Résumé
Charmonium production cross-section in proton–proton collisions is measured at the centre-of-mass energy s=13TeV using decays to pp¯ final state. The study is performed using a data sample corresponding to an integrated luminosity of 2.2fb-1 collected in 2018 with the LHCb detector. The production cross-section of the ηc meson is measured in a rapidity range of 2.0<y<4.0 and in a transverse momentum range of 5.0<pT<20.0GeV/c, which is extended compared with previous LHCb analyses. The differential cross-section is measured in bins of pT and, for the first time, of y. Upper limits, at 90% and 95% confidence levels, on the ηc(2S) and hc(1P) prompt production cross-sections are determined for the first time.
| langue originale | Anglais |
|---|---|
| Numéro d'article | 1274 |
| journal | European Physical Journal C |
| Volume | 84 |
| Numéro de publication | 12 |
| Les DOIs | |
| état | Publié - 1 déc. 2024 |
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