Charmonium production in pp collisions at the LHC
May 16, 2022
An overview is given of the recent measurements of the differential cross-sections of charmonium production at the LHC. In particular, production of 𝐽/𝜓 and 𝜓(2S) mesons in a high transverse momentum range by ATLAS is presented, together with the measurements of the non-prompt fractions of 𝜓(2S) and 𝐽/𝜓, and of prompt and non-prompt production ratios of 𝜓(2S) to 𝐽/𝜓. The results are compared to other recent measurements of charmonium production by other LHC experiments, ALICE and CMS, which are found to be in a good agreement and show useful synergy between the various experiments.
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