论文标题
黑暗区域混合对瘦素标量暗物质的含义
Implications of dark sector mixing on leptophilic scalar dark matter
论文作者
论文摘要
我们提出了一种新的可行前景，以使单线与双重麻烦的黑暗区域之间的混合。此选择放松了典型标量单元DM的暗物质（DM）搜索约束，并为其在实验室中发现了新的机会。混合以量规不变的方式产生任意质量差异，而无需在理论中引入任何新的Electroweak对称性破坏。它还提供了一个有用的手柄，以区分不同同义的黑暗扇区粒子，否则，这是一项具有挑战性的任务。随着深色瘦素在非通知的情况下同时进行，混合有效地增强了遗物密度约束的可行参数空间。在低DM质量制度中，我们的分析表明，通过非零混合，可以放松DM标准模型耦合上限上现有的间接搜索边界。从分析$3τ+ e^{miss} _t $和$ \ ell \，τ+ e^{miss} _t $通道，lhc at $ \ sqrt {s} = 13 $ tev，我们表明，我们证明一个人可以通过在峰值和尾部的黑暗扇区粒子之间的混合参数之间的混合参数之间存在，以确保kin和tail the the the tail the the the the kin kin kin kin the the Theepent showem the Thement the Thement shore的存在。即使对可行参数区域内其他自由参数的值进行了调整，运动分布的不同峰和尾部位置仍然是模型的恒定特征。尽管两个通道都为我们提供了在LHC/HL-LHC处检测混合特征的机会，但前者就较大的混合参数区域提供了更好的结果。从基准的横截面中，显示了$ {\ mathscr l} = 3〜 \ text {ab}^{ - 1} $的预计统计显着性，以遵守所有现有的约束，在所有可能的可能性可以检测出这样的签名的情况下，显示了所有现有的约束。
We propose a new viable outlook to the mixing between a singlet and a doublet leptonic dark sector fields. This choice relaxes the dark matter (DM) search constraints on the quintessential scalar singlet DM as well as presents new opportunities for its detection in the lab. The mixing produces an arbitrary mass difference between the two components of the extra doublet in a gauge-invariant way, without introducing any new scale of electroweak symmetry breaking in the theory. It also provides a useful handle to distinguish between the dark sector particles of different isospins, which is a challenging task otherwise. As the dark leptons coannihilate non-trivially, the mixing effectively enhances the viable parameter space for the relic density constraint. In low DM mass regime, our analysis shows that with a non-zero mixing, it is possible to relax the existing indirect search bounds on the upper limit of the DM-Standard Model coupling. From the analysis of the $3τ+ E^{miss}_T$ and $\ell\,τ+ E^{miss}_T$ channels for LHC at $\sqrt{s} = 13$ TeV, we show that one ensures the presence of the mixing parameter between the dark sector particles of the theory by looking at the peak and tail positions of the kinematic distributions. Even with a tweak in the values of other free parameters within the viable parameter region, the distinct peak and tail positions of the kinematic distributions remains a constant feature of the model. While both the channels present us the opportunity to detect the mixing signature at the LHC/HL-LHC, the former gives better results in terms of a larger region of mixing parameter. From the fiducial cross section, the projected statistical significance for the integrated luminosity, ${\mathscr L} = 3~\text{ab}^{-1}$, are shown for a combined parameter region obeying all the existing constraints, where there is the best possibility to detect such a signature.
