Perturbative and Non-perturbative Corrections to $B\to D^{(*)}lν$

preprint1999arXivOpen access

It is shown that certain double ratios introduced for computing semileptonic form factors are accurate to order $1/m_Q^2$ , even when the action and current are accurate to order $1/m_Q$ .

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Perturbative and Non-perturbative Corrections to $B\to D^{(*)}lν$

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Perturbative and Non-perturbative Corrections to B→D(∗)lνB\to D^{(*)}lνB→D(∗)lν

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Perturbative and Non-perturbative Corrections to $B\to D^{(*)}lν$