Leading and Next-to-Leading Logarithmic Approximations in Quantum Electrodynamics

被引：15
作者：
Arbuzov, A. B. [1 ]
机构：
[1] Joint Inst Nucl Res, Dubna 141980, Moscow Oblast, Russia
来源：
PHYSICS OF PARTICLES AND NUCLEI | 2019年 / 50卷 / 06期
关键词：
DEEP-INELASTIC SCATTERING; ANGLE BHABHA SCATTERING; FERMION PAIR PRODUCTION; HARD PHOTON CORRECTIONS; ONE-LOOP CORRECTIONS; DIFFERENTIAL NLO PREDICTIONS; ORDER RADIATIVE-CORRECTIONS; ELECTRON FORM-FACTORS; DRELL-YAN PROCESS; MUON DECAY;
D O I：
10.1134/S1063779619060029
中图分类号：
O412 [相对论、场论]; O572.2 [粒子物理学];
学科分类号：
摘要：
Methods for determination of QED radiative corrections in the leading and next-to-leading logarithmic approximations are described. Analytical solutions to the QED evolution equations for electron structure functions are presented. Some examples of applying the methods described to construction of the high-precision description of processes in high-energy accelerators are considered. A case of the calculation of higher-order corrections to the muon decay spectrum is considered in detail. Use of the approaches developed to justify methods of radiation return and direct measurement of the QED running constant is discussed.
引用
收藏
页码：721 / 825
页数：105
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