Charmonium production cross-section in proton-proton collisions is measured at the centre-of-mass energy √s = 13 TeV using decays to p anti-p final state. The study is performed using a data sample corresponding to an integrated luminosity of 2.2 fb^−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 < p_T < 20.0 GeV/c, which is extended compared with previous LHCb analyses. The differential cross-section is measured in bins of p_T 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.

Aaij, R., Abdelmotteleb, A.S.W., Beteta, C.A., Abudinén, F., Ackernley, T., Adefisoye, A.A., et al. (2024). Study of charmonium production via the decay to p anti-p at √s = 13 TeV. EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS, 84(12), 1-19 [10.1140/epjc/s10052-024-13478-y].

Study of charmonium production via the decay to p anti-p at √s = 13 TeV

Carbone, A.;Ferrari, F.;Galli, D.;Patrignani, C.;Spedicato, E.;Villa, A.;
2024

Abstract

Charmonium production cross-section in proton-proton collisions is measured at the centre-of-mass energy √s = 13 TeV using decays to p anti-p final state. The study is performed using a data sample corresponding to an integrated luminosity of 2.2 fb^−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 < p_T < 20.0 GeV/c, which is extended compared with previous LHCb analyses. The differential cross-section is measured in bins of p_T 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.
2024
Aaij, R., Abdelmotteleb, A.S.W., Beteta, C.A., Abudinén, F., Ackernley, T., Adefisoye, A.A., et al. (2024). Study of charmonium production via the decay to p anti-p at √s = 13 TeV. EUROPEAN PHYSICAL JOURNAL. C, PARTICLES AND FIELDS, 84(12), 1-19 [10.1140/epjc/s10052-024-13478-y].
Aaij, R.; Abdelmotteleb, A. S. W.; Beteta, C. Abellan; Abudinén, F.; Ackernley, T.; Adefisoye, A. A.; Adeva, B.; Adinolfi, M.; Adlarson, P.; Agapopoul...espandi
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11585/1006147
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