Analysis of Lambda_b to Lambda_c Weak Decays in Heavy Quark Effective Theory
High Energy Physics - Phenomenology
2011-01-27 v1
Abstract
The Lambda_b to Lambda_c semileptonic decay is analyzed in the framework of heavy quark effective theory to the order of 1/m_c and 1/m_b. The QCD sum rule and large N_c predictions to the decay form factors are applied. It argues that the subleading baryonic Isgur-Wise function in the large N_c limit vanishes. The decay rates, distributions and asymmetry parameters are calculated numerically. Some of the nonleptonic decay modes are discussed in the end.
Cite
@article{arxiv.hep-ph/9803489,
title = {Analysis of Lambda_b to Lambda_c Weak Decays in Heavy Quark Effective Theory},
author = {Jong-Phil Lee and Chun Liu and H. S. Song},
journal= {arXiv preprint arXiv:hep-ph/9803489},
year = {2011}
}
Comments
20 pages, latex, 4 figures, to appear in Phys. Rev. D (1998)