Artículos de revistas
Measurement of quarkonium production cross sections in pp collisions at root s=13 TeV
Fecha
2018-05-10Registro en:
Physics Letters B. Amsterdam: Elsevier Science Bv, v. 780, p. 251-272, 2018.
0370-2693
10.1016/j.physletb.2018.02.033
WOS:000432187800041
WOS000432187800041.pdf
Autor
CERN
Yerevan Phys Inst
Inst Hochenergiephys
Inst Nucl Problems
Univ Antwerp
Vrije Univ Brussel
Univ Libre Bruxelles
Univ Ghent
Catholic Univ Louvain
Univ Mons
Ctr Brasileiro Pesquisas Fis
Universidade do Estado do Rio de Janeiro (UERJ)
Universidade Estadual Paulista (Unesp)
Universidade Federal do ABC (UFABC)
Bulgarian Acad Sci
Univ Sofia
Beihang Univ
Inst High Energy Phys
Peking Univ
Univ Los Andes
Univ Split
Inst Rudjer Boskov
Univ Cyprus
Charles Univ Prague
Univ San Francisco Quito
Acad Sci Res & Technol Arab Republ Egypt
NICPB
Univ Helsinki
Helsinki Inst Phys
Lappeenranta Univ Technol
Univ Paris Saclay
Univ Strasbourg
CNRS
Univ Claude Bernard Lyon 1
Georgian Tech Univ
Tbilisi State Univ
Rhein Westfal TH Aachen
Deutsch Elekt Synchrotron
Univ Hamburg
Inst Expt Kernphys
NCSR Demokritos
Univ Athens
Natl Tech Univ Athens
Univ Ioannina
Eotvos Lorand Univ
Wigner Res Ctr Phys
Inst Nucl Res ATOMKI
Univ Debrecen
Indian Inst Sci IISc
Natl Inst Sci Educ & Res
Panjab Univ
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HBNI
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Bhabha Atom Res Ctr
Tata Inst Fundamental Res A
Tata Inst Fundamental Res B
IISER
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Institución
Resumen
Differential production cross sections of prompt J/psi and psi(2S) charmonium and Upsilon(nS) (n = 1, 2, 3) bottomonium states are measured in proton-proton collisions at root s = 13 TeV, with data collected by the CMS detector at the LHC, corresponding to an integrated luminosity of 2.3 fb(-1) for the J/psi and 2.7 fb(-1) for the other mesons. The five quarkonium states are reconstructed in the dimuon decay channel, for dimuon rapidity vertical bar y vertical bar < 1.2. The double-differential cross sections for each state are measured as a function of y and transverse momentum, and compared to theoretical expectations. In addition, ratios are presented of cross sections for prompt psi(2S) to J/psi, Upsilon(2S) to Upsilon(1S), and Upsilon(3S) to Upsilon(1S) production. (C) 2018 The Author(s). Published by Elsevier B.V.