Measurement of Λ(1520) production in pp collisions at √s=7 TeV and p-Pb collisions at √sNN=5.02 TeV

被引：14

作者：

Acharya, S. ^{[156
]}

Adamova, D. ^{[107
]}

Adhya, S. P. ^{[156
]}

Adler, A. ^{[87
]}

Adolfsson, J. ^{[93
]}

Aggarwal, M. M. ^{[112
]}

Rinella, Aglieri G. ^{[48
]}

Agnello, M. ^{[42
,43
]}

Agrawal, N. ^{[12
,13
,62
,67
]}

Ahammed, Z. ^{[156
]}

Ahmad, S. ^{[20
]}

Ahn, S. U. ^{[89
]}

Akindinov, A. ^{[104
]}

Al-Turany, M. ^{[119
,120
]}

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

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

Aleksandrov, D. ^{[100
]}

Alessandro, B. ^{[72
]}

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

Alfaro Molina, R. ^{[85
]}

Ali, B. ^{[20
]}

Ali, Y. ^{[18
]}

Alici, A. ^{[12
,13
,34
,35
,67
]}

Alkin, A. ^{[2
]}

Alme, J. ^{[25
]}

Alt, T. ^{[82
]}

Altenkamper, L. ^{[25
]}

Altsybeev, I ^{[127
]}

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

Andrei, C. ^{[61
]}

Andreou, D. ^{[48
]}

Andrews, H. A. ^{[124
]}

Andronic, A. ^{[159
]}

Angeletti, M. ^{[48
]}

Anguelov, V ^{[116
]}

Anson, C. ^{[19
]}

Anticic, T. ^{[121
]}

Antinori, F. ^{[70
]}

Antonioli, P. ^{[67
]}

Anwar, R. ^{[140
]}

Apadula, N. ^{[92
]}

Aphecetche, L. ^{[129
]}

Appelshaeuser, H. ^{[82
]}

Arcelli, S. ^{[34
,35
]}

Arnaldi, R. ^{[72
]}

Arratia, M. ^{[92
]}

Arsene, I. C. ^{[24
]}

Arslandok, M. ^{[116
]}

Augustinus, A. ^{[48
]}

Averbeck, R. ^{[119
,120
]}

机构：

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

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

[8] Ctr Calcul IN2P3, Lyon, France

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

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

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

[12] Ctr Fermi Museo Storico Fis, 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] Chonbuk Natl Univ, Jeonju, South Korea

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

[18] COMSATS Univ Islamabad, Islamabad, Pakistan

[19] Creighton Univ, Omaha, NE USA

[20] Aligarh Muslim Univ, Dept Phys, Aligarh, India

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

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

[23] Univ Calif, Dept Phys, Berkeley, CA USA

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

[41] Grp Collegato INFN, Salerno, Italy

[42] Dipartimento DISAT Politecn, Turin, Italy

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

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

[45] INFN Sez Torino, Alessandria, Italy

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

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

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

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

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

来源：

EUROPEAN PHYSICAL JOURNAL C | 2020年 / 80卷 / 02期

基金：

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

关键词：

QUARK-GLUON PLASMA; NUCLEUS-NUCLEUS COLLISIONS; RANGE ANGULAR-CORRELATIONS; PERSPECTIVE; MODEL;

D O I：

10.1140/epjc/s10052-020-7687-2

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 production of the (1520) baryonic resonance has been measured at midrapidity in inelastic pp collisions at v s = 7 TeV and in p-Pb collisions at v sNN = 5.02 TeV for non-single diffractive events and in multiplicity classes. The resonance is reconstructed through its hadronic decay channel (1520). pK- and the charge conjugate with the ALICE detector. The integrated yields and mean transverse momenta are calculated from the measured transverse momentum distributions in pp and p-Pb collisions. The mean transverse momenta follow mass ordering as previously observed for other hyperons in the same collision systems. A Blast-Wave function constrained by other light hadrons (p, K, K0S, p, ) describes the shape of the (1520) transverse momentum distribution up to 3.5 GeV/c in p-Pb collisions. In the framework of this model, this observation suggests that the (1520) resonance participates in the same collective radial flow as other light hadrons. The ratio of the yield of (1520) to the yield of the ground state particle remains constant as a function of charged-particle multiplicity, suggesting that there is no net effect of the hadronic phase in p-Pb collisions on the (1520) yield.

引用

页数：19

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