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A recently completed next-to-leading-order program to calculate neutrinocross sections, including power-suppressed mass correction terms, has beenapplied to evaluate the Paschos-Wolfenstein relation, in order toquantitatively assess the validity and significance of the NuTeV anomaly. Inparticular, we study the shift of $\sin^2 \theta_{\mathrm{W}}$ obtained incalculations with a new generation of PDF sets that allow $s(x)\neq\bar{s}(x)$, enabled by recent neutrino dimuon data from CCFR and NuTeV, ascompared to the previous $s = \bar{s}$ parton distribution functions likeCTEQ6M. The extracted value of $\sin^2 \theta_{\mathrm{W}}$ is closelycorrelated with the strangeness asymmetry momentum integral$\int_{0}^{1}x[s(x)-\bar{s}(x)] dx$. We also consider isospin violating effectsthat have recently been explored by the MRST group. The results of our studysuggest that the new dimuon data, the Weinberg angle measurement, and otherdata sets used in global QCD parton structure analysis can all be consistentwithin the Standard Model.Comment: 4 page

Parton Structure of the Nucleon and Precision Determination of the Weinberg Angle in Neutrino Scattering