Electroweak Radiative Corrections To Polarized Møller Scattering Asymmetries

preprint1995arXivOpen access

Abstract

One loop electroweak radiative corrections to left-right parity violating Møller scattering (e−e−→e−e−e^-e^-\to e^-e^-) asymmetries are presented. They reduce the standard model (tree level) prediction by 40±3\pm 3 \% where the main shift and uncertainty stem from hadronic vacuum polarization loops. A similar reduction also occurs for the electron-electron atomic parity violating interaction. That effect can be attributed to an increase of sin⁡2θW(q2)\sin^2θ_W(q^2) by 3%3\% in running from q2=mZ2q^2=m_Z^2 to 0. The sensitivity of the asymmetry to ``new physics'' is also discussed.

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