HEAVY-QUARK SYMMETRY

被引：1340

作者：

NEUBERT, M ^{[1
]}

机构：

[1] STANFORD UNIV, STANFORD LINEAR ACCELERATOR CTR, STANFORD, CA 94309 USA

来源：

PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS | 1994年 / 245卷 / 5-6期

关键词：

D O I：

10.1016/0370-1573(94)90091-4

中图分类号：

O4 [物理学];

学科分类号：

0702 ;

摘要：

We review the current status of heavy-quark symmetry and its applications to weak decays of hadrons containing a single heavy quark. After an introduction to the underlying physical ideas, we discuss in detail the formalism of the heavy-quark effective theory, including a comprehensive treatment of symmetry breaking corrections. We then illustrate some nonperturbative approaches, which aim at a dynamical, QCD-based calculation of the universal form factors of the effective theory. The main focus is on results obtained using QCD sum rules. Finally, we perform an essentially model-independent analysis of semileptonic B meson decays in the context of the heavy-quark effective theory.

引用

页码：259 / 395

页数：137

共 230 条

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