论文标题
一般$ u（1）_x $扩展标准模型的替代暗物质现象学
Alternative dark matter phenomenology in a general $U(1)_X$ extension of the Standard Model
论文作者
论文摘要
中微子质量和风味混合的存在已经过实验验证。这些现象强烈激励扩展标准模型（SM）。在许多可能性中，可以使用SM量规组的一般u $（1）_x $扩展来研究SM的简单且有趣的扩展。要求取消量规和混合重力异常，在此模型中引入了三个右手中微子，其中U $（1）_x $ cuccy tossments成为U $（1）_ {\ rm {b-l-l}}} $（1）$（1）$（1）$（1）$（1）_y（1）_y _y $ $ $ affer-charge的线性组合。在u $（1）_x $中断之后，额外的中性量规玻色子，$ z^\ prime $被进化，中微子质量是由Seesaw机构生成的。在这样的模型中，我们研究了暗物质（DM）候选者的特性，该暗物质（DM）是一种巨大的弱相互作用的粒子和狄拉克类型。 DM的稳定性受其U $（1）_x $充电的保护。使用大型强子对撞机（LHC）的$ z^\ prime $的搜索结果的当前界限以及深色物质遗物丰度，我们发现了场景中现象学上可行的参数空间。
The existence of the neutrino mass and flavor mixing have been experimentally verified. These phenomena strongly motivate to extend the Standard Model (SM). Amongst many possibilities, a simple and interesting extension of the SM can be investigated using a general U$(1)_X$ extension of the SM gauge group. Demanding the cancellation of the gauge and mixed gauge gravity anomalies, three right handed neutrinos are introduced in this model where the U$(1)_X$ charge assignment becomes a linear combination of U$(1)_{\rm{B-L}}$ and U$(1)_Y$ hyper-charges. After the U$(1)_X$ breaking, an additional neutral gauge boson, $Z^\prime$ is evolved and the neutrino mass is generated by the seesaw mechanism. In such a model we investigate the properties of a Dark Matter (DM) candidate which is a massive weakly interacting particle and Dirac type in nature. The stability of the DM is protected by its U$(1)_X$ charge. Using the current bounds on the search results of $Z^\prime$ at the Large Hadron Collider (LHC) and the dark matter relic abundance we find a phenomenologically viable parameter space of our scenario.
