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

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Bowler, Ken C.; Del Debbio, Luigi; Flynn, Jonathan M.; Lellouch, Laurent; Lesk, Victor; Maynard, Chris M.; Nieves Pamplona, Juan Miguel; Richards, D.G.
This document is a artículoDate2000

Este documento está disponible también en : http://hdl.handle.net/10550/39232
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.

    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
http://dx.doi.org/10.1016/S0370-2693(00)00754-1

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