3 papers
hep-ph2004
QCD in beauty decays: successes and puzzles
Nikolai Uraltsev
The status of the heavy quark expansion for inclusive B decays is briefly reviewed from the perspective of confronting theory with data and of extracting the heavy quark parameters…
hep-ph1998
Heavy quark expansion in beauty and its decays
Nikolai Uraltsev
I give an introduction to the QCD-based theory of the heavy flavor hadrons and their weak decays. Trying to remain at the next-to-elementary level and skip technicalities, I concen…
hep-ph1994
from OPE Sum Rules for Heavy Flavor Transitions
M. Shifman
Recent progress in determination of within the heavy quark expansion is reported. Both exclusive and inclusive approaches are discussed.