The ratio of prompt production cross-sections of Psi(2S) and J/Psi mesons in their dimuon final state is measured as a function of centrality, using data collected by the LHCb detector in PbPb collisions at sNN = 5.02 TeV, for the first time in the forward rapidity region. The measured ratio shows no dependence on the collision centrality, and is compared to the latest theory predictions and to the recent measurements in literature.

Measurement of the Psi(2S) to J/Psi cross-section ratio as a function of centrality in PbPb collisions at sNN = 5.02 TeV

Bassi G.
Membro del Collaboration Group
;
Kleijne N.
Membro del Collaboration Group
;
Morello M. J.
Membro del Collaboration Group
;
Passaro D.
Membro del Collaboration Group
;
Pica L.
Membro del Collaboration Group
;
Riccardi D.
Membro del Collaboration Group
;
2025

Abstract

The ratio of prompt production cross-sections of Psi(2S) and J/Psi mesons in their dimuon final state is measured as a function of centrality, using data collected by the LHCb detector in PbPb collisions at sNN = 5.02 TeV, for the first time in the forward rapidity region. The measured ratio shows no dependence on the collision centrality, and is compared to the latest theory predictions and to the recent measurements in literature.
2025
Settore FIS/01 - Fisica Sperimentale
Settore PHYS-01/A - Fisica sperimentale delle interazioni fondamentali e applicazioni
Forward Physics; Hadron-Hadron Scattering; Quarkonium; Relativistic Heavy Ion Physics
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11384/163243
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