Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
1993-12-07
Physics
High Energy Physics
High Energy Physics - Phenomenology
3 pages, uuencoded compressed postscript file, to appear in the Proceedings of the International Europhysics Conference on Hig
Scientific paper
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 $\beta=6.2$, 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 $\bar B\to D^*l\bar\nu\,$\ differential decay width.
Lellouch Laurent
UKQCD Collaboration
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