arXivDaily arXiv每日学术速递 周一至周五更新
arXiv周末暂无论文更新,休息一下吧,周末愉快~~
arXiv 1002.2010hep-ph
收藏

TC2模型和LHT模型中的稀有衰变B \to Mν \bar ν

Rare decays B\to Mν\barν in the TC2 model and the LHT model

Chong-Xing Yue, Jiao Zhang, Wei Liu

摘要:

在顶色辅助人工色($TC2$)模型和具有$T$宇称的最小Higgs模型($LHT$模型)的框架下,我们考虑了稀有B衰变$B\to Mν\barν$与$M=π,K,ρ,$或$K^{\ast}$的相互作用.我们发现$TC2$模型对这些衰变过程的分支比的贡献大于$LHT$模型。某些分支比的实验上限可以对$TC2$模型的自由参数给出严格的约束。

英文摘要:

In the framework of the topcolor-assisted technicolor ($TC2$) model and the littlest Higgs model with $T$-parity ($LHT$ model), we consider the rare B decays $B\to Mν\barν$ with $M=π,K,ρ,$ or $K^{\ast}$. We find that the contributions of the $TC2$ model to the branching ratios of these decay processes are larger than those for the $LHT$ model. The experimental upper limits for some branching ratios can give severe constraints on the free parameters of the $TC2$ model.

机构、总结、中文摘要均由AI分析而来,可能存在错误,请以论文正文为准。

↑