Two-pion femtoscopy in p-Pb collisions at √SNN=5.02 TeV

被引:52
作者
Adam, J. [53 ]
Adamova, D. [96 ]
Aggarwal, M. M. [100 ]
Rinella, G. Aglieri [50 ]
Agnello, M. [35 ,107 ]
Agrawal, N. [61 ]
Ahammed, Z. [137 ]
Ahmed, I. [19 ]
Ahn, S. U. [81 ]
Aimo, I. [35 ,107 ]
Aiola, S. [141 ]
Ajaz, M. [19 ]
Akindinov, A. [71 ]
Alam, S. N. [137 ]
Aleksandrov, D. [114 ]
Alessandro, B. [35 ]
Alexandre, D. [116 ]
Molina, R. Alfaro [77 ]
Alici, A. [14 ,15 ,37 ]
Alkin, A. [3 ]
Alme, J. [51 ]
Alt, T. [56 ]
Altinpinar, S. [22 ]
Altsybeev, I. [136 ]
Prado, C. Alves Garcia [125 ]
Andrei, C. [91 ]
Andronic, A. [110 ,111 ]
Anguelov, V. [106 ]
Anielski, J. [67 ]
Anticic, T. [112 ]
Antinori, F. [41 ]
Antonioli, P. [37 ]
Aphecetche, L. [119 ]
Appelshaeuser, H. [66 ]
Arcelli, S. [36 ,37 ]
Armesto, N. [20 ,21 ]
Arnaldi, R. [35 ]
Aronsson, T. [141 ]
Arsene, I. C. [26 ]
Arslandok, M. [66 ]
Augustinus, A. [50 ]
Averbeck, R. [110 ,111 ]
Azmi, M. D. [23 ]
Bach, M. [56 ]
Badala, A. [39 ]
Baek, Y. W. [57 ]
Bagnasco, S. [115 ]
Bailhache, R. [66 ]
Bala, R. [103 ]
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] Bose Inst, 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] IN2P3, Ctr Calcul, Villeurbanne, France
[10] Ctr Aplicac Tecnol & Desarrollo Nucl CEADEN, Havana, Cuba
[11] Ctr Invest Energet Medioambient & Tecnol CIEMAT, 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] Commissariat Energie Atom, IRFU, Saclay, France
[19] COMSATS Inst Informat Technol CIIT, Islamabad, Pakistan
[20] Univ Santiago Compostela, Dept Fis Particulas, Santiago De Compostela, Spain
[21] Univ Santiago 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, Columbus, OH 43210 USA
[25] Sejong Univ, Dept Phys, Seoul, South Korea
[26] Univ Oslo, Dept Phys, Oslo, Norway
[27] Elettron Politecn, Dipartimento Elettrotecn, Bari, Italy
[28] Univ Roma La Sapienza, Dipartimento Fis, I-00185 Rome, Italy
[29] Sezione Ist Nazl Fis Nucl, 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, 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] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland
来源
PHYSICAL REVIEW C | 2015年 / 91卷 / 03期
基金
美国能源部; 巴西圣保罗研究基金会; 英国科学技术设施理事会; 新加坡国家研究基金会; 瑞典研究理事会; 美国国家科学基金会; 俄罗斯基础研究基金会; 欧洲研究理事会; 中国国家自然科学基金; 芬兰科学院;
关键词
CHARGED-PARTICLE PRODUCTION; BOSE-EINSTEIN CORRELATIONS; LARGE TRANSVERSE-MOMENTUM; QUARK-GLUON PLASMA; AU+AU COLLISIONS; CENTRALITY DEPENDENCE; PION INTERFEROMETRY; COULOMB CORRECTIONS; ROOT-S(NN)=200 GEV; EMISSION SOURCE;
D O I
10.1103/PhysRevC.91.034906
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
We report the results of the femtoscopic analysis of pairs of identical pions measured in p-Pb collisions at root(NN)-N-S = 5.02 TeV. Femtoscopic radii are determined as a function of event multiplicity and pair momentum in three spatial dimensions. As in the pp collision system, the analysis is complicated by the presence of sizable background correlation structures in addition to the femtoscopic signal. The radii increase with event multiplicity and decrease with pair transverse momentum. When taken at comparable multiplicity, the radii measured in p-Pb collisions, at high multiplicity and low pair transverse momentum, are 10%-20% higher than those observed in pp collisions but below those observed in A-A collisions. The results are compared to hydrodynamic predictions at large event multiplicity as well as discussed in the context of calculations based on gluon saturation.
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