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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...
| Autores principales: | , , , |
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| Lenguaje: | eng |
| Publicado: |
1994
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| Materias: | |
| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevD.52.196 http://cds.cern.ch/record/263792 |