HQET and Inclusive Decays of Heavy Hadrons

Details HQET and Inclusive Decays of Heavy Hadrons HQET and Inclusive Decays of Heavy Hadrons

1994-07-20

arxiv.org/abs/hep-ph/9407340v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, 5 uuencoded figures included, uses harvmac and epsf, CMU-HEP 94-19

Scientific paper

10.1063/1.48441

We discuss the recent developments in inclusive decays of hadrons containing a heavy quark. The subject is approached in a model independent way using an operator product expansion for the time-ordered product of weak currents. We discuss the extraction of the weak mixing angle $|V_{cb}|$ from inclusive semileptonic $B$ decays and the application of these techniques to the endpoint of the $e^-$ spectrum in $B\rightarrow X_ue\nu$. We also suggest that the comparison of inclusive semileptonic widths for $D_s$ and $D$ mesons will give an indication of the consistency of this approach in charm decays. \bigskip {\it Invited talk presented at the "Intersections of Particle and Nuclear Physics" conference, St Petersburg, Florida, 31 May to 6 June, 1994.}

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