Electroweak Sudakov at two loop level

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.

8 pages, 14 figures

References in corpus (3)

• Resummation of double logarithms in electroweak high energy processes
• Bloch-Nordsieck violating electroweak corrections to inclusive TeV scale hard processes
• Electroweak Sudakov form factors and nonfactorizable soft QED effects at NLC energies

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