论文标题
从微弱相互作用的暗物质领域的诱导生成
Leptogenesis from a feebly interacting dark matter sector
论文作者
论文摘要
在通过两个费米对标准模型的简单扩展的背景下，我们对瘦生成进行分析。除三个右撇子中微子（$ n_i $）外，还有一个（$χ$）和一个中性（$ψ$），还通过充电的量规单程标量$ S $进行交互。黑暗部门（$χ$，$ψ$和$ S $）相互作用，并产生与测量值一致的遗物密度。右撇子中微子衰减到带电的标量$ s $和Lepton中，提供了CP不对称的附加来源，并通过标准衰减渠道的虚拟交换来贡献。这样，右撇子中微子的不平衡衰减与Lepton数字变化的散射过程相结合，即使对于10个TEV地区的右手中微子质量，宇宙的散射过程也会产生所需的宇宙的不对称性，而无需中微子不需要中微子的质量。
We perform an analysis of leptogenesis in the context of a simple extension of the Standard Model by two fermions; one charged ($χ$) and one neutral ($ψ$), in addition to three right-handed neutrinos, $N_i$, interacting through a charged gauge singlet scalar $S$. The dark sector ($χ$, $ψ$ and $S$) interacts feebly and produces a relic density consistent with measurements. The decay of right-handed neutrinos into the charged scalar $S$ and lepton provides an additional source of CP asymmetry, along with contributing through the virtual exchange of $S$ in the standard decay channel. With this the out-of-equilibrium decay of right-handed neutrinos, combined with lepton number changing scattering processes can generate the required baryon asymmetry of the universe even for right-handed neutrino masses in 10 TeV region, without requiring neutrinos to have degenerate masses.
