φ-Meson production at forward rapidity in p-Pb collisions at √sNN=5.02 TeV and in pp collisions at √s=2.76 TeV

被引:9
作者
Adam, J. [53 ]
Adamova, D. [96 ]
Aggarwal, M. M. [100 ]
Rinella, G. Aglieri [49 ]
Agnello, M. [124 ]
Agrawal, N. [61 ]
Ahammed, Z. [144 ]
Ahn, S. U. [81 ]
Aimo, I. [107 ,124 ]
Aiola, S. [148 ]
Ajaz, M. [18 ]
Akindinov, A. [71 ]
Alam, S. N. [144 ]
Aleksandrov, D. [113 ]
Alessandro, B. [124 ]
Alexandre, D. [115 ]
Molina, R. Alfaro [77 ]
Alici, A. [13 ,14 ,118 ]
Alkin, A. [3 ]
Almaraz, J. R. M. [132 ]
Alme, J. [51 ]
Alt, T. [56 ]
Altinpinar, S. [21 ]
Altsybeev, I. [143 ]
Alves Garcia Prado, C. [133 ]
Andrei, C. [91 ]
Andronic, A. [110 ]
Anguelov, V. [106 ]
Anielski, J. [67 ]
Anticic, T. [111 ]
Antinori, F. [121 ]
Antonioli, P. [118 ]
Aphecetche, L. [126 ]
Appelshaser, H. [66 ]
Arcelli, S. [35 ,36 ]
Armesto, N. [19 ,20 ]
Arnaldi, R. [124 ]
Arsene, I. C. [25 ]
Arslandok, M. [66 ]
Audurier, B. [126 ]
Augustinus, A. [49 ]
Averbeck, R. [110 ]
Azmi, M. D. [22 ]
Bach, M. [56 ]
Badala, A. [120 ]
Baek, Y. W. [57 ]
Bagnasco, S. [124 ]
Bailhache, R. [66 ]
Bala, R. [103 ]
Baldisseri, A. [17 ]
机构
[1] Yerevan Phys Inst Fdn, A I 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, 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, Madrid, Spain
[12] Ctr Invest & Estudios Avanzados CINVESTAV, Mexico City, DF, Mexico
[13] Ctr Fermi Museo Storico Fis, Rome, Italy
[14] Ctr Studi & Ric Enrico Fermi, Rome, Italy
[15] Chicago State Univ, Chicago, IL USA
[16] China Inst Atom Energy, Beijing, Peoples R China
[17] IRFU, Commissariat Energie Atom, Saclay, France
[18] COMSATS Inst Informat Technol CIIT, Islamabad, Pakistan
[19] Univ Santiago Compostela, Departamento Fis Particulas, Santiago De Compostela, Spain
[20] Univ Santiago Compostela, IGFAE, Santiago De Compostela, Spain
[21] Univ Bergen, Dept Phys & Technol, Bergen, Norway
[22] Aligarh Muslim Univ, Dept Phys, Aligarh, Uttar Pradesh, India
[23] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA
[24] Sejong Univ, Dept Phys, Seoul, South Korea
[25] Univ Oslo, Dept Phys, Oslo, Norway
[26] Dipartimento Elettrotecn & Elettron Politecn, Bari, Italy
[27] Univ Sapienza, Dipartimento Fis, Rome, Italy
[28] Sez INFN Rome, Rome, Italy
[29] Sezione Ist Nazl Fis Nucl, Cagliari, Italy
[30] Dipartimento Fis Univ, Cagliari, Italy
[31] Dipartimento Fis Univ, Trieste, Italy
[32] Sezione Ist Nazl Fis Nucl, Trieste, Italy
[33] Dipartimento Fis Univ, Turin, Italy
[34] Sezione Ist Nazl Fis Nucl, Turin, Italy
[35] Dipartimento Fis & Astron Univ, Bologna, Italy
[36] Sezione Ist Nazl Fis Nucl, Bologna, Italy
[37] Dipartimento Fis & Astron Univ, Catania, Italy
[38] Sezione Ist Nazl Fis Nucl, Catania, Italy
[39] Dipartimento Fis & Astron Univ, Padua, Italy
[40] Sezione Ist Nazl Fis Nucl, Padua, Italy
[41] Dipartimento Fis E R Caianiello Univ, Salerno, Italy
[42] Grp Coll INFN, Salerno, Italy
[43] Tecnol Univ Piemonte Orientale, Alessandria, Italy
[44] Grp Coll INFN, Alessandria, Italy
[45] Dipartimento Interateneo Fis M Merlin, Bari, Italy
[46] Sezione Ist Nazl Fis Nucl, Bari, Italy
[47] Lund Univ, Div Expt High Energy Phys, Lund, Sweden
[48] Eberhard Karls Univ Tubingen, Tubingen, Germany
[49] European Org Nucl Res CERN, Geneva, Switzerland
[50] Tech Univ Munich, Excellence Cluster Univ, Munich, Germany
基金
美国能源部; 美国国家科学基金会; 巴西圣保罗研究基金会; 瑞典研究理事会; 新加坡国家研究基金会; 日本学术振兴会; 英国科学技术设施理事会; 中国国家自然科学基金;
关键词
TRANSVERSE-MOMENTUM DEPENDENCE; D+AU COLLISIONS; STRANGENESS; PERSPECTIVE;
D O I
10.1016/j.physletb.2017.01.074
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The first study of phi-meson production in p-Pb collisions at forward and backward rapidity, at a nucleonnucleon centre-of-mass energy root s(NN)= 5.02 TeV, has been performed with the ALICE apparatus at the LHC. The phi-mesons have been identified in the dimuon decay channel in the transverse momentum (p(T)) range 1 < p(T) < 7GeV/c, both in the p-going (2.03 < y < 3.53) and the Pb-going (-4.46 < y < -2.96) directions - where ystands for the rapidity in the nucleon-nucleon centre-of-mass - the integrated luminosity amounting to 5.01 +/- 0.19nb(-1) and 5.81 +/- 0.20nb(-1), respectively, for the two data samples. Differential cross sections as a function of transverse momentum and rapidity are presented. The forward-backward ratio for f-meson production is measured for 2.96 <|y| < 3.53, resulting in a ratio similar to 0.5 with no significant p(T) dependence within the uncertainties. The p(T) dependence of the phi nuclear modification factor R-pPb exhibits an enhancement up to a factor 1.6 at p(T) = 3-4GeV/c in the Pb-going direction. The p(T) dependence of the f-meson cross section in pp collisions at root s= 2.76 TeV, which is used to determine a reference for the p-Pb results, is also presented here for 1 < pT< 5GeV/c and 2.5 < y < 4, for a 78 +/- 3nb(-1) integrated luminosity sample. (C) 2017 The Author(s). Published by Elsevier B.V.
引用
收藏
页码:203 / 217
页数:15
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