论文标题
最小$ b-l $模型中的深色光子暗物质
Dark Photon Dark Matter in the minimal $B-L$ Model
论文作者
论文摘要
标准模型（SM）具有三个重右中微子，一个复杂的标量和尺寸的$ u（1）_ {\ rm b-l} $对称（最小$ b-l $模型）的扩展是最引人注目的最小值：存在和超平衡的中等水平及其平衡的偏移量，而右手的偏差可以占据较小的右手群体，而右手却是小问题的含量。宇宙的不对称。一个自然的伴随问题涉及最小的$ b-l $模型自然可以容纳有趣的暗物质（DM）候选人。我们研究了当前DM人群通过$ u（1）_ {\ rm b-l} $对称的量规玻色解释的可能性。我们讨论最初针对SEESAW机制的最小设置和瘦素发生如何与使仪表玻色子促进DM候选者的条件有关。
The extension of the Standard model (SM) with three heavy right handed neutrinos, a complex scalar and the gauged $U(1)_{\rm B-L}$ symmetry (the minimal $B-L$ model) is considered the most compelling minimal one: the presence and the out-of-equilibrium decay of the heavy right handed neutrinos can account for the small masses of the active neutrinos and the baryon asymmetry of the universe. A natural accompanying question concerns whether the minimal $B-L$ model can naturally accommodate an interesting dark matter (DM) candidate. We study the possibility where the current DM population is explained by the gauge boson of $U(1)_{\rm B-L}$ symmetry. We discuss how the minimal set-up originally aimed at the seesaw mechanism and the leptogenesis is connected to conditions making the gauge boson promoted to a DM candidate.
