Article: J/psi production and nuclear effects for d + Au and p + p collisions at square root of S(NN) = 200 GeV.
2006 Volume 96, Issue 1, Page(s) 12304
Abstract: J/psi production in d + Au and p + p collisions at square root of S(NN) = 200 GeV has been measured ... by the PHENIX experiment at rapidities -2.2 < y < +2.4. The cross sections and nuclear dependence of J/psi ... production versus rapidity, transverse momentum, and centrality are obtained and compared to lower energy p ...
Abstract | J/psi production in d + Au and p + p collisions at square root of S(NN) = 200 GeV has been measured by the PHENIX experiment at rapidities -2.2 < y < +2.4. The cross sections and nuclear dependence of J/psi production versus rapidity, transverse momentum, and centrality are obtained and compared to lower energy p + A results and to theoretical models. The observed nuclear dependence in d + Au collisions is found to be modest, suggesting that the absorption in the final state is weak and the shadowing of the gluon distributions is small and consistent with Dokshitzer-Gribov-Lipatov-Altarelli-Parisi-based parametrizations that fit deep-inelastic scattering and Drell-Yan data at lower energies. |
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Language | English |
Publishing date | 2006-01-13 |
Publishing country | United States |
Document type | Journal Article |
ZDB-ID | 208853-8 |
ISSN | 1079-7114 ; 0031-9007 |
ISSN (online) | 1079-7114 |
ISSN | 0031-9007 |
DOI | 10.1103/PhysRevLett.96.012304 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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