Abstract
We present details on calculation of next-to-next-to-leading order QCD corrections to massive charged-current coefficient functions in deep-inelastic scattering. Especially we focus on the application to charm-quark production in neutrino scattering on fixed target that can be measured via the dimuon final state. We construct a fast interface to the calculation so for any parton distributions the cross sections can be evaluated within milliseconds by using the pre-generated interpolation grids. We discuss agreements of various theoretical predictions with the NuTeV and CCFR dimuon data and the impact of the results on determination of the strange-quark distributions.
Highlights
JHEP02(2018)026 quark, νs → cX, mediated by the weak charged current
We focus on the application to charm-quark production in neutrino scattering on fixed target that can be measured via the dimuon final state
We construct a fast interface to the calculation so for any parton distributions the cross sections can be evaluated within milliseconds by using the pre-generated interpolation grids
Summary
We have presented briefly the framework of our NNLO calculation together with selected numerical results in ref. [9]. We have presented briefly the framework of our NNLO calculation together with selected numerical results in ref. We give more details on the theoretical ingredients of the calculation as well as more numerical results focusing on kinematic region of the fixed-target dimuon measurements. We discuss the applicable kinematic range of our calculation utilizing fixed-flavor number scheme for heavy quarks and the possible improvement by extending to a variable-flavor number scheme
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