Study of B Meson Production in p plus Pb Collisions at √sNN=5.02 TeV Using Exclusive Hadronic Decays

被引：43

作者：

Khachatryan, V. ^{[1
]}

Sirunyan, A. M. ^{[1
]}

Tumasyan, A. ^{[1
]}

Adam, W. ^{[2
]}

Asilar, E. ^{[2
]}

Bergauer, T. ^{[2
]}

Brandstetter, J. ^{[2
]}

Brondolin, E. ^{[2
]}

Dragicevic, M. ^{[2
]}

Eroe, J. ^{[2
]}

Flechl, M. ^{[2
]}

Friedl, M. ^{[2
]}

Fruehwirth, R. ^{[2
,192
]}

Ghete, V. M. ^{[2
]}

Hartl, C. ^{[2
]}

Hoermann, N. ^{[2
]}

Hrubec, J. ^{[2
]}

Jeitler, M. ^{[2
,192
]}

Knuenz, V. ^{[2
]}

Koenig, A. ^{[2
]}

Krammer, M. ^{[2
,192
]}

Kraetschmer, I. ^{[2
]}

Liko, D. ^{[2
]}

Matsushita, T. ^{[2
]}

Mikulec, I. ^{[2
]}

Rabady, D. ^{[2
,193
]}

Rahbaran, B. ^{[2
]}

Rohringer, H. ^{[2
]}

Schieck, J. ^{[2
,192
]}

Schoefbeck, R. ^{[2
]}

Strauss, J. ^{[2
]}

Treberer-Treberspurg, W. ^{[2
]}

Waltenberger, W. ^{[2
]}

Wulz, C. -E. ^{[2
,192
]}

Mossolov, V. ^{[3
]}

Shumeiko, N. ^{[3
]}

Gonzalez, J. Suarez ^{[3
]}

Alderweireldt, S. ^{[4
]}

Cornelis, T. ^{[4
]}

De Wolf, E. A. ^{[4
]}

Janssen, X. ^{[4
]}

Knutsson, A. ^{[4
]}

Lauwers, J. ^{[4
]}

Luyckx, S. ^{[4
]}

Ochesanu, S. ^{[4
]}

Rougny, R. ^{[4
]}

De Klundert, M. Van ^{[4
]}

Van Haevermaet, H. ^{[4
]}

Van Mechelen, P. ^{[4
]}

Van Remortel, N. ^{[4
]}

机构：

[1] Yerevan Phys Inst, Yerevan 375036, Armenia

[2] Inst Hochenergiephys OeAW, Vienna, Austria

[3] Natl Ctr Particle & High Energy Phys, Minsk, BELARUS

[4] Univ Antwerp, B-2020 Antwerp, Belgium

[5] Vrije Univ Brussel, Brussels, Belgium

[6] Univ Libre Bruxelles, Brussels, Belgium

[7] Univ Ghent, B-9000 Ghent, Belgium

[8] Catholic Univ Louvain, Louvain La Neuve, Belgium

[9] Univ Mons, B-7000 Mons, Belgium

[10] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil

[11] Univ Estado Rio de Janeiro, BR-20550011 Rio De Janeiro, Brazil

[12] Univ Estadual Paulista, Sao Paulo, Brazil

[13] Univ Fed ABC, Sao Paulo, Brazil

[14] Bulgarian Acad Sci, Inst Nucl Res & Nucl Energy, Sofia, Bulgaria

[15] Univ Sofia, BU-1126 Sofia, Bulgaria

[16] Inst High Energy Phys, Beijing 100039, Peoples R China

[17] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing 100871, Peoples R China

[18] Univ Los Andes, Bogota, Colombia

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

[20] Univ Split, Fac Sci, Split, Croatia

[21] Rudjer Boskovic Inst, Zagreb 10000, Croatia

[22] Univ Cyprus, CY-1678 Nicosia, Cyprus

[23] Charles Univ Prague, Prague, Czech Republic

[24] Egyptian Network High Energy Phys, Acad Sci Res & Technol Arab Republ Egypt, Cairo, Egypt

[25] NICPB, Tallinn, Estonia

[26] Univ Helsinki, Dept Phys, Helsinki, Finland

[27] Helsinki Inst Phys, Helsinki, Finland

[28] Lappeenranta Univ Technol, Lappeenranta, Finland

[29] CEA Saclay, DSM IRFU, F-91191 Gif Sur Yvette, France

[30] Ecole Polytech, IN2P3 CNRS, Lab Leprince Ringuet, Palaiseau, France

[31] Univ Haute Alsace Mulhouse, Univ Strasbourg, CNRS IN2P3, Inst Pluridisciplinaire Hubert Curien, Strasbourg, France

[32] CNRS IN2P3, Inst Natl Phys Nucl & Phys Particules, Ctr Calcul, Villeurbanne, France

[33] Univ Lyon 1, CNRS IN2P3, Inst Phys Nucl Lyon, F-69622 Villeurbanne, France

[34] Georgian Tech Univ, Tbilisi, Georgia

[35] Tbilisi State Univ, GE-380086 Tbilisi, Georgia

[36] Rhein Westfal TH Aachen, Phys Inst 1, Aachen, Germany

[37] Rhein Westfal TH Aachen, Phys Inst A 3, Aachen, Germany

[38] Rhein Westfal TH Aachen, Phys Inst B 3, Aachen, Germany

[39] Deutsch Elekt Synchrotron, Hamburg, Germany

[40] Univ Hamburg, Hamburg, Germany

[41] Univ Karlsruhe, Inst Expt Kernphys, Karlsruhe, Germany

[42] NCSR Demokritos, INPP, Aghia Paraskevi, Greece

[43] Univ Athens, Athens, Greece

[44] Univ Ioannina, GR-45110 Ioannina, Greece

[45] Wigner Res Ctr Phys, Budapest, Hungary

[46] Inst Nucl Res ATOMKI, Debrecen, Hungary

[47] Univ Debrecen, Debrecen, Hungary

[48] Natl Inst Sci Educ & Res, Bhubaneswar, Orissa, India

[49] Panjab Univ, Chandigarh 160014, India

[50] Univ Delhi, Delhi 110007, India

来源：

PHYSICAL REVIEW LETTERS | 2016年 / 116卷 / 03期

基金：

巴西圣保罗研究基金会; 美国国家科学基金会; 芬兰科学院;

关键词：

MONTE-CARLO; ENERGY-LOSS;

D O I：

10.1103/PhysRevLett.116.032301

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

The production cross sections of the B+, B-0, and B-s(0) mesons, and of their charge conjugates, are measured via exclusive hadronic decays in p + Pb collisions at the center-of-mass energy root s(NN) = 5.02 TeV with the CMS detector at the CERN LHC. The data set used for this analysis corresponds to an integrated luminosity of 34.6 nb(-1). The production cross sections are measured in the transverse momentum range between 10 and 60 GeV/c. No significant modification is observed compared to proton-proton perturbative QCD calculations scaled by the number of incoherent nucleon-nucleon collisions. These results provide a baseline for the study of in-medium b quark energy loss in Pb + Pb collisions.

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页数：18

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