Exclusive $B\to K^{**} \gamma$ Decays in the QCD LCSR approach
High Energy Physics - Phenomenology
2007-05-23 v1
Abstract
We predict contributions of higher -resonances to the radiative rare decays , in the framework of the QCD sum rules on the light cone (LCSR). Our calculations are restricted to the leading twist-two operators for and to the asymptotic wave function for the other -mesons. Using experimental data on the semileptonic decays, we extract the corresponding decay constants for vector and axial-vector -mesons. We present results for the corresponding branching ratios and compare them with the existing theoretical predictions.
Cite
@article{arxiv.hep-ph/0204263,
title = {Exclusive $B\to K^{**} \gamma$ Decays in the QCD LCSR approach},
author = {A. S. Safir},
journal= {arXiv preprint arXiv:hep-ph/0204263},
year = {2007}
}
Comments
LaTeX,4 pages. Talk presented at the XXXVIIth Rencontres de Moriond: Electroweak Interactions and Unified Theories, Les Arcs, France, 9-16 March 2002