HEAVY-QUARK SYMMETRY

被引:1313
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
收藏
页码:259 / 395
页数:137
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