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Extracting |Vub| From Omnès dispersion relations and lattice QCD

Extracting |Vub| From Omnès dispersion relations and lattice QCD
Extracting |Vub| From Omnès dispersion relations and lattice QCD
Dispersion approaches offer a way to use directly calculated/measured form-factor values from exclusive semileptonic B → π decays to constrain the overall q2-shape of the form-factor(s). This can make the determination of |Vub| from exclusive decays competitive with that from inclusive decays. Here we consider the use of Omnès dispersion relations for this purpose.
202-[5pp]
Proceedings of Science
Flynn, Jonathan
d8e90963-ba56-415c-bbd4-496b7d91d343
Nieves, Juan
7d5cbd0b-f25d-44f0-be50-fdecb2e54bfe
Flynn, Jonathan
d8e90963-ba56-415c-bbd4-496b7d91d343
Nieves, Juan
7d5cbd0b-f25d-44f0-be50-fdecb2e54bfe

Flynn, Jonathan and Nieves, Juan (2006) Extracting |Vub| From Omnès dispersion relations and lattice QCD. In Proceedings of Science (PoS) LAT2005. Proceedings of Science. 202-[5pp] .

Record type: Conference or Workshop Item (Paper)

Abstract

Dispersion approaches offer a way to use directly calculated/measured form-factor values from exclusive semileptonic B → π decays to constrain the overall q2-shape of the form-factor(s). This can make the determination of |Vub| from exclusive decays competitive with that from inclusive decays. Here we consider the use of Omnès dispersion relations for this purpose.

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More information

Published date: July 2006
Venue - Dates: XXIIIrd International Symposium on Lattice Field Theory, Dublin, Ireland, 2005-07-24 - 2005-07-29

Identifiers

Local EPrints ID: 57240
URI: http://eprints.soton.ac.uk/id/eprint/57240
PURE UUID: 81d4d1be-99e0-4ca1-bb0c-b031f8cee4aa
ORCID for Jonathan Flynn: ORCID iD orcid.org/0000-0002-6280-1677

Catalogue record

Date deposited: 14 Aug 2008
Last modified: 10 Nov 2021 02:43

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Contributors

Author: Jonathan Flynn ORCID iD
Author: Juan Nieves

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