Leading/nonleading Charm Hadroproduction in the Quark-Gluon String Model

Details Leading/nonleading Charm Hadroproduction in the Quark-Gluon String Model Leading/nonleading Charm Hadroproduction in the Quark-Gluon String Model

1995-07-03

arxiv.org/abs/hep-ph/9507203v1

Nucl.Phys.Proc.Suppl. 50 (1996) 179-182

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages,LATEX, 3 figures are available from author (by FAX) upon request

Scientific paper

10.1016/0920-5632(96)00387-8

Leading charm production in reaction $\pi^- N \rightarrow DX$ is discussed.Three experiments at Fermilab and CERN have measured a rather large enhancement in production rate of leading $D^-$-mesons over nonleading $D^+$.A good description of these results is obtained in Quark Gluon String Model (QGSM) if the idea of 'intrinsic charm' is involved. The weight of the $c\bar{c}$ pairs in the quark sea of colliding hadrons is estimated from the experimental data. The comparison with other theoretical models is also carried out.

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