aliev, M. ^{[106
,107
]}

Alimonti, G. ^{[129
]}

Alison, J. ^{[47
]}

Alkire, S. P. ^{[59
]}

Allbrooke, B. M. M. ^{[212
]}

Allen, B. W. ^{[157
]}

Allport, P. P. ^{[24
]}

Aloisio, A. ^{[39
,76
,106
,143
,144
]}

Alonso, A. ^{[60
,103
]}

Alonso, F. ^{[104
]}

机构：

[1] Univ Adelaide, Dept Phys, Adelaide, SA 5005, 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] CNRS, IN2P3, LAPP, Annecy Le Vieux, France

[8] Univ Savoie Mont Blanc, Annecy Le Vieux, France

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

[10] Univ Arizona, Dept Phys, Tucson, AZ USA

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

[12] Univ Athens, Phys Dept, Athens, Greece

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

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

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

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

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

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

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

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

[21] Humboldt Univ, Dept Phys, Berlin, Germany

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

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

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

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

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

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

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

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

[30] Ist Nazl Fis Nucl, Sez Bologna, Bologna, Italy

[31] Univ Bologna, Dipartimento Fis & Astron, Bologna, Italy

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

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

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

[35] Univ Fed Rio Janeiro COPPE EE IF, Rio De Janeiro, Brazil

[36] Univ Fed Juiz de Fora, Elect Circuits Dept, Juiz De Fora, Brazil

[37] Federal Univ Sao Joao del Rei UFSJ, Sao Joao Del Rei, Brazil

[38] Univ Sao Paulo, Inst Fis, Sao Paulo, Brazil

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

[40] Nat Inst Phys & Nucl Engn, Bucharest, Romania

[41] Nat Inst Res & Dev Isotop & Mol Technol, Phys Dept, Cluj Napoca, Romania

[42] West Univ Timisoara, Timisoara, Romania

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

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

[45] Carleton Univ, Dept Phys, Ottawa, ON, Canada

[46] CERN, Geneva, Switzerland

[47] Univ Chicago, Enrico Fermi Inst, 5640 S Ellis Ave, Chicago, IL 60637 USA

[48] Pontificia Univ Catolica Chile, Dept Fis, Santiago, Chile

[49] Univ Tecn Federico Santa Maria, Dept Fis, Valparaiso, Chile

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

来源：

PHYSICAL REVIEW C | 2017年 / 95卷 / 06期

基金：

加拿大自然科学与工程研究理事会; 美国国家科学基金会; 巴西圣保罗研究基金会;

关键词：

CHARGED-PARTICLE DISTRIBUTIONS; ANGULAR-CORRELATIONS; TRANSVERSE-MOMENTUM; UNDERLYING EVENT; PP COLLISIONS; PB COLLISIONS; LONG-RANGE; TEV; DEPENDENCE; SIDE;

D O I：

10.1103/PhysRevC.95.064914

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：

Two-particle pseudorapidity correlations are measured in root s(NN) = 2.76 TeV Pb + Pb, root s(NN) = 5.02 TeV p+Pb, and root s = 13 TeV pp collisions at the Large Hadron Collider (LHC), with total integrated luminosities of approximately 7 mu b(-1), 28 nb(-1), and 65 nb(-1), respectively. The correlation function CN(eta(1),eta(2))is measured as a function of event multiplicity using charged particles in the pseudorapidity range |eta| < 2.4. The correlation function contains a significant short-range component, which is estimated and subtracted. After removal of the short-range component, the shape of the correlation function is described approximately by 1 + < a(1)(2)>(1/2) eta(1) eta(2) in all collision systems over the full multiplicity range. The values of < a(1)(2)>(1/2) are consistent for the opposite-charge pairs and same-charge pairs, and for the three collision systems at similar multiplicity. The values of < a(1)(2)>(1/2) and the magnitude of the short-range component both follow a power-law dependence on the event multiplicity. The short-range component in p + Pb collisions, after symmetrizing the proton and lead directions, is found to be smaller at a given eta than in pp collisions with comparable multiplicity.

引用

页数：30

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