Forward-central two-particle correlations in p-Pb collisions at √sNN=5.02 TeV

被引：45

作者：

Adam, J. ^{[54
]}

Adamova, D. ^{[97
]}

Aggarwal, M. M. ^{[101
]}

Rinella, G. Aglieri ^{[50
]}

Agnello, M. ^{[35
]}

Agrawal, N. ^{[62
]}

Ahammed, Z. ^{[141
]}

Ahn, S. U. ^{[82
]}

Aimo, I. ^{[35
,108
]}

Aiola, S. ^{[145
]}

Ajaz, M. ^{[19
]}

Akindinov, A. ^{[72
]}

Alam, S. N. ^{[141
]}

Aleksandrov, D. ^{[115
]}

Alessandro, B. ^{[35
]}

Alexandre, D. ^{[117
]}

Molina, R. Alfaro ^{[78
]}

Alici, A. ^{[14
,15
,37
]}

Alkin, A. ^{[3
]}

Almaraz, J. R. M. ^{[128
]}

Alme, J. ^{[52
]}

Alt, T. ^{[57
]}

Altinpinar, S. ^{[22
]}

Altsybeev, I. ^{[140
]}

Alves Garcia Prado, C. ^{[129
]}

Andrei, C. ^{[92
]}

Andronic, A. ^{[111
,112
]}

Anguelov, V. ^{[107
]}

Anielski, J. ^{[68
]}

Anticic, T. ^{[113
]}

Antinori, F. ^{[41
]}

Antonioli, R. ^{[37
]}

Aphecetche, L. ^{[122
]}

Appelshaeuser, H.

Arcelli, S. ^{[36
,37
]}

Armesto, N. ^{[20
,21
]}

Arnaldi, R. ^{[35
]}

Arsene, I. C. ^{[26
]}

Arslandok, M. ^{[67
]}

Audurier, B. ^{[122
]}

Augustinus, A. ^{[50
]}

Averbeck, R. ^{[111
,112
]}

Azmi, M. D. ^{[23
]}

Bach, M. ^{[57
]}

Badala, A. ^{[39
]}

Baek, Y. W.

Bagnasco, S. ^{[35
]}

Bailhache, R. ^{[67
]}

Bala, R.

Baldisseri, A. ^{[18
]}

机构：

[1] Yerevan Phys Inst Fdn, AI Alikhanyan Natl Sci Lab, Yerevan, Armenia

[2] Benemerita Univ Autonoma Puebla, Puebla, Mexico

[3] Bogolyubov Inst Theoret Phys, Kiev, Ukraine

[4] Bose Inst, Dept Phys, Kolkata, India

[5] CAPSS, Kolkata, India

[6] Budker Inst Nucl Phys, Novosibirsk 630090, Russia

[7] Calif Polytech State Univ San Luis Obispo, San Luis Obispo, CA 93407 USA

[8] Cent China Normal Univ, Wuhan, Peoples R China

[9] Ctr Calcul IN2P3, Villeurbanne, France

[10] Ctr Aplicac Tecnol & Desarrollo Nucl CEADEN, Havana, Cuba

[11] CIEMAT, E-28040 Madrid, Spain

[12] Ctr Invest & Estudios Avanzados CINVESTAV, Mexico City, DF, Mexico

[13] Ctr Invest & Estudios Avanzados CINVESTAV, Merida, Mexico

[14] Ctr Fermi Museo Stor Fis, Rome, Italy

[15] Ctr Studi Ric Enrico Fermi, Rome, Italy

[16] Chicago State Univ, Chicago, IL USA

[17] China Inst Atom Energy, Beijing, Peoples R China

[18] IRFU, Commissariat Energie Atom, Saclay, France

[19] COMSATS Inst Informat Technol CIIT, Islamabad, Pakistan

[20] Univ Santiago de Compostela, Dept Fis Particulas, Santiago De Compostela, Spain

[21] Univ Santiago de Compostela, IGFAE, Santiago De Compostela, Spain

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

[23] Aligarh Muslim Univ, Dept Phys, Aligarh 202002, Uttar Pradesh, India

[24] Ohio State Univ, Dept Phys, 174 W 18th Ave, Columbus, OH 43210 USA

[25] Sejong Univ, Dept Phys, Seoul, South Korea

[26] Univ Oslo, Dept Phys, Oslo, Norway

[27] Dipartimento Elettrotecn & Elettron Politecn, Bari, Italy

[28] Univ Roma La Sapienza, Dipartimento Fis, Piazzale Aldo Moro 5, I-00185 Rome, Italy

[29] Sez INFN Rome, Rome, Italy

[30] Univ Cagliari, Dipartimento Fis, Cagliari, Italy

[31] Sezione Ist Nazl Fis Nucl, Cagliari, Italy

[32] Univ Trieste, Dipartimento Fis, Trieste, Italy

[33] Sezione Ist Nazl Fis Nucl, Trieste, Italy

[34] Univ Turin, Dipartimento Fis, Turin, Italy

[35] Sezione Ist Nazl Fis Nucl, Turin, Italy

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

[37] Sezione Ist Nazl Fis Nucl, Bologna, Italy

[38] Univ Catania, Dipartimento Fis & Astron, Catania, Italy

[39] Sezione Ist Nazl Fis Nucl, Catania, Italy

[40] Univ Padua, Dipartimento Fis & Astron, Padua, Italy

[41] Sezione Ist Nazl Fis Nucl, Padua, Italy

[42] Univ Salerno, Dipartimento Fis ER Caianiello, I-84100 Salerno, Italy

[43] Grp Collegato INFN, Salerno, Italy

[44] Univ Piemonte Orientale, Dipartimento Sci & Innovaz Tecnol, Alessandria, Italy

[45] Grp Collegato INFN, Alessandria, Italy

[46] Dipartimento Interateneo Fis M Merlin, Bari, Italy

[47] Sezione Ist Nazl Fis Nucl, Bari, Italy

[48] Lund Univ, Div Expt High Energy Phys, Lund, Sweden

[49] Univ Tubingen, Tubingen, Germany

[50] European Org Nucl Res CERN, Geneva, Switzerland

来源：

PHYSICS LETTERS B | 2016年 / 753卷

基金：

瑞典研究理事会; 欧洲研究理事会; 中国国家自然科学基金; 美国国家科学基金会; 美国能源部; 芬兰科学院; 巴西圣保罗研究基金会; 新加坡国家研究基金会; 日本学术振兴会; 俄罗斯基础研究基金会; 英国科学技术设施理事会;

关键词：

PROTON-PROTON COLLISIONS; PLUS AU COLLISIONS; LONG-RANGE; ANGULAR-CORRELATIONS; MULTIPLICITY DEPENDENCE; TRANSVERSE-MOMENTUM; CHARGED-PARTICLES; ANISOTROPIC FLOW; TRIANGULAR FLOW; NEAR-SIDE;

D O I：

10.1016/j.physletb.2015.12.010

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Two-particle angular correlations between trigger particles in the forward pseudorapidity range (2.5 < vertical bar eta vertical bar < 4.0) and associated particles in the central range(vertical bar eta vertical bar < 1.0) are measured with the ALICE detector in p-Pb collisions at a nucleon-nucleon centre-of-mass energy of 5.02 TeV. The trigger particles are reconstructed using the muon spectrometer, and the associated particles by the central barrel tracking detectors. In high-multiplicity events, the double-ridge structure, previously discovered in two-particle angular correlations at midrapidity, is found to persist to the pseudorapidity ranges studied in this Letter. The second-order Fourier coefficients for muons in high-multiplicity events are extracted after jet-like correlations from low-multiplicity events have been subtracted. The coefficients are found to have a similar transverse momentum(p(T)) dependence in p-going (p-Pb) and Pb-going (Pb-p) configurations, with the Pb-going coefficients larger by about 16 +/- 6%, rather independent of p(T) within the uncertainties of the measurement. The data are compared with calculations using the AMPT model, which predicts a different p(T) and eta dependence than observed in the data. The results are sensitive to the parent particle v(2) and composition of reconstructed muon tracks, where the contribution from heavy flavour decays is expected to dominate at p(T) > 2GeV/c. (C) 2015 CERN for the benefit of the ALICE Collaboration. Published by Elsevier B. V.

引用

页码：126 / 139

页数：14

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