Heavy Quarkonium Production and Propagation in Nuclei

Details Heavy Quarkonium Production and Propagation in Nuclei Heavy Quarkonium Production and Propagation in Nuclei

1997-12-09

arxiv.org/abs/hep-ph/9712320v1

Chin.J.Phys.35:857-865,1997

Physics

High Energy Physics

High Energy Physics - Phenomenology

8 pages (REVTeX), to be published in the Proceedings of International Symposium on Trends in Subatomic Physics, August 7-12, 1

Scientific paper

We describe a precursor in heavy quarkonium production in terms of a coherent admixture of states of different color, spin, and angular momentum quantum numbers, and obtain the production amplitudes for different quarkonium bound states by projecting out this precursor state onto these bound states. The precursor is absorbed in its passage through a nucleus in a pA reaction, and the total cross section between this precursor with a nucleon can be calculated with the two-gluon model of the Pomeron. Such a description of coherent precursors and their subsequent interactions with nucleons can explain many salient features of J/psi and psi' production in pA collisions.

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