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arXiv · hep-ph/9312241

The Isgur-Wise Function from the Lattice

Laurent Lellouch·UKQCD Collaboration
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Abstract

We calculate the Isgur-Wise function by measuring the elastic scattering amplitude of a $D$ meson in the quenched approximation on a $24^3\times48$ lattice at $β=6.2$, using an $O(a)$-improved fermion action. We use this result, in conjunction with heavy-quark symmetry, to extract $|V_{cb}|$ from the experimentally measured $\bar B\to D^*l\barν\,$\ differential decay width.

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Laurent Lellouch, UKQCD Collaboration. 1993-12-08. The Isgur-Wise Function from the Lattice. https://arxiv.org/abs/hep-ph/9312241

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