J/psi reaction mechanisms and suppression in the nuclear medium
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J/psi reaction mechanisms and suppression in the nuclear medium

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J/psi reaction mechanisms and suppression in the nuclear medium

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dc.contributor.author Molina Peralta, Raquel
dc.contributor.author Xiao, Chu Wen
dc.contributor.author Oset Báguena, Eulogio
dc.date.accessioned 2015-08-19T12:19:59Z
dc.date.available 2015-08-19T12:19:59Z
dc.date.issued 2012
dc.identifier.uri http://hdl.handle.net/10550/46686
dc.description.abstract Recent studies of the interaction of vector mesons with nuclei make possible and opportune the study of the interaction of the J/ψ with nuclei and the investigation of the origin of the J/ψ suppression in its propagation thorough a nuclear medium. We observe that the transition of J/ψN to VN with V being a light vector, ρ,ω,ϕ, together with the inelastic channels, J/ψN→D¯Λc and J/ψN→D¯Σc leads to a particular shape of the inelastic cross section. Analogously, we consider the mechanisms where the exchanged D collides with a nucleon and gives πΛc or πΣc. The cross section has a peak around s√=4415 MeV, where the J/ψN couples to a resonance predicted recently. We study the transparency ratio for electron induced J/ψ production in nuclei at about 10 GeV and find that 30 - 35% of the J/ψ produced in heavy nuclei are absorbed inside the nucleus. This ratio is in line with depletions of J/ψ though matter observed in other reactions.
dc.language.iso eng
dc.relation.ispartof Physical Review C, 2012, vol. 86, num. 1, p. 014604
dc.rights.uri info:eu-repo/semantics/openAccess
dc.source Molina Peralta, Raquel Xiao, Chu Wen Oset Báguena, Eulogio 2012 J/psi reaction mechanisms and suppression in the nuclear medium Physical Review C 86 1 014604
dc.subject Física
dc.title J/psi reaction mechanisms and suppression in the nuclear medium
dc.type info:eu-repo/semantics/article
dc.date.updated 2015-08-19T12:19:59Z
dc.identifier.doi http://dx.doi.org/10.1103/PhysRevC.86.014604
dc.identifier.idgrec 080194

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