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Adinolfi, M.; Ao, D.; Archilli, F.; Audurier, B.; Bachmann, S.; Beck, A.; Birch, M.; Bitadze, A.; Blake, T.; Blanc, F.; Bolognani, C. S.; Burke, A. T.; Camargo Magalhaes, P.; Carli, I.; Casais Vidal, A.; Cavallero, G.; Ciezarek, G.; Cogan, J.; Cogneras, E.; Collins, P.; De Simone, D.; de Vries, J. A.; Donohoe, A. M.; Esen, S.; Forty, R.; Gandelman, M.; Gibson, V.; Giovannetti, M.; Greeven, L. M.; Gromov, S.; Gushchin, E.; Hao, L.; Heinicke, K.; Hollitt, S. E.; Hou, Y.; Hu, J.; Hushchyn, M.; Idzik, M.; Ilin, D.; Jiang, Y.; Kenzie, M.; Kirn, T.; Kopciewicz, P.; Kot, O.; Kravchuk, L.; Kupsc, A.; Lee, S. H.; Leflat, A.; Lin, T.; Lisovskyi, V.; Ma, R.; Marshall, P. J.; Mattioli, K. R.; Melnychuk, D.; Moise, R. D.; Obraztsov, V.; O’Hanlon, D. P.; Pagare, B.; Palutan, M.; Pawley, C. J.; Piandani, R.; Pisani, F.; Ponce, S.; Poslavskii, S.; Renaudin, V.; Ricciardi, S.; Rinnert, K.; Robbe, P.; Rodrigues, A. B.; Rollings, A.; Ruf, T.; Ryzka, J.; Sanderswood, I.; Sarti, A.; Saur, M.; Savrina, D.; Sazak, H.; Schmidt, B.; Schune, M. H.; Shields, E. B.; Silva Coutinho, R.; Skuza, R.; Solovev, A.; Stevens, H.; Tan, Y.; Tanner, A. R.; Trilov, S. M.; Unverzagt, D. J.; Vagner, A.; Volle, F. C.; Waldi, R.; Wang, X.; Wei, Y.; Wu, H.; Xu, Q.; Yang, D.; Yang, Y.; Yuan, X.; Zou, Q.; Zuliani, D.
European physical journal. C, Particles and fields, 07/2023, Letnik: 83, Številka: 7Journal Article
Abstract The first measurement of $${{J}/\psi }$$ J / ψ and $${{D}} ^0$$ D 0 production in PbNe collisions by the LHCb experiment in its fixed-target configuration is reported. The production of $${{J}/\psi }$$ J / ψ and $${{D}} ^0$$ D 0 mesons is studied with a beam of lead ions with an energy of 2.5 $$\,\text {TeV}$$ TeV per nucleon colliding on gaseous neon targets at rest, corresponding to a nucleon-nucleon centre-of-mass energy of $$\sqrt{s_{\scriptscriptstyle \text {NN}}} =68.5\,\text {GeV} $$ s NN = 68.5 GeV . The $${{J}/\psi }$$ J / ψ / $${{D}} ^0$$ D 0 production cross-section ratio is studied as a function of rapidity, transverse momentum and collision centrality. These data are compared with measurements from $$p\text {Ne}$$ p Ne collisions at the same energy and show no difference in the observed $${{J}/\psi }$$ J / ψ suppression trend when comparing $$p\text {Ne}$$ p Ne and PbNe peripheral collisions with PbNe central collisions.
