LHT中的轻子味破坏--与超对称性的明显区别
Lepton Flavor Violation in the LHT - A Clear Distinction from Supersymmetry
摘要:
具有T宇称的最小希格斯模型(LHT)在夸克和轻子扇区都包含了新的味源和CP破坏。这些都起源于新的重规范玻色子介导的普通费米子与镜像费米子的相互作用。在轻子区,微小的中微子质量会使标准模型的预测比实验可达到的水平低许多个数量级,这与标准模型(SM)有很大的偏差。在这里,我们给出了一个简短的总结LFV过程相关的可预见的未来,并指出,LHT中的LFV衰变的分支比之间的相关性表现出的结构大大不同于他们的类似物中的MSSM,从而允许这两个模型之间的透明区分。
英文摘要:
The Littlest Higgs Model with T-Parity (LHT) contains new sources of flavor and CP violation both in the quark and lepton sector. These have their origin in interactions of ordinary fermions with mirror fermions mediated by new heavy gauge bosons. Large deviations from the Standard Model (SM) are to be expected in the lepton sector where tiny neutrino masses suppress the SM predictions by many orders of magnitude below the experimentally accessible level. Here we give a brief summary of LFV processes relevant for the foreseeable future and point out that correlations between branching ratios of LFV decays in the LHT exhibit a structure vastly different from their analogues in the MSSM, thus allowing for a transparent distinction between these two models.
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