Photoproduction of quarkonium in proton-proton and nucleus-nucleus collisions

We discuss the photoproduction of Upsilon and J/psi at high energy pp, pp, and heavy ion colliders. We predict large rates in pp interactions at the Fermilab Tevatron and in pp and heavy ion interactions at the CERN Large Hadron Collider. The J/psi is also produced copiously at the Relativistic Heav...

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Bibliographic Details
Published inPhysical review letters Vol. 92; no. 14; p. 142003
Main Authors Klein, Spencer R, Nystrand, Joakim
Format Journal Article
LanguageEnglish
Published United States 09.04.2004
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Summary:We discuss the photoproduction of Upsilon and J/psi at high energy pp, pp, and heavy ion colliders. We predict large rates in pp interactions at the Fermilab Tevatron and in pp and heavy ion interactions at the CERN Large Hadron Collider. The J/psi is also produced copiously at the Relativistic Heavy Ion Collider. These reactions can be used to study the gluon distribution in protons and heavy nuclei. We also show that the different CP symmetries of the initial states lead to large differences in the transverse momentum spectra of mesons produced in pp vs pp collisions.
ISSN:0031-9007
1079-7114
DOI:10.1103/physrevlett.92.142003