Exact one-loop evolution invariants in the standard model

被引：11

作者：

Harrison, P. F. ^{[1
]}

Krishnan, R. ^{[1
]}

Scott, W. G. ^{[2
]}

机构：

[1] Univ Warwick, Dept Phys, Coventry CV4 7AL, W Midlands, England

[2] Rutherford Appleton Lab, Didcot OX11 0QX, Oxon, England

来源：

PHYSICAL REVIEW D | 2010年 / 82卷 / 09期

基金：

英国科学技术设施理事会;

关键词：

RENORMALIZATION-GROUP EQUATIONS; QUANTUM-FIELD THEORY; QUARK MASS MATRICES;

D O I：

10.1103/PhysRevD.82.096004

中图分类号：

P1 [天文学];

学科分类号：

0704 ;

摘要：

Guided by considerations of flavor symmetry, we construct a set of exact standard model renormalization group evolution invariants which link quark masses and mixing parameters. We examine their phenomenological implications and infer a simple combination of Yukawa coupling matrices which plays a unique role in the standard model, suggesting a possible new insight into the observed spectrum of quark masses. Our evolution invariants are readily generalized to the leptons in the case of Dirac neutrinos, but do not appear to be relevant for either quarks or leptons in the minimal supersymmetric standard model.

引用

页数：5

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