/ Phenomenology-HEP

Estimating two-loop radiative effects in the MOLLER experiment

Aleksejevs, A.G. (Grenfell Mem. U., Corner Brook) ; Barkanova, S.G. (Acadia U.) ; Zykunov, V.A. (BelSUT) ; Kuraev, E.A. (Dubna, JINR)

Published in: Phys.Atom.Nucl. / Yad.Fiz.
Year: 2013 / 2013
Vol.: 76 / 76
Page No: 888-900 / 942-954
Pages: 13
Year: 2013

Abstract: Within the on-shell renormalization scheme, two-loop electroweak corrections to the parityviolating polarization asymmetry in the reaction e (−) e (−) → e (−) e (−)(γ, γγ) were estimated for the MOLLER experiment at JLab. The infrared divergence and the imaginary part of the amplitude were taken completely under control. Relevant compact expressions obtained by using asymptotic methods are free from unphysical parameters and are convenient for analysis and for numerical estimations. A numerical analysis revealed a significant scale of two-loop effects and the need for taking them into account in the MOLLER experiment.

Total numbers of views: 1391
Numbers of unique views: 329
DOI: 10.1134/S1063778813070028
 Record created 2013-09-05, last modified 2014-01-30

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