Heavy Quark Fragmentation in Deep Inelastic Scattering

Abstract

We perform an analysis of semi-inclusive production of charm (D-mesons) in neutral current (NC) and charged current (CC) deep inelastic scattering (DIS) at full O(alpha_s^1). Our calculation is based on the heavy quark scheme developed by Aivazis, Collins, Olness and Tung (ACOT) where we include an O(alpha_s^1) calculation of quark scattering contributions for general masses and couplings. We review the relevant massive formulae and subtraction terms and discuss their massless limits. We show how the charm fragmentation function can be measured in CC DIS and we investigate whether the charm production dynamics may be tested in NC DIS. We also discuss finite initial state quark mass effects in CC and NC DIS.

24 pages, LaTeX, 4 figures, uses epsfig and amssymb style, corrected references

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• The hadronization of partons
• Multiple Parton Scattering in Nuclei: Heavy Quark Energy Loss and Modified Fragmentation Functions
• Differential Distributions for NLO Analyses of Charged Current Neutrino-Production of Charm
• Predictions for Neutrino Structure Functions
• Indirect search for light charged Higgs bosons through the dominant semileptonic decays of top quark $t\to b(\to B/D+X)+H^{+}(\to {\tau }^{+}{\nu }_{\tau })$
• A New Method for Calculating Differential Distributions Directly in Mellin Space
• Charged Higgs production from polarized top-quark decay in the 2HDM considering the general-mass variable-flavor-number scheme