作为中微子物理学来源的极简跷跷板-暗物质生成机制
Minimalist Seesaw-Scotogenic Mechanism as a Source for Neutrino Physics
浏览论文内容
中文总结 AI 辅助
研究利用\(D_4\)对称性、添加特定粒子构建框架，解释中微子质量与暗物质，树图和单圈贡献产生相关质量分裂与混合，纳入CP破坏相位，还稳定暗物质候选者，其质量符合相关限制。
中文摘要 AI 辅助
我们确定了在离散暗物质背景下，能够同时解释中微子质量和暗物质部分的最小离散味对称性和最小场内容。通过添加三个右手型中微子和三个标量双重态，利用\(D_4\)对称性实现了最小化。在此框架内，树图和单圈贡献产生了观测到的太阳-大气质量分裂以及中微子混合。此外，通过纳入CP破坏相位，该模型成功容纳了正常和反转排序。自发的\(D_4\)破缺留下残余的\(\mathbb{Z}_2\)对称性，稳定了暗物质候选者，其预测质量在50-200 GeV范围内，与LUX-ZEPLIN限制一致。
英文摘要
We identify the smallest discrete flavor symmetry and minimal field content that can simultaneously account for neutrino masses and the dark sector in the context of the discrete dark matter. Minimality is achieved with a $D_4$ symmetry by adding three right-handed neutrinos and three scalar doublets. Within this framework, tree-level and one-loop contributions yield the observed solar--atmospheric mass splitings as well as the observed neutrino mixings. Furthermore, by including CP-violating phases, the model successfully accommodates both normal and inverted ordering. Spontaneous $D_4$ breaking leaves a residual $\mathbb{Z}_2$ symmetry that stabilizes the dark matter candidate, with a predicted mass within the $50$--$200$ GeV range, consistent with LUX-ZEPLIN limits.
