Suppression of non-prompt J/psi, prompt J/psi, and Y(1S) in PbPb collisions at sqrt(sNN) = 2.76 TeV.
Articolo
Data di Pubblicazione:
2012
Abstract:
Yields of prompt and non-prompt J/psi, as well as Y(1S) mesons, are measured by the CMS experiment via their dimuon decays in PbPb and pp collisions at sqrt(sNN) = 2.76 TeV for quarkonium rapidity |y|<2.4. Differential cross sections and nuclear modification factors are reported as functions of y and transverse momentum pt, as well as collision centrality. For prompt J/psi with relatively high pt (6.5
Tipologia CRIS:
1.1 Articolo in rivista
Keywords:
p p: scattering; J/psi(3100): hadroproduction; quarkonium: suppression; Upsilon(9460): hadroproduction; differential cross section: measured; transverse momentum: dependence; bottom: energy loss; quarkonium: leptonic decay; rapidity dependence; nuclear matter: effect; CMS; heavy ion: scattering; lead; J/psi(3100): direct production; track data analysis: vertex; dimuon: mass spectrum; impact parameter: dependence; experimental results; CERN LHC Coll
Elenco autori:
Baesso, PAOLO GIUSEPPE; Berzano, Umberto; Ratti, SERGIO PEPPINO; Riccardi, Cristina; Torre, Paola; Vitulo, Paolo; Viviani, Claudio
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