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Paper detail

Constraints on Semileptonic Form-factors from Dispersive Sum Rules

I briefly discuss the derivation of dispersive sum rules constraining semileptonic form-factors. I outline the use of these constraints in the context of charmless semileptonic decays and suggest how, in combination with other theoretical and experimental information, they may reduce the uncertainties in the extraction of $V_{ub}$.

preprint1997arXivOpen access
Gustavo Burdman
hep-ph
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Gustavo Burdman

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