Two-loop electroweak corrections at high energies

Details Two-loop electroweak corrections at high energies Two-loop electroweak corrections at high energies

2002-11-13

arxiv.org/abs/hep-ph/0211196v1

Nucl.Phys.Proc.Suppl.116:18-22,2003

Physics

High Energy Physics

High Energy Physics - Phenomenology

5 pages. Talk presented by S.P. at the International Symposium on Radiative Corrections RADCOR 2002, September 8-13, Kloster B

Scientific paper

10.1016/S0920-5632(03)80136-6

We discuss two-loop leading and angular-dependent next-to-leading logarithmic electroweak virtual corrections to arbitrary processes at energies above the electroweak scale. The relevant Feynman diagrams involving soft-collinear gauge bosons gamma, Z, W, have been evaluated in eikonal approximation. We present results obtained from the analytic evaluation of massive loop integrals. To isolate mass singularities we used the Sudakov method and alternatively the sector decomposition method in the Feynman-parameter representation.

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