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Improved B ->pi l nu(iota) form factors from the lattice

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Improved B ->pi l nu(iota) form factors from the lattice

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dc.contributor.author	Bowler, Ken C.
dc.contributor.author	Del Debbio, Luigi
dc.contributor.author	Flynn, Jonathan M.
dc.contributor.author	Lellouch, Laurent
dc.contributor.author	Lesk, Victor
dc.contributor.author	Maynard, Chris M.
dc.contributor.author	Nieves Pamplona, Juan Miguel
dc.contributor.author	Richards, D.G.
dc.date.accessioned	2014-10-17T09:36:27Z
dc.date.available	2014-10-17T09:36:27Z
dc.date.issued	2000
dc.identifier.citation	Bowler, Ken C. Del Debbio, Luigi Flynn, Jonathan M. Lellouch, Laurent Lesk, Victor Maynard, Chris M. Nieves Pamplona, Juan Miguel Richards, D.G. 2000 Improved B ->pi l nu(iota) form factors from the lattice Physics Letters B 486 1-2 111 117
dc.identifier.uri	http://hdl.handle.net/10550/39232
dc.description.abstract	We present the results of a lattice computation of the form factors for B-0 --> pi(-)l(+)nu(l) decays near zero-recoil. These results will allow a determination of the CKM matrix element \V-ub\ when measurements of the differential decay rate become available. We also provide models for extrapolation of the form factors and rate to the full recoil range. Our computation is performed in the quenched approximation to QCD on a 24(3) x 48 lattice at beta = 6.2, using a non-perturbatively O(a)-improved action. The masses of all light valence quarks involved are extrapolated to their physical values.
dc.language.iso	eng
dc.relation.ispartof	Physics Letters B, 2000, vol. 486, num. 1-2, p. 111-117
dc.subject	Física
dc.title	Improved B ->pi l nu(iota) form factors from the lattice
dc.type	journal article	es_ES
dc.date.updated	2014-10-17T09:36:27Z
dc.identifier.doi	10.1016/S0370-2693(00)00754-1
dc.identifier.idgrec	068604
dc.rights.accessRights	open access	es_ES