Please use this identifier to cite or link to this item: https://hdl.handle.net/11147/8508
Title: Measurement of B-s(0) meson production in pp and PbPb collisions at root S-NN=5.02 TeV
Authors: Sirunyan, A. M.
Tumasyan, A.
Adam, W.
Ambrogi, F.
Asilar, E.
Bergauer, T.
Karapınar, Güler
CMS Collaboration
Keywords: Physics
Quark gluon plasma
B meson
Open heavy-flavor
Issue Date: 2019
Publisher: Elsevier Ltd.
Abstract: The production cross sections of B-s(0) mesons and charge conjugates are measured in proton-proton (pp) and PbPb collisions via the exclusive decay channel B-s(0)-> J/ psi phi ->mu(+) mu(-) K+K- at a center-of-mass energy of 5.02 TeV per nucleon pair and within the rapidity range vertical bar y vertical bar < 2.4 using the CMS detector at the LHC. The pp measurement is performed as a function of transverse momentum (P-T) of the B-s(0), mesons in the range of 7 to 50 GeV/c and is compared to the predictions of perturbative QCD calculations. The B s production yield in PbPb collisions is measured in two F t intervals, 7 to 15 and 15 to 50 GeV/c, and compared to the yield in pp collisions in the same kinematic region. The nuclear modification factor (R-AA) is found to be 1.5 +/- 0.6(stat) +/- 0.5(syst) for 7-15 GeV/c, and 0.87 +/- 0.30(stat) +/- 0.1 7(syst) for 15-50 GeV/c, respectively. Within current uncertainties, the B-s(0) results are consistent with models of strangeness enhancement, and suppression by parton energy loss, as observed for the B+ mesons. Published by Elsevier B.V.
Description: WOS: 000483426200025
URI: https://doi.org/10.1016/j.physletb.2019.07.014
https://hdl.handle.net/11147/8508
ISSN: 0370-2693
Appears in Collections:WoS İndeksli Yayınlar Koleksiyonu / WoS Indexed Publications Collection

Show full item record

CORE Recommender

SCOPUSTM   
Citations

6
checked on Nov 27, 2021

WEB OF SCIENCETM
Citations

6
checked on Nov 27, 2021

Page view(s)

14
checked on Dec 1, 2021

Google ScholarTM

Check

Altmetric


Items in GCRIS Repository are protected by copyright, with all rights reserved, unless otherwise indicated.