Two-loop electroweak next-to-leading logarithms for processes involving heavy quarks

Details Two-loop electroweak next-to-leading logarithms for processes involving heavy quarks Two-loop electroweak next-to-leading logarithms for processes involving heavy quarks

2008-09-04

arxiv.org/abs/0809.0800v2

JHEP 0811:062,2008

Physics

High Energy Physics

High Energy Physics - Phenomenology

55 pages, LaTeX, version to appear in JHEP, minor revisions of text, results unchanged

Scientific paper

10.1088/1126-6708/2008/11/062

We derive logarithmically enhanced two-loop virtual electroweak corrections for arbitrary fermion-scattering processes at the TeV scale. This extends results previously obtained for massless fermion scattering to processes that involve also bottom and top quarks. The contributions resulting from soft, collinear, and ultraviolet singularities in the complete electroweak Standard Model are explicitly extracted from two-loop diagrams to next-to-leading-logarithmic accuracy including all effects associated with symmetry breaking and Yukawa interactions.

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