Measurement of isolated photon-hadron correlations in √SNN=5.02 TeV pp and p-Pb collisions

被引：5

作者：

Acharya, S. ^{[156
]}

Adamova, D. ^{[109
]}

Adler, A. ^{[88
]}

Adolfsson, J. ^{[95
]}

Aggarwal, M. M. ^{[114
]}

Rinella, G. Aglieri ^{[47
]}

Agnello, M. ^{[32
,41
]}

Agrawal, N. ^{[12
,13
,67
]}

Ahammed, Z. ^{[156
]}

Ahmad, S. ^{[19
]}

Ahn, S. U. ^{[90
]}

Akbar, Z. ^{[64
]}

Akindinov, A. ^{[106
]}

Al-Turany, M. ^{[121
,122
]}

Alam, S. N. ^{[53
,156
]}

Albuquerque, D. S. D. ^{[137
]}

Aleksandrov, D. ^{[102
]}

Alessandro, B. ^{[72
]}

Alfanda, H. M. ^{[7
]}

Alfaro Molina, R. ^{[85
]}

Ali, B. ^{[19
]}

Ali, Y. ^{[17
]}

Alici, A. ^{[12
,13
,33
,34
,67
]}

Alizadehvandchali, N. ^{[140
]}

Alkin, A. ^{[2
,47
]}

Alme, J. ^{[24
]}

Alt, T. ^{[82
]}

Altenkamper, L. ^{[24
]}

Altsybeev, I ^{[128
]}

Anaam, M. N. ^{[7
]}

Andrei, C. ^{[61
]}

Andreou, D. ^{[47
]}

Andronic, A. ^{[159
]}

Angeletti, M. ^{[47
]}

Anguelov, V ^{[118
]}

Anson, C. ^{[18
]}

Anticic, T. ^{[123
]}

Antinori, F. ^{[70
]}

Antonioli, P. ^{[67
]}

Apadula, N. ^{[94
]}

Aphecetche, L. ^{[130
]}

Appelshauser, H. ^{[82
]}

Arcelli, S. ^{[33
,34
]}

Arnaldi, R. ^{[72
]}

Arratia, M. ^{[94
]}

Arsene, I. C. ^{[23
]}

Arslandok, M. ^{[118
]}

Augustinus, A. ^{[47
]}

Averbeck, R. ^{[121
,122
]}

Aziz, S. ^{[92
]}

机构：

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

[2] Natl Acad Sci Ukraine, Bogolyubov Inst Theoret Phys, Kiev, Ukraine

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

[4] Ctr Astroparticle Phys & Space Sci CAPSS, Kolkata, India

[5] Budker Inst Nucl Phys, Novosibirsk, Russia

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

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

[8] IN2P3, Ctr Calcul, Lyon, France

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

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

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

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

[13] Ctr Studi & Ric Enrico Fermi, Rome, Italy

[14] Chicago State Univ, Chicago, IL USA

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

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

[17] COMSATS Univ Islamabad, Islamabad, Pakistan

[18] Creighton Univ, Omaha, NE 68178 USA

[19] Aligarh Muslim Univ, Dept Phys, Aligarh, Uttar Pradesh, India

[20] Pusan Natl Univ, Dept Phys, Pusan, South Korea

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

[22] Univ Calif Berkeley, Dept Phys, Berkeley, CA 94720 USA

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

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

[25] Univ Roma La Sapienza, Dipartimento Fis, Rome, Italy

[26] Sezione Ist Nazl Fis Nucl, Rome, Italy

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

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

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

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

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

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

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

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

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

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

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

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

[39] Univ Salerno, Dipartimento Fis ER Caianiello, Salerno, Italy

[40] Grp Collegato INFN, Salerno, Italy

[41] Politecn Torino, Dipartimento DISAT, Turin, Italy

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

[43] Ist Nazl Fis Nucl, Sez Torino, Alessandria, Italy

[44] Univ Messina, Dipartimento Sci MIFT, Messina, Italy

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

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

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

[48] Univ Split, Fac Elect Engn Mech Engn & Naval Architecture, Split, Croatia

[49] Western Norway Univ Appl Sci, Fac Engn & Sci, Bergen, Norway

[50] Czech Tech Univ, Fac Nucl Sci & Phys Engn, Prague, Czech Republic

来源：

PHYSICAL REVIEW C | 2020年 / 102卷 / 04期

基金：

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

关键词：

FRAGMENTATION; SYSTEM;

D O I：

10.1103/PhysRevC.102.044908

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 presents isolated photon-hadron correlations using pp and p-Pb data collected by the ALICE detector at the LHC. For photons with vertical bar eta vertical bar < 0.67 and 12 < p(T) < 40 GeV/c, the associated yield of charged particles in the range vertical bar eta vertical bar < 0.80 and 0.5 < p(T) < 10 GeV/c is presented. These momenta are much lower than previous measurements at the LHC. No significant difference between pp and p-Pb is observed, with PYTHIA 8.2 describing both data sets within uncertainties. This measurement constrains nuclear effects on the parton fragmentation in p-Pb collisions, and provides a benchmark for future studies of Pb-Pb collisions.

引用

页数：16

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