论文标题

隐藏的本地$ u(1)$和lfv流程$ \ ell_i \ to \ell_jγ$,$μ\ to e z'$和$μe\ to e e $

A radiatively induced neutrino mass model with hidden local $U(1)$ and LFV processes $\ell_i \to \ell_j γ$, $μ\to e Z'$ and $μe \to e e$

论文作者

Nomura, Takaaki, Okada, Hiroshi, Uesaka, Yuichi

论文摘要

我们研究了一个基于隐藏的$ u(1)_x $量规对称性的模型,在该模型中,通过隐藏扇区和标准模型leptons中粒子之间的相互作用,在一环级别诱导中微子质量。中微子质量的产生也与$ u(1)_x $断裂量表相关联,这被认为是低抑制中微子质量的。然后,我们制定中微子质量矩阵,违反Lepton风味的过程和MUON $ G-2 $,这些过程是通过$ U(1)_x $隐藏扇区中的标准模型Leptons和颗粒之间的相互作用引起的,在我们的情况下可能很可见。进行数值分析,我们显示出这些过程的预期比率是生成中微子质量基质可以符合中微子数据的预期比率。

We investigate a model based on hidden $U(1)_X$ gauge symmetry in which neutrino mass is induced at one-loop level by effects of interactions among particles in hidden sector and the Standard Model leptons. Neutrino mass generation is also associated with $U(1)_X$ breaking scale which is taken to be low to suppress neutrino mass. Then we formulate neutrino mass matrix, lepton flavor violating processes and muon $g-2$ which are induced via interactions among Standard Model leptons and particles in $U(1)_X$ hidden sector that can be sizable in our scenario. Carrying our numerical analysis, we show expected ratios for these processes when generated neutrino mass matrix can fit the neutrino data.

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