HQET flavor symmetry is used to predict n=3 bottom and bottom-strange meson masses, their strong decay widths in terms of couplings, coupling upper bounds, and n=4 Regge extrapolations.
Heavy-Quark Effective Theory
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We give an introduction to the heavy-quark effective theory and the $1/m_Q$ expansion, which provide the modern framework for a systematic, model-independent description of the properties and decays of hadrons containing a heavy quark. We discuss the applications of these concepts to spectroscopy and to the weak decays of $B$ mesons.
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Radially Excited Bottom Mesons in Heavy Quark Effective Theory
HQET flavor symmetry is used to predict n=3 bottom and bottom-strange meson masses, their strong decay widths in terms of couplings, coupling upper bounds, and n=4 Regge extrapolations.