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High Power n of $m_b$ in Beauty Widths and $n=5 \to \infty$ Limit

The leading term in the semileptonic width of heavy flavor hadrons depends on the fifth power of the heavy quark mass. We present an analysis where this power can be self-consistently treated as a free parameter n and the width can be studied in the limit n -> oo. The resulting expansion elucidat...

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Detalles Bibliográficos
Autores principales: Bigi, Ikaros I.Y., Shifman, Mikhail A., Uraltsev, N., Vainshtein, Arkady I.
Lenguaje:eng
Publicado: 1997
Materias:
Acceso en línea:https://dx.doi.org/10.1103/PhysRevD.56.4017
http://cds.cern.ch/record/323650