Soft-Gluon Resummation for Heavy Quark Production in Charged-Current Deep Inelastic Scattering

Details Soft-Gluon Resummation for Heavy Quark Production in Charged-Current Deep Inelastic Scattering Soft-Gluon Resummation for Heavy Quark Production in Charged-Current Deep Inelastic Scattering

2003-08-09

arxiv.org/abs/hep-ph/0308105v2

Nucl.Phys.B676:346-364,2004

Physics

High Energy Physics

High Energy Physics - Phenomenology

21 pages, 7 figures

Scientific paper

10.1016/j.nuclphysb.2003.10.027

We study soft-gluon radiation for heavy quark production in charged-current Deep Inelastic Scattering processes. We resum large-x contributions to the MSbar coefficient function to next-to-leading logarithmic accuracy and present results for charm quark structure functions for several values of the ratio m_c/Q. The effect of the resummation turns out to be visible, especially at small Q^2, and the results exhibit very little dependence on factorization and renormalization scales. The impact of our calculation on structure function measurements at NuTeV and HERA experiments is discussed.

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