B -> D l nu form factors and the determination of |Vcb|
classification
✦ hep-lat
keywords
factorsformdeterminationbulkcalculatedcancelconsideringerrors
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The zero recoil limit of the B -> D l nu form factors is calculated on the lattice, which provides a model-independent determination of |Vcb|. Considering a ratio of form factors, in which the bulk of statistical and systematic errors cancel, we obtain a precise result both for h_+(1) and for h_-(1).
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