Title of article
Analytical evaluation of certain on-shell two-loop three-point diagrams
Author/Authors
Davydychev، نويسنده , , A.I. and Smirnov، نويسنده , , V.A.، نويسنده ,
Pages
3
From page
621
To page
623
Abstract
An analytical approach is applied to calculating some dimensionally regulated two-loop vertex diagrams with essential on-shell singularities. Such diagrams are important in evaluating the QED corrections to the muon decay, the QCD corrections to top quark decays t→W+b, t→H+b, etc.
Keywords
Two-loop Feynman diagram , On-shell vertex , Dimensional regularization , Muon Decay
Journal title
Astroparticle Physics
Record number
2021395
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