In the framework of the collinear factorized pQCD approach we calculate the small-xB process-dependent nuclear modification to the structure functions measured in neutrino–nucleus deeply inelastic scattering. We include both heavy quark mass corrections (M2/Q2) and resummed nuclear-enhanced dynamical power corrections in the quantity (ξ2/Q2)(A1/3−1) with ξ2 evaluated to leading order in αs. Our formalism predicts a measurable difference in the shadowing pattern of the structure functions F2A(xB,Q2) and F3A(xB,Q2) and a significant low- and moderate-Q2 modification of the QCD sum rules. We also comment on the relevance of our results to the NuTeV extraction of sin2θW.
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Qiu et al. (2004) studied this question.
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