Charged-Current Leptoproduction of D-Mesons in the Variable Flavor Scheme

Abstract

We present formulae for the momentum (z) distributions of D-mesons produced in neutrino deep-inelastic scattering off strange partons. The expressions are derived within the variable flavor scheme of Aivazis et al. (ACOT-scheme), which is extended from its fully inclusive formulation to one-hadron inclusive leptoproduction. The dependence of the results on the assumed strange quark mass m_s is investigated and the m_ \to 0 limit is compared to the corresponding MSbar results. The importance of O(alpha_s) quark-initiated corrections is demonstrated for the m_s=0 case.

Comments: 11 pages, LaTeX, 2 figures, uses epsfigand amssymb style, 2 obvious typos corrected, some minor modifications for publication