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Total Cross Sections for Heavy Flavour Production at HERA

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arxiv hep-ph/9412348 v1 pith:3P7Y23KT submitted 1994-12-21 hep-ph

classification hep-ph
keywords crosssectionstotaluncertaintiesdiscussheraacker-williamsapproximation
verification ladder T0 review T1 audit T2 compute T3 formal
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abstract

We compute total cross sections for charm and bottom photoproduction at HERA energies, and discuss the relevant theoretical uncertainties. In particular we discuss the problems arising from the small-$x$ region, the uncertainties in the gluon parton density, and the uncertainties in the hadronic component of the cross section. Total electroproduction cross sections, calculated in the Weizs\"acker-Williams approximation, are also given.

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