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Study of the semileptonic decays B->pi, D->pi and D->K

Record type: Article

The semileptonic decay B->pi is studied starting from a simple quark model that takes into account the effect of the B* resonance. A novel, multiply subtracted, Omnes dispersion relation has been implemented to extend the predictions of the quark model to all q^2 values accesible in the physical decay. By comparison to the experimental data, we extract |V_ub|=0.0034 +/- 0.0003(exp.) +/- 0.0007(theory). As a further test of the model, we have also studied D->pi and D->K decays for which we get good agreement with experiment.

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Citation

Albertus, C., Flynn, J. M., Hernandez, E., Nieves, J. and Verde-Velasco, J.M. (2007) Study of the semileptonic decays B->pi, D->pi and D->K European Physical Journal A, 31, pp. 725-727. (doi:10.1140/epja/i2006-10247-9).

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Published date: 2007

Identifiers

Local EPrints ID: 56957
URI: http://eprints.soton.ac.uk/id/eprint/56957
ISSN: 1434-6001
PURE UUID: 7b919700-4f02-40b1-a3e5-527a75f0943e
ORCID for J. M. Flynn: ORCID iD orcid.org/0000-0002-6280-1677

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Date deposited: 13 Aug 2008
Last modified: 17 Jul 2017 14:29

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Contributors

Author: C. Albertus
Author: J. M. Flynn ORCID iD
Author: E. Hernandez
Author: J. Nieves
Author: J.M. Verde-Velasco

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