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Two-Loop Electroweak Corrections to $Δr$

arXiv:hep-ph/0211280 · doi:10.1016/S0920-5632(03)80176-7

Abstract

The two-loop electroweak bosonic correction to the muon lifetime is computed using methods of asymptotic expansion. Combined with previous calculations this completes the full two-loop correction to $Δr$ in the Standard Model.

3 pp, 1 fig, Talk given at RADCOR/Loops & Legs 02 (Sept. 8-13, 2002, Kloster Banz, Germany)