Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2002-10-10
Nucl.Instrum.Meth. A502 (2003) 621-623
Physics
High Energy Physics
High Energy Physics - Phenomenology
2 pages, LaTeX, contribution to proceedings of ACAT2002 (Moscow, June 2002)
Scientific paper
10.1016/S0168-9002(03)00523-0
An analytical approach is applied to the calculation of some
dimensionally-regulated two-loop vertex diagrams with essential on-shell
singularities. Such diagrams are important for the evaluation of QED
corrections to the muon decay, QCD corrections to top quark decays t->W^{+}b,
t->H^{+}b, etc.
Davydychev Andrei I.
Smirnov Vladimir A.
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