论文标题
真正的V型SEESAW模型：现象学介绍
The Genuine Type-V Seesaw Model: Phenomenological Introduction
论文作者
论文摘要
我们研究了一个模型，该模型通过具有质量差异9的低能有效操作员在树级处产生主要中微子肿块。引入这样的较高维操作员会使Lepton数字违反质量规模，从而使此类模型目前可以测试，目前可以测试。该模型拥有几个新的$ su（2）_l $ fermionic多重组，尤其是三代三元组，四倍体和quintuplets，因此在LHC上具有丰富的现象学。由于这种设置非常自然地出现了轻子味的侵犯，因此我们对Yukawa耦合和重型费米昂的限制对违反Lepton风味的过程的实验界限产生了巨大的费用质量。我们还使用最近在TEV质量能量中心13的Multilepton Final States搜索的Multilepton Final States搜索了Multilepton最终状态的CMS搜索最终的CMS搜索，我们还获得了三胞胎，四倍和五胞胎的质量的95％Cl下限。还讨论了在LHEC，FCC-HE，Mathusla等的未来山脉中，沉重的费米子可能长期存在的持久的电荷轨道签名或流离失所的顶点。
We study a model which generates Majorana neutrino masses at tree-level via low-energy effective operator with mass-dimension-9. Introduction of such a higher dimensional operator brings down the lepton number violating mass scale to TeV making such model potentially testable at present or near future colliders. This model possesses several new $SU(2)_L$ fermionic multiplets, in particular, three generations of triplets, quadruplets and quintuplets, and thus a rich phenomenology at the LHC. As the lepton flavour violation arises very naturally in such setup, we put constraints on the Yukawa couplings and heavy fermion masses from the current experimental bounds on lepton flavour violating processes. We also obtain 95% CL lower bounds on the masses of the triplets, quadruplets and quintuplets using a recent CMS search for multilepton final states with 137 inverse femtobarn integrated luminosity data at 13 TeV center of mass energy. The possibility that the heavy fermions could be long-lived leaving disappearing charge track signatures or displaced vertex at the future colliders like LHeC, FCC-he, MATHUSLA, etc. is also discussed.
