Fragmentation of jets containing a prompt J/ψ meson in PbPb and pp collisions at √sNN = 5.02 TeV

Fragmentation of jets containing a prompt J/ψ meson in PbPb and pp collisions at √sNN = 5.02 TeV

Jets containing a prompt J/psi meson are studied in lead-lead collisions at a nucleon-nucleon center-of mass energy of 5.02 TeV, using the CMS detector at the LHC. Jets are selected to be in the transverse momentum range of 30 <= pT <= 40 GeV. The J/psi yield in these jets is evaluated as a fu...

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Bibliographic Details
Published in:Physics Letters B Vol. 825. P. 136842 (1-25)
Other Authors: Tumasyan, Armen, Adam, Wolfgang, Bergauer, T., Borshch, Vladislav, Ivanchenko, Vladimir, Tcherniaev, Evgueni
Format: Article
Language:English
Subjects:
протон-протонные столкновения
фрагментация струй
мезоны
статьи в журналах
Online Access:http://vital.lib.tsu.ru/vital/access/manager/Repository/koha:001002633
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245 1 0 |a Fragmentation of jets containing a prompt J/ψ meson in PbPb and pp collisions at √sNN = 5.02 TeV  |c A. Tumasyan, W. Adam, T. Bergauer [et al.] 
336 |a Текст 
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520 3 |a Jets containing a prompt J/psi meson are studied in lead-lead collisions at a nucleon-nucleon center-of mass energy of 5.02 TeV, using the CMS detector at the LHC. Jets are selected to be in the transverse momentum range of 30 <= pT <= 40 GeV. The J/psi yield in these jets is evaluated as a function of the jet fragmentation variable z, the ratio of the J/psi T-p to the jet p(T). The nuclear modification factor, R-AA, is then derived by comparing the yield in lead-lead collisions to the corresponding expectation based on proton-proton data, at the same nucleon-nucleon center-of-mass energy. The suppression of the J/psi yield shows a dependence on z, indicating that the interaction of the J/psi with the quark-gluon plasma formed in heavy ion collisions depends on the fragmentation that gives rise to the J/psi meson. (C) 2021 The Author(s). Published by Elsevier B.V. This is an open access article under the CC BY license (http://creativecommons.org/licenses/by/4.0/). Funded by SCOAP3. 
653 |a протон-протонные столкновения 
653 |a фрагментация струй 
653 |a мезоны 
655 4 |a статьи в журналах 
700 1 |a Tumasyan, Armen 
700 1 |a Adam, Wolfgang 
700 1 |a Bergauer, T. 
700 1 |a Borshch, Vladislav 
700 1 |a Ivanchenko, Vladimir 
700 1 |a Tcherniaev, Evgueni 
773 0 |t Physics Letters B  |d 2022  |g Vol. 825. P. 136842 (1-25)  |x 0370-2693 
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908 |a статья 
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