Heavy Quark Symmetry

Details Heavy Quark Symmetry Heavy Quark Symmetry

1993-06-26

arxiv.org/abs/hep-ph/9306320v1

Phys.Rept.245:259-396,1994

Physics

High Energy Physics

High Energy Physics - Phenomenology

186 pages (hardcopy of entire manuscript available upon request), SLAC-PUB-6263

Scientific paper

10.1016/0370-1573(94)90091-4

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.

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