中文

束缚态孤子模型中的含粲和底重子体系

高能物理 - 唯象学 2015-06-25 v2

摘要

在手征孤子模型的束缚态方法的刚性振子版本中,估计了具有重味(粲和底)的重子数B=2、3和4的重子体系(BS)的结合能。注意到两个趋势:结合能随着味的质量增加而增加,并随着B的增加而增加。因此,含粲或底的重子体系比之前讨论的奇异重子体系更有可能被束缚。考虑了衰变常数F中的味对称性破缺,这对于具有底量子数的重子体系尤为重要。一般来说,对于重味,BS结合能的尺度取决于r_F=F_F/F_π中味对称性破缺的尺度。

关键词

引用

@article{arxiv.hep-ph/9805296,
  title  = {Baryonic systems with charm and bottom in the bound state soliton model},
  author = {V. B. Kopeliovich},
  journal= {arXiv preprint arXiv:hep-ph/9805296},
  year   = {2015}
}

备注

9 pages, no figures. Modified version of a talk presented at the International Workshop JHF98 on Science at Japan Hadron Facility (KEK, Tsukuba, March 4-7, 1998). Some statements concerning the case of very heavy quark flavor are changed and several misprints are removed