Sum rules for heavy flavor transitions in the SV limit

ABSTRACT: We consider sum rules for weak transition b->c amplitudes in the small velocity (SV) limit and at zero recoil, including power corrections. We derive a lower bound on the deviation of the exclusive form factor F(B->D*) from unity at zero recoil and give a field-theoretical derivation...

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Detalles Bibliográficos
Autores principales: Bigi, Ikaros I, Shifman, M, Uraltsev, N, Vainshtein, A I
Lenguaje:eng
Publicado: 1994
Materias:
Particle Physics - Phenomenology
Acceso en línea:https://dx.doi.org/10.1103/PhysRevD.52.196
http://cds.cern.ch/record/263792

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