\Lambda_b Lifetime from the HQET Sum Rule
High Energy Physics - Phenomenology
2017-08-23 v1
Abstract
The HQET sum rule analysis for the \Lambda_b matrix element of the four-quark operator relevant to its lifetime is reported. Our main conclusion is that the lifetime ratio \tau(\Lambda_b)/\tau(B^0) can be as low as 0.91.
Cite
@article{arxiv.hep-ph/0112204,
title = {\Lambda_b Lifetime from the HQET Sum Rule},
author = {Chao-Shang Huang and Chun Liu and Shi-Lin Zhu},
journal= {arXiv preprint arXiv:hep-ph/0112204},
year = {2017}
}
Comments
5 pages, latex, no figures, uses sprocl.sty (included). Talk by C. Liu at Int. Conf. on Flavor Phys., Zhang-Jia-Jie, 31/5-6/6 2001