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arXiv · 1104.0511

Twist-four Corrections to Parity-Violating Electron-Deuteron Scattering

A. V. Belitsky·A. N. Manashov·A. Schafer
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Abstract

Parity violating electron-deuteron scattering can potentially provide a clean access to electroweak couplings that are sensitive to physics beyond the Standard Model. However hadronic effects can contaminate their extraction from high-precision measurements. Power-suppressed contributions are one of the main sources of uncertainties along with charge-symmetry violating effects in leading-twist parton densities. In this work we calculate the twist-four correlation functions contributing to the left-right polarization asymmetry making use of nucleon multiparton light-cone wave functions.

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A. V. Belitsky, A. N. Manashov, A. Schafer. 2011-04-04. Twist-four Corrections to Parity-Violating Electron-Deuteron Scattering. https://doi.org/10.1103/physrevd.84.014010

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