中文

R宇称破坏的顶夸克衰变与中微子质量

高能物理 - 唯象学 2007-05-23 v1

摘要

大气和太阳中微子问题可以在R宇称被双线性破坏的超对称场景中得到解释。在此背景下,我们探索了顶夸克超对称粒子的衰变。我们发现,R宇称破坏的衰变t~1>bτ\tilde t_1 -> b \tau可以轻易地超过R宇称守恒的衰变t~1>cχ~10\tilde t_1 -> c \tilde\chi^0_1,有时也超过衰变t~1>bχ~1+\tilde t_1 -> b \tilde\chi^+_1。我们研究了GUT尺度下非普适边界条件的影响。

关键词

引用

@article{arxiv.hep-ph/9911274,
  title  = {Stop Decays with R-Parity Violation and the Neutrino Mass},
  author = {Marco Aurelio Diaz},
  journal= {arXiv preprint arXiv:hep-ph/9911274},
  year   = {2007}
}

备注

5 pages, 8 figures. Talk given at the International Workshop on Particles in Astrophysics and Cosmology: From Theory to Observation, Valencia, Spain, May 3-8, 1999