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

Andreas S. Kronfeld

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Perturbative and Non-perturbative Corrections to Bto D^((*))lν

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arxiv hep-lat/9909085 v1 pith:MM7RAKGK submitted 1999-09-10 hep-lat

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

Andreas S. Kronfeld This is my paper

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abstract

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 $1/m_Q$.

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

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