The production of ψ(2S) mesons in proton-lead collisions at a centre-of-mass energy per nucleon pair of sNN = 8.16 TeV is studied with the LHCb detector using data corresponding to an integrated luminosity of 34 nb−1. The prompt and nonprompt ψ(2S) production cross-sections and the ratio of the ψ(2S) to J/ψ cross-section are measured as a function of the meson transverse momentum and rapidity in the nucleon-nucleon centre-of-mass frame, together with forward-to-backward ratios and nuclear modification factors. The production of prompt ψ(2S) is observed to be more suppressed compared to pp collisions than the prompt J/ψ production, while the nonprompt productions have similar suppression factors.

Aaij, R., Abdelmotteleb, A., Abellan Beteta, C., Abudinen, F., Ackernley, T., Adeva, B., et al. (2024). Prompt and nonprompt ψ(2S) production in pPb collisions at sNN = 8.16 TeV. JOURNAL OF HIGH ENERGY PHYSICS, 2024(4) [10.1007/JHEP04(2024)111].

Prompt and nonprompt ψ(2S) production in pPb collisions at sNN = 8.16 TeV

Anelli A.;Borsato M.;Calvi M.;Capelli S.;Carniti P.;Fazzini D.;Gotti C.;Kirsebom V. S.;Malentacca L.;Martinelli M.;Minotti A.;Pizzichemi M.;Salomoni M.;Shields E. B.;
2024

Abstract

The production of ψ(2S) mesons in proton-lead collisions at a centre-of-mass energy per nucleon pair of sNN = 8.16 TeV is studied with the LHCb detector using data corresponding to an integrated luminosity of 34 nb−1. The prompt and nonprompt ψ(2S) production cross-sections and the ratio of the ψ(2S) to J/ψ cross-section are measured as a function of the meson transverse momentum and rapidity in the nucleon-nucleon centre-of-mass frame, together with forward-to-backward ratios and nuclear modification factors. The production of prompt ψ(2S) is observed to be more suppressed compared to pp collisions than the prompt J/ψ production, while the nonprompt productions have similar suppression factors.
Articolo in rivista - Articolo scientifico
Hadron-Hadron Scattering; Heavy Quark Production; Particle and Resonance Production; QCD;
English
19-apr-2024
2024
2024
4
111
none
Aaij, R., Abdelmotteleb, A., Abellan Beteta, C., Abudinen, F., Ackernley, T., Adeva, B., et al. (2024). Prompt and nonprompt ψ(2S) production in pPb collisions at sNN = 8.16 TeV. JOURNAL OF HIGH ENERGY PHYSICS, 2024(4) [10.1007/JHEP04(2024)111].
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/10281/530252
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