从 HQET 求和规则计算 \Lambda_b 寿命
高能物理 - 唯象学
2017-08-23 v1
摘要
报告了关于 \Lambda_b 矩阵元的 HQET 求和规则分析，该矩阵元是与其寿命相关的四夸克算子。我们的主要结论是，寿命比 \tau(\Lambda_b)/\tau(B^0) 可以低至 0.91。
关键词
引用
@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}
}
备注
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