Shadowing corrections and the precise determination of electroweak parameters in neutrino-nucleon scattering

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2005

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Miller, G.
Thomas, A.

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International Journal of Modern Physics A: particles and fields; gravitation; cosmology; nuclear physics, 2005; 20(1):95-98

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Gerald Miller and W. A. Thomas

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<jats:p> A systematic error in the extraction of sin <jats:sup>2</jats:sup>θ<jats:sub>W</jats:sub> from nuclear deep inelastic scattering of neutrinos and antineutrinos arises from higher-twist effects arising from nuclear shadowing. We explain that these effects cause a correction to the results of the recently reported significant deviation from the Standard Model that is potentially as large as the deviation claimed, and of a sign that cannot be determined without an extremely careful study of the data set used to model the input parton distribution functions. </jats:p>

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