Study of Z boson production in pPb collisions at √SNN=5.02 TeV

被引:58
作者
Khachatryan, V. [1 ]
Sirunyan, A. M. [1 ]
Tumasyan, A.
Adam, W. [2 ]
Asilar, E. [2 ]
Bergauer, T. [2 ]
Brandstetter, J. [2 ]
Brondolin, E. [2 ]
Dragicevic, M. [2 ]
Ero, J. [2 ]
Flechl, M. [2 ]
Friedl, M. [2 ]
Fruhwirth, R. [2 ,191 ]
Ghete, V. M. [2 ]
Hartl, C. [2 ]
Hormann, N. [2 ]
Hrubec, J. [2 ]
Jeitler, M. [2 ,191 ]
Knunz, V. [2 ]
Konig, A. [2 ]
Krammer, M. [2 ,191 ]
Kratschmer, I. [2 ]
Liko, D. [2 ]
Matsushita, T. [2 ]
Mikulec, I. [2 ]
Rabady, D. [2 ,126 ]
Rad, N. [2 ]
Rahbaran, B. [2 ]
Rohringer, H. [2 ]
Schieck, J. [2 ,191 ]
Schofbeck, R. [2 ]
Strauss, J. [2 ]
Treberer-Treberspurg, W. [2 ]
Waltenberger, W. [2 ]
Wulz, C. -E. [2 ,191 ]
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 ]
Van De Klundert, M. [4 ]
Van Haevermaet, H. [4 ]
Van Mechelen, P. [4 ]
Van Remortel, N. [4 ]
Van Spilbeeck, A. [4 ]
机构
[1] Yerevan Phys Inst, Yerevan, Armenia
[2] Inst Hochenergie Phys OeAW, Vienna, Austria
[3] Natl Ctr Particle & High Energy Phys, Minsk, BELARUS
[4] Univ Antwerp, Antwerp, Belgium
[5] Vrije Univ Brussel, Brussels, Belgium
[6] Univ Libre Bruxelles, Brussels, Belgium
[7] Univ Ghent, Ghent, Belgium
[8] Univ Catholic Louvain, Louvain La Neuve, Belgium
[9] Univ Mons, Mons, Belgium
[10] Ctr Brasileiro Pesquisas Fis, Rio De Janeiro, Brazil
[11] Univ Estado Rio de Janeiro, Rio De Janeiro, Brazil
[12] Univ Estadual Paulista, Sao Paulo, Brazil
[13] Univ Fed ABC, Sao Paulo, Brazil
[14] Inst Nucl Energy Res, Sofia, Bulgaria
[15] Univ Sofia, Sofia, Bulgaria
[16] Inst High Energy Phys, Beijing, Peoples R China
[17] Peking Univ, State Key Lab Nucl Phys & Technol, Beijing, 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] Inst Rudjer Boskov, Zagreb, Croatia
[22] Univ Cyprus, Nicosia, Cyprus
[23] Charles Univ Prague, Prague, Czech Republic
[24] Acad Sci Res & Technol Arab Republ Egypt, Egyptian Network High Energy Phys, 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, Gif Sur Yvette, France
[30] Ecole Polytech, CNRS, IN2P3, Lab Leprince Ringuet, Palaiseau, France
[31] Univ Strasbourg, Univ Haute Alsace Mulhouse, Inst Pluridisciplinaire Hubert Curien, CNRS IN2P3, Strasbourg, France
[32] Ctr Calcul Inst Natl Phys Nucl & Phys Particules, CNRS IN2P3, Villeurbanne, France
[33] Univ Lyon 1, CNRS, IN2P3, Inst Phys Nucl Lyon, Villeurbanne, France
[34] Georgian Tech Univ, Tbilisi, Georgia
[35] Tbilisi State Univ, Tbilisi, Georgia
[36] Rhein Westfal TH Aachen, Inst Phys 1, Aachen, Germany
[37] Rhein Westfal TH Aachen, Inst Phys A 3, Aachen, Germany
[38] Rhein Westfal TH Aachen, Inst Phys B 3, Aachen, Germany
[39] DESY, Hamburg, Germany
[40] Univ Hamburg, Hamburg, Germany
[41] Inst Expt Kernphys, Karlsruhe, Germany
[42] NCSR Demokritos, Inst Nucl & Particle Phys, Aghia Paraskevi, Greece
[43] Natl & Kapodistrian Univ Athens, Athens, Greece
[44] Univ Ioannina, 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, India
[50] Univ Delhi, Delhi, India
基金
美国国家科学基金会; 巴西圣保罗研究基金会; 芬兰科学院; 欧洲研究理事会;
关键词
CMS; Physics; Heavy ions; PARTON;
D O I
10.1016/j.physletb.2016.05.044
中图分类号
P1 [天文学];
学科分类号
0704 ;
摘要
The production of Z bosons in pPb collisions at root S-NN = 5.02 TeV is studied by the CMS experiment via the electron and muon decay channels. The inclusive cross section is compared to pp collision predictions, and found to scale with the number of elementary nucleon-nucleon collisions. The differential cross sections as a function of the Z boson rapidity and transverse momentum are measured. Though they are found to be consistent within uncertainty with theoretical predictions both with and without nuclear effects, the forward-backward asymmetry suggests the presence of nuclear effects at large rapidities. These results provide new data for constraining nuclear parton distribution functions. (C) 2016 The Author. Published by Elsevier B.V.
引用
收藏
页码:36 / 57
页数:22
相关论文
共 41 条
[1]  
Aad G, 2015, EUR PHYS J C, V75, DOI 10.1140/epjc/s10052-014-3231-6
[2]   Measurement of Z Boson Production in Pb-Pb Collisions at √sNN=2.76 TeV with the ATLAS Detector [J].
Aad, G. ;
Abajyan, T. ;
Abbott, B. ;
Abdallah, J. ;
Khalek, S. Abdel ;
Abdelalim, A. A. ;
Abdinov, O. ;
Aben, R. ;
Abi, B. ;
Abolins, M. ;
AbouZeid, O. S. ;
Abramowicz, H. ;
Abreu, H. ;
Acharya, B. S. ;
Adamczyk, L. ;
Adams, D. L. ;
Addy, T. N. ;
Adelman, J. ;
Adomeit, S. ;
Adragna, P. ;
Adye, T. ;
Aefsky, S. ;
Aguilar-Saavedra, J. A. ;
Agustoni, M. ;
Aharrouche, M. ;
Ahlen, S. P. ;
Ahles, F. ;
Ahmad, A. ;
Ahsan, M. ;
Aielli, G. ;
Akdogan, T. ;
Akesson, T. P. A. ;
Akimoto, G. ;
Akimov, A. V. ;
Alam, M. S. ;
Alam, M. A. ;
Albert, J. ;
Albrand, S. ;
Aleksa, M. ;
Aleksandrov, I. N. ;
Alessandria, F. ;
Alexa, C. ;
Alexander, G. ;
Alexandre, G. ;
Alexopoulos, T. ;
Alhroob, M. ;
Aliev, M. ;
Alimonti, G. ;
Alison, J. ;
Allbrooke, B. M. M. .
PHYSICAL REVIEW LETTERS, 2013, 110 (02) :022301-1
[3]   Measurement of the inclusive W± and Z/γ* cross sections in the e and μ decay channels in pp collisions at √s=7 TeV with the ATLAS detector [J].
Aad, G. ;
Abbott, B. ;
Abdallah, J. ;
Abdelalim, A. A. ;
Abdesselam, A. ;
Abdinov, O. ;
Abi, B. ;
Abolins, M. ;
Abramowicz, H. ;
Abreu, H. ;
Acerbiab, E. ;
Acharyaab, B. S. ;
Adams, D. L. ;
Addy, T. N. ;
Adelman, J. ;
Aderholz, M. ;
Adomeit, S. ;
Adragna, P. ;
Adye, T. ;
Aefsky, S. ;
Aguilar-Saavedrab, J. A. ;
Aharrouche, M. ;
Ahlen, S. P. ;
Ahles, F. ;
Ahmad, A. ;
Ahsan, M. ;
Aielli, G. ;
Akdogana, T. ;
Akesson, T. P. A. ;
Akimoto, G. ;
Akimov, A. V. ;
Akiyama, A. ;
Alam, M. S. ;
Alam, M. A. ;
Albert, J. ;
Albrand, S. ;
Aleksa, M. ;
Aleksandrov, I. N. ;
Alessandriaa, F. ;
Alexaa, C. ;
Alexander, G. ;
Alexandre, G. ;
Alexopoulos, T. ;
Alhroob, M. ;
Aliev, M. ;
Alimontia, G. ;
Alison, J. ;
Aliyev, M. ;
Allport, P. P. ;
Allwood-Spiers, S. E. .
PHYSICAL REVIEW D, 2012, 85 (07)
[4]   Measurement of the transverse momentum distribution of Z/γ* bosons in proton-proton collisions at √s=7 TeV with the ATLAS detector [J].
Aad, G. ;
Abbott, B. ;
Abdallah, J. ;
Abdelalim, A. A. ;
Abdesselam, A. ;
Abdinov, O. ;
Abi, B. ;
Abolins, M. ;
Abramowicz, H. ;
Abreu, H. ;
Acerbi, E. ;
Acharya, B. S. ;
Adams, D. L. ;
Addy, T. N. ;
Adelman, J. ;
Aderholz, M. ;
Adomeit, S. ;
Adragna, P. ;
Adye, T. ;
Aefsky, S. ;
Aguilar-Saavedra, J. A. ;
Aharrouche, M. ;
Ahlen, S. P. ;
Ahles, F. ;
Ahmad, A. ;
Ahsan, M. ;
Aielli, G. ;
Akdogan, T. ;
Akesson, T. P. A. ;
Akimoto, G. ;
Akimov, A. V. ;
Akiyama, A. ;
Alam, M. S. ;
Alam, M. A. ;
Albert, J. ;
Albrand, S. ;
Aleksa, M. ;
Aleksandrov, I. N. ;
Alessandria, F. ;
Alexa, C. ;
Alexander, G. ;
Alexandre, G. ;
Alexopoulos, T. ;
Alhroob, M. ;
Aliev, M. ;
Alimonti, G. ;
Alison, J. ;
Aliyev, M. ;
Allport, P. P. ;
Allwood-Spiers, S. E. .
PHYSICS LETTERS B, 2011, 705 (05) :415-434
[5]  
Aaij R, 2013, J HIGH ENERGY PHYS, DOI 10.1007/JHEP02(2013)106
[6]   Study of W boson production in pPb collisions at √SNN=5.02 TeV [J].
Adam, W. ;
Bergauer, T. ;
Dragicevic, M. ;
Eroe, J. ;
Friedl, M. ;
Fruehwirth, R. ;
Ghete, V. M. ;
Hartl, C. ;
Hoermann, N. ;
Hrubec, J. ;
Jeitler, M. ;
Kiesenhofer, W. ;
Knuenz, V. ;
Krammer, M. ;
Kraetschmer, I. ;
Liko, D. ;
Mikulec, I. ;
Rabady, D. ;
Rahbaran, B. ;
Rohringer, H. ;
Schoefbeck, R. ;
Strauss, J. ;
Treberer-Treberspurg, W. ;
Waltenberger, W. ;
Wulz, C. -E. ;
Mossolov, V. ;
Shumeiko, N. ;
Gonzalez, J. Suarez ;
Alderweireldt, S. ;
Bansal, S. ;
Cornelis, T. ;
De Wolf, E. A. ;
Janssen, X. ;
Knutsson, A. ;
Lauwers, J. ;
Luyckx, S. ;
Ochesanu, S. ;
Rougny, R. ;
De Klundert, M. Van ;
Van Haevermaet, H. ;
Van Mechelen, P. ;
Van Remortel, N. ;
Van Spilbeeck, A. ;
Blekman, F. ;
Blyweert, S. ;
D'Hondt, J. ;
Daci, N. ;
Heracleous, N. ;
Keaveney, J. ;
Lowette, S. .
PHYSICS LETTERS B, 2015, 750 :565-586
[7]  
Ade PAR, 2015, PHYS REV D, V92, DOI [10.1103/PhysRevD.92.123509, 10.1103/PhysRevC.92.044915]
[8]   GEANT4-a simulation toolkit [J].
Agostinelli, S ;
Allison, J ;
Amako, K ;
Apostolakis, J ;
Araujo, H ;
Arce, P ;
Asai, M ;
Axen, D ;
Banerjee, S ;
Barrand, G ;
Behner, F ;
Bellagamba, L ;
Boudreau, J ;
Broglia, L ;
Brunengo, A ;
Burkhardt, H ;
Chauvie, S ;
Chuma, J ;
Chytracek, R ;
Cooperman, G ;
Cosmo, G ;
Degtyarenko, P ;
Dell'Acqua, A ;
Depaola, G ;
Dietrich, D ;
Enami, R ;
Feliciello, A ;
Ferguson, C ;
Fesefeldt, H ;
Folger, G ;
Foppiano, F ;
Forti, A ;
Garelli, S ;
Giani, S ;
Giannitrapani, R ;
Gibin, D ;
Cadenas, JJG ;
González, I ;
Abril, GG ;
Greeniaus, G ;
Greiner, W ;
Grichine, V ;
Grossheim, A ;
Guatelli, S ;
Gumplinger, P ;
Hamatsu, R ;
Hashimoto, K ;
Hasui, H ;
Heikkinen, A ;
Howard, A .
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 2003, 506 (03) :250-303
[9]   NLO vector-boson production matched with shower in POWHEG [J].
Alioli, Simone ;
Nason, Paolo ;
Oleari, Carlo ;
Re, Emanuele .
JOURNAL OF HIGH ENERGY PHYSICS, 2008, (07)
[10]   A general framework for implementing NLO calculations in shower Monte Carlo programs: the POWHEG BOX [J].
Alioli, Simone ;
Nason, Paolo ;
Oleari, Carlo ;
Re, Emanuele .
JOURNAL OF HIGH ENERGY PHYSICS, 2010, (06)