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Study of coherent charmonium production in ultra-peripheral lead-lead collisions / LHCb Collaboration
The cross-sections of exclusive (coherent) photoproduction $J/\psi$ and $\psi(\mathrm{2S})$ mesons in ultra-peripheral PbPb collisions at a nucleon-nucleon centre-of-mass energy of $5.02\,\mathrm{TeV}$ are measured using a data sample corresponding to an integrated luminosity of $228\pm10\,\mathrm{\mu b}^{-1}$, collected by the LHCb experiment in 2018. The differential cross-sections are measured separately as a function of transverse momentum and rapidity in the nucleus-nucleus centre-of-mass frame for $J/\psi$ and $\psi(\mathrm{2S})$ mesons. [...]
arXiv:2206.08221; LHCb-PAPER-2022-012; CERN-EP-2022-108.- 2023-06-23 - 18 p. - Published in : JHEP 2306 (2023) 146 Figures: ZIP; Fulltext: 2206.08221 - PDF; document - PDF; Supplementary information: ZIP;

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