Weak decays beyond leading logarithms

被引：2314

作者：

Buchalla, G

Buras, AJ

Lautenbacher, ME

机构：

[1] TECH UNIV MUNICH, DEPT PHYS, D-85748 GARCHING, GERMANY

[2] MAX PLANCK INST PHYS & ASTROPHYS, WERNER HEISENBERG INST, D-80805 MUNICH, GERMANY

[3] STANFORD UNIV, STANFORD LINEAR ACCELERATOR CTR, THEORY GRP, STANFORD, CA 94309 USA

来源：

REVIEWS OF MODERN PHYSICS | 1996年 / 68卷 / 04期

关键词：

D O I：

10.1103/RevModPhys.68.1125

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We review the present status of QCD corrections to weak decays beyond the leading-logarithmic approximation, including particle-antiparticle mixing and rare and CP-violating decays. After presenting the basic formalism for these calculations we discuss in detail the effective Hamiltonians of all decays for which the next-to-leading-order corrections are known. Subsequently, we present the phenomenological implications of these calculations. The values of various parameters are updated, in particular the mass of the newly discovered top quark. One of the central issues in this review are the theoretical uncertainties related to renormalization-scale ambiguities, which are substantially reduced by including next-to-leading-order corrections. The impact of this theoretical improvement on the determination of the Cabibbo-Kobayashi-Maskawa matrix is then illustrated.

引用

页码：1125 / 1244

页数：120

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