TTP01-10 Thirteen Years of Heavy Quark Expansion: Examples for its Progress and its Problems
TTP01-10 Thirteen Years of Heavy Quark Expansion: Examples for its Progress and its Problems
TTP01-10 Thirteen Years of Heavy Quark Expansion: Examples for its Progress and its Problems
The heavy mass expansion has become a standard tool that has
significantly evolved since its formulation about thirteen years ago.
Some of the major results of the heavy mass expansion,
namely the determination of $V_{cb}$ (both exclusive and inclusive)
and lifetime calculations, are reviewed and some open problems are
pointed out.
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