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Quark model study of the semileptonic B -> pi decay

Quark model study of the semileptonic B -> pi decay
Quark model study of the semileptonic B -> pi decay
The semileptonic decay B→π is studied starting from a simple quark model and taking into account the effect of the B* resonance. A novel, multiply subtracted, Omnès dispersion relation has been implemented to extend the predictions of the quark model to all physical q2 values. We find |Vub| = 0.0034 ±  0.0003(exp.) ± 0.0007(theory), in good agreement with experiment.
312-314
American Institute of Physics
Albertus, C.
2578dbb1-80bd-4f6d-a955-1e80578d79da
Flynn, J. M.
d8e90963-ba56-415c-bbd4-496b7d91d343
Hernandez, E.
64d6e442-7c1b-4c85-9c57-60f40a975b95
Nieves, J.
4d72ebe2-1ea0-4579-bd81-4c682ab01a7f
Verde-Velasco, J.M.
302e3471-c79c-4d9d-a5a1-7d98ddca5c21
Albertus, C.
2578dbb1-80bd-4f6d-a955-1e80578d79da
Flynn, J. M.
d8e90963-ba56-415c-bbd4-496b7d91d343
Hernandez, E.
64d6e442-7c1b-4c85-9c57-60f40a975b95
Nieves, J.
4d72ebe2-1ea0-4579-bd81-4c682ab01a7f
Verde-Velasco, J.M.
302e3471-c79c-4d9d-a5a1-7d98ddca5c21

Albertus, C., Flynn, J. M., Hernandez, E., Nieves, J. and Verde-Velasco, J.M. (2006) Quark model study of the semileptonic B -> pi decay. In AIP Conference Proceedings. American Institute of Physics. pp. 312-314 .

Record type: Conference or Workshop Item (Paper)

Abstract

The semileptonic decay B→π is studied starting from a simple quark model and taking into account the effect of the B* resonance. A novel, multiply subtracted, Omnès dispersion relation has been implemented to extend the predictions of the quark model to all physical q2 values. We find |Vub| = 0.0034 ±  0.0003(exp.) ± 0.0007(theory), in good agreement with experiment.

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Published date: 2006

Identifiers

Local EPrints ID: 56958
URI: https://eprints.soton.ac.uk/id/eprint/56958
PURE UUID: 793f49d9-8000-4136-8aaf-907978f5101b
ORCID for J. M. Flynn: ORCID iD orcid.org/0000-0002-6280-1677

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Date deposited: 15 Aug 2008
Last modified: 14 Mar 2019 01:53

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