2026-04-14T06:28:17Zhttps://recercat.cat/oai/request

oai:recercat.cat:2445/2206202025-12-05T16:15:49Zcom_2072_1057col_2072_478823col_2072_478904col_2072_478917

J/ψ and D0 production in √sNN = 68.5 GeV PbNe collisions Aaij, R. Alfonso Albero, Alejandro Garcia Moreno, Paula Garrido Beltrán, Lluís Gironella Gironell, Pere Gomez Fernandez, S. Graugés Pous, Eugeni Lobo Salvia, Aniol Marin Benito, Carla Mauricio, J. Vazquez Gomez, Ricardo LHCb Collaboration Col·lisions (Física) Hadrons Física de partícules Collisions (Physics) Hadrons Particle physics The first measurement of J/ψ and D0 production in PbNe collisions by the LHCb experiment in its fixed-target configuration is reported. The production of J/ψ and D0 mesons is studied with a beam of lead ions with an energy of 2.5 TeV per nucleon colliding on gaseous neon targets at rest, corresponding to a nucleon-nucleon centre-of-mass energy of √sNN = 68.5 GeV. The J/ψ/D0 production crosssection ratio is studied as a function of rapidity, transverse momentum and collision centrality. These data are compared with measurements from pNe collisions at the same energy and show no difference in the observed J/ψ suppression trend when comparing pNe and PbNe peripheral collisions with PbNe central collisions 2025-04-25T12:24:36Z 2025-04-25T12:24:36Z 2023 2025-04-25T12:24:36Z info:eu-repo/semantics/article info:eu-repo/semantics/publishedVersion 1434-6044 https://hdl.handle.net/2445/220620 757733 eng Reproducció del document publicat a: https://doi.org/10.1140/epjc/s10052-023-11674-w European Physical Journal C, 2023, vol. 83, num.658, p. 1-11 https://doi.org/10.1140/epjc/s10052-023-11674-w cc-by (c) Aaij, R. et al., 2023 http://creativecommons.org/licenses/by/4.0/ info:eu-repo/semantics/openAccess 11 p. application/pdf Società Italiana di Fisica & Springer Verlag Articles publicats en revistes (Física Quàntica i Astrofísica)