J / ψ photoproduction in Pb-Pb peripheral collisions at √ s N N = 5 TeV

K. De Bruyn, C. J. G. Onderwater, M. van Veghel, LHCb Collaboration

Research output: Contribution to journalLetterAcademicpeer-review

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Abstract

The photoproduction of
J
/
ψ
mesons at low transverse momentum is studied in peripheral lead-lead collisions collected by the LHCb Collaboration at a center-of-mass energy per nucleon pair of
5
TeV
, corresponding to an integrated luminosity of 210
μ
b

1
. The
J
/
ψ
candidates are reconstructed through the prompt decay into two muons of opposite charge in the rapidity region of
2.0
<
y
<
4.5
. The results significantly improve previous measurements and are compared to the latest theoretical prediction.
Original languageEnglish
Article numberL03220
Number of pages10
JournalPhysical Review C
Volume105
Issue number3
DOIs
Publication statusPublished - 3-Mar-2022

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