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

 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...

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Bibliographic Details
Authors: Comerma Montells, Albert, Garcia Moreno, Paula, Garrido Beltrán, Lluís, Gioventù, Alessandra, Gironella Gironell, Pere, Gomez Fernandez, Sergio, Graugés Pous, Eugeni, Lobo Salvia, Aniol, López Huertas, Albert, Manera Escalero, Rafel, Marin Benito, Carla, Mauricio Ferre, Joan, Alfonso Albero, Alejandro, Vazquez Gomez, Ricardo, LHCb Collaboration
Format: article
Status:Published version
Publication Date:2024
Country:España
Institution:Universidad de Barcelona
Repository:Dipòsit Digital de la UB
OAI Identifier:oai:diposit.ub.edu:2445/222016
Online Access:https://hdl.handle.net/2445/222016
Access Level:Open access
Keyword:Cromodinàmica quàntica
Hadrons
Física de partícules
Quantum chromodynamics
Particle physics
Description
Summary: 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-ofmass frame, together with forward-to-backward ratios and nuclear modifcation 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.

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