Perturbative fragmentation of vector colored particle into bound states with a heavy antiquark

Details Perturbative fragmentation of vector colored particle into bound states with a heavy antiquark Perturbative fragmentation of vector colored particle into bound states with a heavy antiquark

1999-08-11

arxiv.org/abs/hep-ph/9908321v1

Phys.Atom.Nucl. 63 (2000) 1640-1645; Yad.Fiz. 63 (2000) 1728-1733

Physics

High Energy Physics

High Energy Physics - Phenomenology

10 pages, Latex file + 4 ps-figures

Scientific paper

10.1134/1.1312899

The fragmentation function of vector particle into possible bound S-wave states with a heavy antiquark is calculated in the leading order of perturbative QCD for the high energy processes at large transverse momenta with the different behaviour of anomalous chromomagnetic moment. One-loop equations are derived for the evolution of fragmentation function moments, which is caused by the emission of hard gluons by the vector particle. The integrated probabilities of fragmentation are given. The distribution of bound state over the transverse momentum with respect to the axis of fragmentation is calculated in the scaling limit.

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