/ Phenomenology-HEP hep-ph/0203127

(Quasi) elastic electron muon large angle scattering to a two loop approximation: Vertex contributions

Bytev, V.V. (Dubna, JINR) ; Kuraev, E.A. (Dubna, JINR) ; Shaikhatdenov, B.G. (Dubna, JINR)

Published in: J.Exp.Theor.Phys. / Zh.Eksp.Teor.Fiz.
Year: 2002 / 2002
Vol.: 95 / 122
Page No: 404-412 / 472-480
Pages: 13

Abstract: We consider a process of quasielastic $e\mu$ large-angle scattering at high energies with radiative corrections up to a two-loop level. A lowest order radiative correction arising both from one-loop virtual photon emission and a real soft emission are presented to a power accuracy. Two-loop level corrections are supposed to be of three gauge-invariant classes. One of them, so called vertex contribution, is given in logarithmic approximation. Relation with the renormalization group approach is discussed.

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