Implementation of NNLO EW NLL corrections in OpenLoops for massless fermions and transversely polarized vector bosons, validated against analytic results and applied to representative LHC processes.
Electroweak Sudakov at two loop level
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abstract
We investigate the Sudakov double logarithmic corrections to the form factor of fermion in the SU(2)XU(1) electroweak theory. We adopt the familiar Feynman gauge and present explicit calculations at the two loop level. We show that the leading logarithmic corrections coming from the infrared singularities are consistent with the "postulated" exponentiated electroweak Sudakov form factor. The similarities and differences in the "soft" physics between the electroweak theory and the unbroken non-abelian gauge theory (QCD) will be clarified.
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hep-ph 2years
2026 2verdicts
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Analytic two-loop electroweak corrections to four-point amplitudes are computed in the high-energy limit of the Standard Model, applied to Higgs pair production where logarithmic and power corrections yield sizeable effects.
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Logarithmic EW corrections at two-loop
Implementation of NNLO EW NLL corrections in OpenLoops for massless fermions and transversely polarized vector bosons, validated against analytic results and applied to representative LHC processes.
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Analytic two-loop electroweak corrections at high energies
Analytic two-loop electroweak corrections to four-point amplitudes are computed in the high-energy limit of the Standard Model, applied to Higgs pair production where logarithmic and power corrections yield sizeable effects.