Lightness of a Higgs boson and spontaneous CP-violation in the Lee model: An alternative scenario
Mao YN(毛英男); Mao, YN; Zhu, SH
刊名PHYSICAL REVIEW D
2016
卷号94期号:5
DOI10.1103/PhysRevD.94.055008
文章类型Article
英文摘要Based on the weakly coupled spontaneous CP-violation two-Higgs-doublet model (called the Lee model) and the mechanism to generate the correlation between the smallness of CP violation and the lightness of the scalar mass, as we proposed earlier, we predict a light CP mixing scalar eta in which the pseudoscalar component is dominant. It is a natural scenario in which m(eta) similar to O(10 GeV) << v. It means new physics might be hidden below the electroweak scale v. Masses of all other scalars (h, H, H-+/-) should be around the electroweak scale v. Among them, the 125 GeV Higgs boson (h) couplings are standard-modellike, and the charged Higgs boson (H-+/-) mass should be around the heaviest neutral scalar (H) mass. We discussed all experimental constraints and showed that this scenario is still allowed by data. The strictest constraints come from the flavor violation experiments and the electric dipole moments of the electron and neutron. We also discussed the future tests for this scenario. It is possible to discover the extra scalars or exclude this scenario at future colliders, especially at the LHC and e(+)e(-) colliders with O(ab(-1)) luminosity. We also pointed out that the Z-mediated Higgs pair production via e(+)e(-) -> h(i)h(j) (h(i), h(j) stand for two of the., h, H) would be the key observable to confirm or exclude CP violation in the Higgs sector. The sensitivity to test this scenario is worth studying in greater detail.
关键词[WOS]ELECTRIC-DIPOLE MOMENT ; ELECTROWEAK SYMMETRY-BREAKING ; STANDARD MODEL ; SUPERSYMMETRIC MODEL ; PP COLLISIONS ; CKM MATRIX ; SEARCH ; MASS ; LHC ; NONCONSERVATION
语种英语
WOS记录号WOS:000383240900005
引用统计
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/260664
专题中国科学院高能物理研究所_理论物理室_期刊论文
作者单位中国科学院高能物理研究所
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Mao YN,Mao, YN,Zhu, SH. Lightness of a Higgs boson and spontaneous CP-violation in the Lee model: An alternative scenario[J]. PHYSICAL REVIEW D,2016,94(5).
APA 毛英男,Mao, YN,&Zhu, SH.(2016).Lightness of a Higgs boson and spontaneous CP-violation in the Lee model: An alternative scenario.PHYSICAL REVIEW D,94(5).
MLA 毛英男,et al."Lightness of a Higgs boson and spontaneous CP-violation in the Lee model: An alternative scenario".PHYSICAL REVIEW D 94.5(2016).
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