A new look at hadronic B decays
Matthias Neubert
Abstract
We present a detailed study of non-leptonic two-body decays of B mesons based on a generalized factorization hypothesis. We discuss the structure of non-factorizable corrections and present arguments in favour of a simple phenomenological description of their effects. We discuss tests of the factorization hypothesis and show how it may be used to determine unknown decay constants. In particular, we obtain fDs=(234 25) MeV and fDs*=(271 33) MeV.
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