对齐的CP破坏希格斯扇区抵消电偶极矩
Aligned CP-violating Higgs sector canceling the electric dipole moment
摘要：
我们讨论了一般双Higgs偶态模型的对齐情形中的CP破坏效应，其中Higgs势和Yukawa相互作用提供了额外的CP破坏相.为了避免危险的味道改变中性电流，对汤川相互作用进行了调整。希格斯势也被排列成使得最轻的希格斯玻色子的耦合常数与标准模型的耦合常数相同，最轻的希格斯玻色子被确定为发现的希格斯玻色子，质量为125 GeV。在一般情况下，CP违反相起源于汤川相互作用和希格斯势的强烈约束的电偶极矩（EDM）的电流数据。结果发现，在我们的情况下，从两个来源的CP破坏的贡献可以是破坏性的，因此他们的总贡献可以满足EDM的结果，即使每个CP破坏阶段是大的。这样一个大的CP破坏相可以在对撞机实验中通过观察由额外的希格斯玻色子衰变产生的粒子的角分布来测试。
英文摘要：
We discuss the effect of CP violation in the aligned scenario of the general two-Higgs-doublet model, in which the Higgs potential and the Yukawa interaction provide additional CP-violating phases. An alignment is imposed to the Yukawa interaction in order to avoid dangerous flavor changing neutral currents. The Higgs potential is also aligned such that the coupling constants of the lightest Higgs boson, which is identified as the discovered Higgs boson with the mass of 125 GeV, are the same as those of the standard model. In general, CP-violating phases originated by the Yukawa interaction and the Higgs potential are strongly constrained by the current data for the electric dipole moment (EDM). It is found that in our scenario contributions from the two sources of CP violation can be destructive and consequently their total contribution can satisfy the EDM results, even when each CP-violating phase is large. Such a large CP-violating phase can be tested at collider experiments by looking at the angular distributions of particles generated by the decays of the additional Higgs bosons.
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