J/psi Production via Fragmentation at the Tevatron

Details J/psi Production via Fragmentation at the Tevatron J/psi Production via Fragmentation at the Tevatron

1994-05-06

arxiv.org/abs/hep-ph/9405241v2

Phys.Rev.Lett. 73 (1994) 1586-1589

Physics

High Energy Physics

High Energy Physics - Phenomenology

LaTeX, 7 pages. Preprint FNT/T-94/13, LNF-94/024(P). Data taken from a reference were incorrect and have been changed. Complet

Scientific paper

10.1103/PhysRevLett.73.1586

The production of $\jpsi$ at large transverse momenta ($\pt > M_\jpsi$) in $p\bar p$ collisions is considered by including the mechanism of fragmentation. Both contributions of fragmentation to $\jpsi$ and of fragmentation to $\chi$ states followed by radiative decay to $\jpsi$ are taken into account. The latter is found to be dominant and larger than direct production. The overall theoretical estimate is shown to be nearly consistent with the experimental observation.

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