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dc.contributor.authorSibirtsev, A.-
dc.contributor.authorBlunden, P.-
dc.contributor.authorMelnitchouk, W.-
dc.contributor.authorThomas, A.-
dc.identifier.citationPhysical Review D: Particles, Fields, Gravitation and Cosmology, 2010; 82(1):013011-1-013011-6-
dc.description.abstractWe use dispersion relations to evaluate the γZ box contribution to parity-violating electron scattering in the forward limit arising from the axial-vector coupling at the electron vertex. The calculation makes full use of the critical constraints from recent JLab data on electroproduction in the resonance region as well as high-energy data from HERA. At the kinematics of the Qweak experiment, this gives a correction of 0.0047-0.0004+0.0011 to the standard model value 0.0713(8) of the proton weak charge. While the magnitude of the correction is highly significant, the uncertainty is within the anticipated experimental uncertainty of ±0.003.-
dc.description.statementofresponsibilityA. Sibirtsev, P. G. Blunden, W. Melnitchouk and A.W. Thomas-
dc.publisherAmerican Physical Soc-
dc.rights©2010 American Physical Society-
dc.titleγZ corrections to forward-angle parity-violating ep scattering-
dc.title.alternativeGamma Z corrections to forward-angle parity-violating ep scattering-
dc.typeJournal article-
dc.identifier.orcidThomas, A. [0000-0003-0026-499X]-
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