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arXiv · hep-ph/9402249

Model Independent Extraction of $|V_{\rm bc}|$ Without Heavy Quark Symmetry

T. D. Cohen·J. Milana
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Abstract

A new method to extract $|V_{\rm bc}|$ is proposed based on a sum--rule for semileptonic decays of the $B$ meson. The method relies on much weaker assumptions than previous approaches which are based on heavy--quark symmetry. This sum--rule only relies on the assumption that the virtual $c \overline{c}$ pair content of the $B$ meson can be neglected. The extraction of the CKM matrix element also requires that the sum--rule saturates in the kinematically accessible region.

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T. D. Cohen, J. Milana. 1994-02-16. Model Independent Extraction of $|V_{\rm bc}|$ Without Heavy Quark Symmetry. https://doi.org/10.1103/physrevd.50.r21

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