论文标题
沮丧的暗物质的独特信号
Distinctive signals of frustrated dark matter
论文作者
论文摘要
我们研究了Dirac Fermion暗物质（DM）的可重算法模型，该模型通过一对介体（一个标量，一个费米昂）与标准模型（SM）进行通信，以表示$（\ boldsymbol {6}，\ boldsymbol {6}，\ boldsymbol {1} $ \ text {su}（3）_ {\ text {c}} \ times \ text {su}（2）_ {\ text {l}} \ times \ times \ text \ text \ text {u}（1）_y $。尽管此类作业排除了将暗物质与树级上的标准模型直接耦合，但我们研究了当调解人很重时以一环订单生成的许多有效运算符，并发现它们通常在现象学上相关。我们重新解释了dijet和成对产生的共振，以及$ \ text {jets} + e _ {\ text {t {t}}}^{\ text {miss}} $搜索在大型强子碰撞器（lhc）上搜索，以限制介体部门，我们检查了dm dm dm dm dm resists rangiet rangiet rang rang rang rang rang rang rangect的阵列h^2 _ {\ text {planck}} $间接和直接搜索暗物质。 Tree-level annihilation, available for DM masses starting at the TeV scale, is required in order to produce $Ω_χ h^2_{\text{Planck}}$ through freeze-out, but loops -- led by the dimension-five DM magnetic dipole moment -- are nonetheless able to produce signals large enough to be constrained, particularly by the XENON1T experiment.在某些基准测试中，我们发现通过实验打开的相当数量的参数空间，并且与冻结兼容。但是，在其他情况下，开放空间很小，这表明需要进一步建造模型和/或非标准宇宙学。
We study a renormalizable model of Dirac fermion dark matter (DM) that communicates with the Standard Model (SM) through a pair of mediators -- one scalar, one fermion -- in the representation $(\boldsymbol{6},\boldsymbol{1}, \tfrac{4}{3})$ of the SM gauge group $\text{SU}(3)_{\text{c}} \times \text{SU}(2)_{\text{L}} \times \text{U}(1)_Y$. While such assignments preclude direct coupling of the dark matter to the Standard Model at tree level, we examine the many effective operators generated at one-loop order when the mediators are heavy, and find that they are often phenomenologically relevant. We reinterpret dijet and pair-produced resonance and $\text{jets} + E_{\text{T}}^{\text{miss}}$ searches at the Large Hadron Collider (LHC) in order to constrain the mediator sector, and we examine an array of DM constraints ranging from the observed relic density $Ω_χ h^2_{\text{Planck}}$ to indirect and direct searches for dark matter. Tree-level annihilation, available for DM masses starting at the TeV scale, is required in order to produce $Ω_χ h^2_{\text{Planck}}$ through freeze-out, but loops -- led by the dimension-five DM magnetic dipole moment -- are nonetheless able to produce signals large enough to be constrained, particularly by the XENON1T experiment. In some benchmarks, we find a fair amount of parameter space left open by experiment and compatible with freeze-out. In other scenarios, however, the open space is quite small, suggesting a need for further model-building and/or non-standard cosmologies.
