Production of Muons from Heavy Flavor Decays at Forward Rapidity in pp and Pb-Pb Collisions at √sNN=2.76 TeV

被引：103

作者：

Abelev, B. ^{[1
]}

Adam, J. ^{[2
]}

Adamova, D. ^{[3
]}

Adare, A. M. ^{[4
]}

Aggarwal, M. M. ^{[5
]}

Rinella, G. Aglieri ^{[6
]}

Agocs, A. G. ^{[7
]}

Agostinelli, A. ^{[8
,9
,64
,68
,69
]}

Aguilar Salazar, S. ^{[10
]}

Ahammed, Z. ^{[11
]}

Masoodi, A. Ahmad ^{[12
]}

Ahmad, N. ^{[12
]}

Ahn, S. A. ^{[13
]}

Ahn, S. U. ^{[14
,15
]}

Akindinov, A. ^{[16
,64
]}

Aleksandrov, D. ^{[17
]}

Alessandro, B. ^{[18
]}

Alfaro Molina, R. ^{[10
]}

Alici, A. ^{[9
,19
,20
]}

Alkin, A. ^{[21
]}

Almaraz Avina, E. ^{[10
]}

Alme, J. ^{[22
]}

Alt, T. ^{[23
]}

Altini, V. ^{[24
,25
]}

Altinpinar, S. ^{[26
]}

Altsybeev, I. ^{[27
]}

Andrei, C. ^{[28
]}

Andronic, A. ^{[29
,30
]}

Anguelov, V. ^{[31
]}

Anielski, J. ^{[32
]}

Anson, C. ^{[33
]}

Anticic, T. ^{[34
]}

Antinori, F. ^{[35
]}

Antonioli, P. ^{[9
]}

Aphecetche, L. ^{[36
]}

Appelshaeuser, H. ^{[37
]}

Arbor, N. ^{[38
]}

Arcelli, S. ^{[8
,9
]}

Arend, A. ^{[37
]}

Armesto, N. ^{[39
,40
]}

Arnaldi, R. ^{[18
]}

Aronsson, T. ^{[4
]}

Arsene, I. C. ^{[29
,30
]}

Arslandok, M. ^{[37
]}

Asryan, A. ^{[27
]}

Augustinus, A. ^{[6
]}

Averbeck, R. ^{[29
,30
]}

Awes, T. C. ^{[41
]}

Aysto, J. ^{[42
,43
]}

Azmi, M. D. ^{[12
]}

机构：

[1] Lawrence Livermore Natl Lab, Livermore, CA USA

[2] Czech Tech Univ, Fac Nucl Sci & Phys Engn, CR-11519 Prague, Czech Republic

[3] Acad Sci Czech Republ, Inst Nucl Phys, Prague, Czech Republic

[4] Yale Univ, New Haven, CT USA

[5] Panjab Univ, Dept Phys, Chandigarh 160014, India

[6] CERN, European Org Nucl Res, CH-1211 Geneva, Switzerland

[7] Hungarian Acad Sci, KFKI Res Inst Particle & Nucl Phys, Budapest, Hungary

[8] Univ Bologna, Dipartmento Fis, Bologna, Italy

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

[10] Univ Nacl Autonoma Mexico, Inst Fis, Mexico City 01000, DF, Mexico

[11] Ctr Variable Energy Cyclotron, Kolkata, India

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

[13] Korea Inst Sci & Technol Informat, Taejon, South Korea

[14] Univ Clermont Ferrand 2, LPC, CNRS, IN2P3, Clermont Ferrand, France

[15] Gangneung Wonju Natl Univ, Kangnung, South Korea

[16] Inst Theoret & Expt Phys, Moscow 117259, Russia

[17] Kurchatov Inst, Russian Res Ctr, Moscow, Russia

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

[19] Ctr Fermi Ctr & Ric, Rome, Italy

[20] Museo Stor Fis Enrico Fermi, Rome, Italy

[21] Bogolyubov Inst Theoret Phys, Kiev, Ukraine

[22] Bergen Univ Coll, Fac Engn, Bergen, Norway

[23] Goethe Univ Frankfurt, Frankfurt Inst Adv Studies, Frankfurt, Germany

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

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

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

[27] St Petersburg State Univ, V Fock Inst Phys, St Petersburg, Russia

[28] Natl Inst Phys & Nucl Engn, Bucharest, Romania

[29] GSI Helmholtzzentrum Schwerionenforsch, Div Res, Darmstadt, Germany

[30] GSI Helmholtzzentrum Schwerionenforsch, ExtreMe Matter Inst EMMI, Darmstadt, Germany

[31] Heidelberg Univ, Inst Phys, D-6900 Heidelberg, Germany

[32] Univ Munster, Inst Kernphys, D-4400 Munster, Germany

[33] Ohio State Univ, Dept Phys, Columbus, OH 43210 USA

[34] Rudjer Boskovic Inst, Zagreb, Croatia

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

[36] Univ Nantes, CNRS, IN2P3, Ecole Mines Nantes,SUBATECH, Nantes, France

[37] Goethe Univ Frankfurt, Inst Kernphys, D-6000 Frankfurt, Germany

[38] Univ Grenoble 1, CNRS, IN2P3, Inst Polytech Grenoble,LPSC, Grenoble, France

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

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

[41] Oak Ridge Natl Lab, Oak Ridge, TN USA

[42] Helsinki Inst Phys, Jyvaskyla, Finland

[43] Univ Jyvaskyla, Jyvaskyla, Finland

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

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

[46] Slovak Acad Sci, Inst Expt Phys, Kosice 04353, Slovakia

[47] Inst Phys, Bhubaneswar 751007, Orissa, India

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

[49] Univ Birmingham, Sch Phys & Astron, Birmingham, W Midlands, England

[50] Polish Acad Sci, Henryk Niewodniczanski Inst Nucl Phys, Krakow, Poland

来源：

PHYSICAL REVIEW LETTERS | 2012年 / 109卷 / 11期

基金：

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

关键词：

ENERGY-LOSS; MESONS;

D O I：

10.1103/PhysRevLett.109.112301

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The ALICE Collaboration has measured the inclusive production of muons from heavy-flavor decays at forward rapidity, 2.5 < y < 4, in pp and Pb-Pb collisions at root s(NN) = 2.76 TeV. The p(t)-differential inclusive cross section of muons from heavy-flavor decays in pp collisions is compared to perturbative QCD calculations. The nuclear modification factor is studied as a function of p(t) and collision centrality. A weak suppression is measured in peripheral collisions. In the most central collisions, a suppression of a factor of about 3-4 is observed in 6 < p(t) < 10 GeV/c. The suppression shows no significant p(t) dependence.

引用

页数：11

共 36 条

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