Soft Component of Hard Reactions and Nuclear Shadowing (DIS, Drell-Yan reaction, heavy quark production)

Abstract

We consider deep-inelastic lepton scattering, Drell-Yan lepton pair and heavy quark production in the reference frame of the target. These reactions traditionally treated as hard have, however, a substantial leading twist soft contribution. One of the manifestations of such a soft component, nuclear shadowing, is overviewed.

arXiv commentLatex 12 pages including 4 figures. Invited talk at the Workshop Hirschegg'95: Dynamical Properties of Hadrons in Nuclear Matter. In proceedings, ed. by H. Feldmeier and W. Nörenberg, Darmstadt, 1995, p. 102

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