Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2006-10-18
AIPConf.Proc.892:312-314,2007
Physics
High Energy Physics
High Energy Physics - Phenomenology
Three pages, two figures. To appear in the proceedings of Quark Confinament and Hadron Spectrum VII. Azores, September 2006
Scientific paper
10.1063/1.2714403
The semileptonic decay B->pi is studied starting from a simple quark model and taking into account the effect of the B* resonance. A novel, multiply subtracted, Omn\`es dispersion relation has been implemented to extend the predictions of the quark model to all physical q^2 values. We find |V_{ub}|=0.0034 +/- 0.0003(exp.)+/- 0.0007(theory), in good agreement with experiment.
Albertus Conrado
Flynn Jonathan M.
Hernandez Eduardo
Nieves Juan
Verde--Velasco J. M.
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