中文

来自质子衰变的最小SUSY GUT模型的新约束

高能物理 - 唯象学 2007-05-23 v2

摘要

我们给出了最小SU(5) SUSY GUT模型中质子衰变的重新分析结果。与之前的分析不同,我们考虑了带有右手物质场(RRRRRRRR算符)的五维算符的Higgsino dressing图。结果表明,该图对pK+νˉτp \to K^{+}\bar{\nu}_{\tau}过程有显著贡献。来自Super-Kamiokande极限对彩色Higgs质量MCM_C和sfermion质量mf~m_{\tilde{f}}的约束比之前的分析要强得多:对于mf~<1\tevm_{\tilde{f}} < 1 \tevMC>6.5×1016\gevM_C > 6.5\times 10^{16} \gev。如果要求该模型在普朗克尺度上仍然有效,则mf~\lsim2\tevm_{\tilde{f}} \lsim 2 \tev的最小模型被排除。

关键词

引用

@article{arxiv.hep-ph/9909251,
  title  = {New constraint on the minimal SUSY GUT model from proton decay},
  author = {Toru Goto and Takeshi Nihei},
  journal= {arXiv preprint arXiv:hep-ph/9909251},
  year   = {2007}
}

备注

Talk given by T. Nihei in International Symposium on Supersymmetry, Supergravity, and Superstring (SSS99), Seoul, Korea, June 23-27, 1999, based on the published work hep-ph/9808255. A reference added