Precise Determination of Electroweak Parameters in Neutrino-Nucleon Scattering

Details Precise Determination of Electroweak Parameters in Neutrino-Nucleon Scattering Precise Determination of Electroweak Parameters in Neutrino-Nucleon Scattering

2002-04-06

arxiv.org/abs/hep-ex/0204007v3

Int.J.Mod.Phys.A20:95-98,2005

Physics

High Energy Physics

High Energy Physics - Experiment

3pages, 0 figures, version to be published by IJMPE

Scientific paper

10.1142/S0217751X0502121X

A systematic error in the extraction of $\sin^2 \theta_W$ 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.

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