Three-loop SM beta-functions for matrix Yukawa couplings

被引：44

作者：

Bednyakov, A. V. ^{[1
]}

Pikelner, A. F. ^{[1
]}

Velizhanin, V. N. ^{[2
,3
,4
]}

机构：

[1] Joint Inst Nucl Res, Dubna 141980, Russia

[2] Humboldt Univ, Inst Math, IRIS Adlershof, D-12489 Berlin, Germany

[3] Humboldt Univ, Inst Phys, IRIS Adlershof, D-12489 Berlin, Germany

[4] Petersburg Nucl Phys Inst, Div Theoret Phys, St Petersburg 188300, Russia

来源：

PHYSICS LETTERS B | 2014年 / 737卷

关键词：

Standard model; Renormalization group; QUANTUM-FIELD THEORY; RENORMALIZATION-GROUP EQUATIONS; STANDARD MODEL; MASS; DIAGRAMS; BEHAVIOR; PROGRAM;

D O I：

10.1016/j.physletb.2014.08.049

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

We present the extension of our previous results for three-loop Yukawa coupling beta-functions to the case of complex Yukawa matrices describing the flavour structure of the SM. The calculation is carried out in the context of unbroken phase of the SM with the help of the MINCER program in a general linear gauge and cross-checked by means of MATAD/BAMBA codes. In addition, ambiguities in Yukawa matrix beta-functions are studied. (C) 2014 The Authors. Published by Elsevier B.V.

引用

页码：129 / 134

页数：6

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