J/psi Pair Production at the Tevatron

Details J/psi Pair Production at the Tevatron J/psi Pair Production at the Tevatron

2002-06-10

arxiv.org/abs/hep-ph/0206093v3

Phys.Rev.D66:057504,2002

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

10.1103/PhysRevD.66.057504

The double J/psi production in p\bar{p} collision is revisited. It is found that the J/\psi pair production rate at leading order with p_T > 4 GeV in conventional scheme is larger than the rate derived from color-octet mechanism by a factor of five. As the double J/psi production is shown to be attainable with data yet collected at the Tevatron detectors, experimental study on it would be helpful to clarify the validity of the conventional color-singlet description for heavy quarkonium production.

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