中文

超子β衰变中的SU(3)破缺:对$\Xi^0 \to \Sigma^+ e \bar{\nu}$的预言

高能物理 - 唯象学 2009-10-31 v1

摘要

讨论了超子半轻子衰变中的SU(3)破缺。提取了与“质子自旋之谜”相关的SU(3)参数FFDD,并对目前KTeV合作组正在研究的衰变Ξ0Σ+eνˉ\Xi^0 \to \Sigma^+ e \bar{\nu}给出了预言。得到的值为g1/f1=1.16±0.03±0.01g_1/f_1 = 1.16\pm0.03\pm0.01Γ=(0.80±0.03±0.01)×106s1\Gamma = (0.80\pm0.03\pm0.01) \times 10^6 \, \text{s}^{-1}

关键词

引用

@article{arxiv.hep-ph/9807394,
  title  = {SU(3) Breaking in Hyperon Beta Decays: a Prediction for Xi0 -> Sigma+ e anti-neutrino},
  author = {Philip G. Ratcliffe},
  journal= {arXiv preprint arXiv:hep-ph/9807394},
  year   = {2009}
}

备注

Presented at the III Int. Conf. on Hyperons, Charm and Beauty Hadrons (Genova, June-July 1998). 3 pages, LaTeX2e, uses fleqn, espcrc2, acromake and axodraw packages (incl.)