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Parity-Violating M{\o}ller Scattering at NNLO: Closed Fermion Loops

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arxiv 1912.08220 v2 pith:LBHRBHXQ submitted 2019-12-17 hep-ph hep-ex

Yong Du , Ayres Freitas , Hiren H. Patel , Michael J. Ramsey-Musolf This is my paper · ORCID
classification hep-phhep-ex
keywords closedfermioninvolvingloopsasymmetrycontributionscorrectionsller
verification ladder T0 review T1 audit T2 compute T3 formal
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A complete, gauge-invariant computation of two loop virtual corrections involving closed fermion loops to the polarized M{\o}ller scattering asymmetry is presented. The set of contributions involving two closed fermion loops and the set involving one closed fermion loop are numerically similar in magnitude to the one-loop bosonic corrections and yield an overall correction of 1.3% relative to the tree-level asymmetry. We estimate sizes of remaining two-loop contributions and discuss implications for the upcoming MOLLER experiment.

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Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Fermionic Electroweak Two-Loop Corrections to Drell-Yan and Related Processes

    hep-ph 2025-12 conditional novelty 7.0 of 10

    The full NNLO electroweak corrections with closed fermion loops to e+e- → ffbar (and Drell-Yan) were calculated semi-numerically and found to modify NLO cross-sections by about 1%.

  2. Electroweak double-box integrals for Moller scattering

    hep-ph 2024-12 conditional novelty 6.0 of 10

    Presents epsilon-factorised master integrals, boundary values, and numerical routines for the planar and non-planar electroweak double-box families relevant to NNLO Moller scattering.

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