Low and high energy asymptotic behavior of electroweak corrections in polarized e-e+ → μ-μ+ process

被引：0
作者：
Aleksejevs, A. G. [1 ]
Barkanova, S. G. [1 ]
Bystritskiy, Yu. M. [2 ]
Zykunov, V. A. [2 ]
机构：
[1] Mem Univ, Corner Brook, NF, Canada
[2] JINR, Dubna, Moscow Region, Russia
来源：
CANADIAN JOURNAL OF PHYSICS | 2018年 / 96卷 / 04期
基金：
加拿大自然科学与工程研究理事会;
关键词：
electroweak radiative corrections; physics beyond the Standard Model; computer algebra; one-loop integrals; Weinberg mixing angle; ONE-LOOP CORRECTIONS; RADIATIVE-CORRECTIONS; MOLLER SCATTERING; PAIR PRODUCTION; STANDARD MODEL; RENORMALIZATION; ANNIHILATION; OBSERVABLES; PROGRAM;
D O I：
10.1139/cjp-2017-0190
中图分类号：
O4 [物理学];
学科分类号：
0702 ;
摘要：
Electroweak radiative corrections will play a major role in the analysis of several upcoming ultra-precision experiments, such as Belle-II, so it is crucial to make sure that they are fully under control. This article outlines the recent developments in the theoretical and computational approaches to one-loop (NLO) electroweak radiative corrections to the parity-violating asymmetry in e(-)e(+) -> mu(-)mu(+)(gamma) process with longitudinally polarized electrons. We derive asymptotic expressions for low and high energy regions (well below or above Z-resonance, correspondingly) and analyze the leading contributions. For most energy regions, our results are in good agreement with precise computer-algebra-based calculation and can be used as a quicker alternative.
引用
收藏
页码：445 / 453
页数：9
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