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Title
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Measurement of exclusive Upsilon photoproduction from protons in pPb collisions at =5.02 Tev
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Author
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Institution/Organisation
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CMS Collaboration
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Abstract
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| The exclusive photoproduction of (nS) meson states from protons, (nS) p (with n = 1, 2, 3), is studied in ultraperipheral pPb collisions at a centre-of-mass energy per nucleon pair of The measurement is performed using the decay mode, with data collected by the CMS experiment corresponding to an integrated luminosity of 32.6 nb(-1). Differential cross sections as functions of the nS) transverse momentum squared and rapidity y, are presented. The 1S) photoproduction cross section is extracted in the rapidity range < 2.2, which corresponds to photon-proton centre-of-mass energies in the range 91 W < 826 GeV. The data are compared to theoretical predictions based on perturbative quantum chromodynamics and to previous measurements. |
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Language
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English
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Source (journal)
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European physical journal : C : particles and fields. - Berlin
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Publication
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Berlin
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2019
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ISSN
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1434-6044
1434-6052
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DOI
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10.1140/EPJC/S10052-019-6774-8
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Volume/pages
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79
:3
(2019)
, 26 p.
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Article Reference
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277
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ISI
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000462673300003
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Pubmed ID
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31007586
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Medium
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E-only publicatie
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Full text (Publisher's DOI)
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Full text (open access)
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