从3-3-1模型中出现的CP违反2 HDM
CP-Violating 2HDMs Emerging from 3-3-1 Models
摘要：
我们研究了CP破坏2 Higgs二重态模型作为一个有效的理论出现在模型与$SU(3)_L \otimes U(1)_X$规范对称性。由于电弱对称性的扩展，汤川相互作用的特征结构在电弱尺度下出现了新的CP破坏相。在这种情况下，带电的希格斯玻色子玻色子环在单圈水平上对中子电偶极矩（nEDM）提供了占主导地位的和相当大的贡献。我们发现，预测的nEDM可以略小于目前的上限，${\cal O}(10^{-26})\,e\,\text{cm}$，与带电的希格斯玻色子和新的CP违反相的质量是几百GeV和$\mathcal{O}(1)$，分别从介子混合的约束下，$B \to X_s γ$衰变和当前的LHC数据。
英文摘要：
We investigate CP violating 2 Higgs doublet models as an effective theory emerging from models with an $SU(3)_L \otimes U(1)_X$ gauge symmetry. Because of the extension of the electroweak symmetry, a characteristic structure of Yukawa interactions appears with new CP violating phases at the electroweak scale. In this scenario, the charged Higgs boson loop provides dominant and sizable contributions to the neutron electric dipole moment (nEDM) at one-loop level. We find that the prediction of the nEDM can be slightly smaller than the current upper limit, ${\cal O}(10^{-26})\,e\,\text{cm}$, with the mass of the charged Higgs boson and new CP violating phases to be a few hundred GeV and $\mathcal{O}(1)$, respectively, under the constraints from the meson mixings, the $B \to X_s γ$ decay and current LHC data.
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