Heavy Quark Production Asymmetries

Details Heavy Quark Production Asymmetries Heavy Quark Production Asymmetries

1999-09-20

arxiv.org/abs/hep-ph/9909437v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

6 pages, 6 figures, to appear in the Proceedings of the International Europhysics Conference on High Energy Physics, Tampere,

Scientific paper

In the hadroproduction of charm (or heavy flavours in general) in the context of string fragmentation, the pull of a beam remnant at the other end of a string may give a charm hadron more energy than the perturbatively produced one. The collapse of a low-mass string to a single hadron is the extreme case in this direction, and gives rise to asymmetries between leading and non-leading charm hadrons. We study these phenomena within the Lund string fragmentation model and improve the modelling in part by a consideration of hadroproduction data. Applications include heavy quark production in any collision between hadron-like particles such as \gamma p at HERA and pp at HERA-B or the LHC.

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