Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/8556
Title: Measurement of Exclusive Υ Photoproduction From Protons in P Pb Collisions at √snn=5.02tev
Authors: Sirunyan, A.M.
Tumasyan, A.
Adam, W.
Ambrogi, F.
Asilar, E.
Bergauer, T.
Soares, M.S.
Keywords: Cms
Photoproduction
Ppb
Upc
Y
Publisher: Springer Nature
Abstract: The exclusive photoproduction of Υ (nS) meson states from protons, γp→Υ(nS)p (with n = 1 , 2 , 3), is studied in ultraperipheral p Pb collisions at a centre-of-mass energy per nucleon pair of sNN=5.02TeV. The measurement is performed using the Υ (nS) → μ+μ- decay mode, with data collected by the CMS experiment corresponding to an integrated luminosity of 32.6nb-1. Differential cross sections as functions of the Υ (nS) transverse momentum squared pT2, and rapidity y, are presented. The Υ (1 S) photoproduction cross section is extracted in the rapidity range | y| < 2.2 , which corresponds to photon–proton centre-of-mass energies in the range 91<Wγp<826GeV. The data are compared to theoretical predictions based on perturbative quantum chromodynamics and to previous measurements. © 2019, CERN for the benefit of the CMS collaboration.
URI: https://doi.org/10.1140/epjc/s10052-019-6774-8
ISSN: 1434-6044
Appears in Collections:PubMed İndeksli Yayınlar Koleksiyonu / PubMed Indexed Publications Collection
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Scopus İndeksli Yayınlar Koleksiyonu / Scopus Indexed Publications Collection
WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

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