论文标题
2HDM中的希格斯潜力以真实的三重态标量扩展：路线图
The Higgs Potential in 2HDM extended with a Real Triplet Scalar: A roadmap
论文作者
论文摘要
我们对两个HIGGS Doublet模型的HIGGS电位进行了全面研究，该模型通过真实的三重态标量列$δ$扩展。该型号被称为$ 2 \ Mathcal {HDM+T} $，具有丰富的Higgs Spectrum，由三个CP-Even Higgs $ H_ {1,2,3} $组成，一台CP-odd $ a_0 $和两对充电的Higgs higgs higgs $ higgs $ h^\ pm_ pm_^\ pm_ {1,2,2} $ {1,2} $。首先，我们确定从下方（BFB）的界限的扰动单位性约束和一组非琐碎条件。然后，我们通过考虑$ 2 \ Mathcal {HDM+T} $的Higgs Boson Self Energies的二次发散来得出Veltman条件。我们发现，这些理论约束以及LEP和LHC处的实验排除限制和HIGGS信号速率测量值严重界定了参数空间。然后，使用higgsbounds-5.3.2beta和higgsignals-2.2.3beta公共代码在$2σ$上进行排除测试，然后在$ 2 \ Mathcal {hdm+t} $的物理标量上执行。我们的分析提供了对非标准标量质量的明确见解，表明允许的范围对混合角度$α_1$的迹象非常敏感，本质上是涉及自然性的。对于$α_1<0 $方案，我们的结果在所有标量质量的范围内都更高限制，并表明对$（H_2，H_1^\ pm）$和$（H_3，H_2^\ pm）$在此间隔$ [130 \ ,,，246] $ 〜gev中几乎变化，[h_3，h_2^\ pm）$几乎变化 分别。当$α_1$变为正面时，我们表明与理论约束和当前LHC数据的一致性（本质上是在双hoton衰减频道上），偏爱宽阔的范围内变化的higgs群众：$ [153 \ ,, \，973] $ 〜gev，$ m_ gev for $ m_ for $ m_ {a_0} $; $ [151 \ ,, \，928] $ 〜gev（$ m_ {h_2} $，$ m_ {h_1^\ pm} $）和$ [186 \ ,, \，979] $ 〜gev for（$ m_ {h_3} $，$ m_ {h_3} $，$ m_ {最后，我们发现$γγ$和$zγ$ higgs衰减模式通常是相关的。
We perform a comprehensive study of The Higgs potential of the two Higgs doublet model extended by a real triplet scalar field $Δ$. This model, dubbed $2\mathcal{HDM+T}$, has a rich Higgs spectrum consisting of three CP-even Higgs $h_{1,2,3}$, one CP-odd $A_0$ and two pairs of charged Higgs $H^\pm_{1,2}$. First, we determine the perturbative unitarity constraints and a set of non trivial conditions for the boundedness from below (BFB). Then we derive the Veltman conditions by considering the quadratic divergencies of Higgs boson self energies in $2\mathcal{HDM+T}$. We find that the parameter space is severely delimited by these theoretical constraints, as well as experimental exclusion limits and Higgs signal rate measurements at LEP and LHC. Using HiggsBounds-5.3.2beta and HiggSignals-2.2.3beta public codes an exclusion test at $2σ$ is then performed on the physical scalars of $2\mathcal{HDM+T}$. Our analysis provides a clear insight on the nonstandard scalar masses, showing that the allowed ranges are strongly sensitive to the sign of mixing angle $α_1$, essentially when naturalness is involved. For $α_1 < 0$ scenario, our results place higher limits on the bounds of all scalar masses, and show that the pairs $(h_2, H_1^\pm)$ and $(h_3, H_2^\pm)$ are nearly mass degenerate varying within the intervals $[130\,,\,246]$~GeV and $[160\,,\,335]$~GeV respectively. When $α_1$ turns positive, we show that consistency with theoretical constraints and current LHC data, essentially on the diphoton decay channel, favors Higgs masses varying within wide allowed ranges: $[153\,,\,973]$~GeV for $m_{A_0}$; $[151\,,\,928]$~GeV for ($m_{h_2}$, $m_{H_1^\pm}$) and $[186\,,\,979]$~GeV for ($m_{h_3}$, $m_{H_2^\pm}$). Finally, we find that the $γγ$ and $Zγ$ Higgs decay modes are generally correlated.
