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B ??l? form factors in lattice QCD

Bowler, K.C., Flynn, J.M., Gill, J.F. and Maynard, C.M. UKQCD Collaboration (2004) B ??l? form factors in lattice QCD Journal of High Energy Physics, 5, (35), pp. 1-17. (doi:10.1088/1126-6708/2004/05/035).

Record type: Article

Abstract

We present results from quenched lattice QCD for the form factors for the decay B??l?. The calculations are performed using a nonperturbatively improved action and operators at two values of the lattice spacing. The bottom quark mass is reached by extrapolation from simulations performed with heavy quark masses around the charm mass. Our primary result is for the partially integrated decay rate ?PI over the range 12.7 GeV2<q2<18.2 GeV2: ?PI = 4.9+12-10+ 0-14 × 1012 s-1 |Vub|2.

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More information

Published date: May 2004
Keywords: quark masses and SM parameters, weak decays, B-Physics, lattice QCD
Organisations: Physics & Astronomy, High Energy Physics

Identifiers

Local EPrints ID: 11219
URI: http://eprints.soton.ac.uk/id/eprint/11219
PURE UUID: 73213ecc-6d1b-4ed4-a954-73acde7be4d0
ORCID for J.M. Flynn: ORCID iD orcid.org/0000-0002-6280-1677

Catalogue record

Date deposited: 19 Aug 2008
Last modified: 17 Jul 2017 17:04

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Contributors

Author: K.C. Bowler
Author: J.M. Flynn ORCID iD
Author: J.F. Gill
Author: C.M. Maynard

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