论文标题

中性粒细胞Higgs+SeeSAW模型中违反Lepton风味的过程

Charged Lepton Flavor Violating processes in Neutrinophilic Higgs+Seesaw model

论文作者

Haba, Naoyuki, Omija, Tsuneharu, Yamada, Toshifumi

论文摘要

我们研究了“中性粒细胞Higgs+Seesaw模型”中违反带电的Lepton风味(CFLV)过程,其中仅与额外的Higgs领域相对于额外的Higgs领域,该领域会发展出很小的VEV,而右手中微子也具有大量的大量。该模型在TEV量表周围实现了一种锯机构,而没有极小的Dirac Yukawa耦合。该模型的现象学特征是由带电标量颗粒和重中微子的环图引起的CFLV过程。因此,首先,我们将模型的参数空间从搜索$μ\到eγ$的限制。接下来,我们预测其他CFLV过程的分支比率,包括$μ\ to3e $,$μ+{\ rm al} \ to e+{\ rm al} $,$μ+{\ rm ti}} $ h \ toeτ$,$ h \toμτ$过程,并在将来的实验中讨论其可检测性。

We investigate charged lepton flavor violating (CFLV) processes in the `neutrinophilic Higgs+seesaw model', in which right-handed neutrinos couple only with an extra Higgs field which develops a tiny VEV and the right-handed neutrinos also have Majorana mass. The model realizes a seesaw mechanism around TeV scale without extremely small Dirac Yukawa couplings. A phenomenological feature of the model is CFLV processes induced by loop diagrams of the charged scalar particles and heavy neutrinos. Therefore, first we constrain the model's parameter space from the search for $μ\to eγ$. Next, we predict the branching ratios of other CFLV processes including the $μ\to3e$, $μ+{\rm Al}\to e+{\rm Al}$, $μ+{\rm Ti}\to e+{\rm Ti}$, $Z\to eμ$, $Z\to eτ$, $Z\to μτ$, $h\to eτ$, $h\toμτ$ processes, and discuss their detectability in future experiments.

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