Sudakov Logarithms in Four-Fermion Electroweak Processes at High Energy

Details Sudakov Logarithms in Four-Fermion Electroweak Processes at High Energy Sudakov Logarithms in Four-Fermion Electroweak Processes at High Energy

2002-11-13

arxiv.org/abs/hep-ph/0211193v1

Nucl.Phys.Proc.Suppl. 116 (2003) 23-27

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk at RADCOR 2002, Kloster Banz, Germany, 8-13 Sep 2002; 5 pages, 1 figure

Scientific paper

10.1016/S0920-5632(03)80137-8

We discuss recent results for the asymptotic behavior of fermion scattering amplitudes in the Sudakov limit. The results include next-to-next-to-leading logarithmic electroweak corrections and are used for the analysis of fermion-antifermion pair production in e+e- annihilation at high energy. The importance of the subleading logarithmic contributions is emphasized and the fermionic contributions to the Abelian form factor at two loops are discussed.

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