论文标题

SU(N)的(抗)对称的轴承质量

Axion quality from the (anti)symmetric of SU(N)

论文作者

Ardu, Marco, Di Luzio, Luca, Landini, Giacomo, Strumia, Alessandro, Teresi, Daniele, Wang, Jin-Wei

论文摘要

我们提出了两个模型,其中u(1)peccei-quinn全局对称是偶然产生的,并受到高维运算符的尊重,因此即使在普兰克抑制的运算符的情况下,对强CP问题的斧头解决方案也成功了。一种模型是SU $(N)$量规交互,与基本中的费米子和对称性标量中的标量相互作用。轴轴是由自发对称性破裂到$(n)$的,该$限制在较低的能量尺度上。模型中的轴质量需要$ n \ gtrsim 10 $。因此,绑定的状态和可能的单孔提供了超出轴突以外的额外的暗物质候选者。在第二款模型中,标量在反对称:SU $(N)$中损坏的Sp $(n)$甚至需要$ n \ gtrsim 20 $。如果PQ对称性在通货膨胀(Boltzmann抑制了超重型文物的产生)或之后(超重型遗物)或热平衡中的超重亲rec(由深色胶状腐烂稀释)),宇宙学的DM丰度(由轴和/或超重文物组成)可以重现。

We propose two models where a U(1) Peccei-Quinn global symmetry arises accidentally and is respected up to high-dimensional operators, so that the axion solution to the strong CP problem is successful even in the presence of Planck-suppressed operators. One model is SU$(N)$ gauge interactions with fermions in the fundamental and a scalar in the symmetric. The axion arises from spontaneous symmetry breaking to SO$(N)$, that confines at a lower energy scale. Axion quality in the model needs $N \gtrsim 10$. SO bound states and possibly monopoles provide extra Dark Matter candidates beyond the axion. In the second model the scalar is in the anti-symmetric: SU$(N)$ broken to Sp$(N)$ needs even $N \gtrsim 20$. The cosmological DM abundance, consisting of axions and/or super-heavy relics, can be reproduced if the PQ symmetry is broken before inflation (Boltzmann-suppressed production of super-heavy relics) or after (super-heavy relics in thermal equilibrium get partially diluted by dark glue-ball decays).

扫码加入交流群

加入微信交流群

微信交流群二维码

扫码加入学术交流群,获取更多资源