Light scalar dark matter extension of the type-II two-Higgs-doublet model

Light scalar dark matter extension of the type-II two-Higgs-doublet model
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II 型双希格斯双峰模型的光标量暗物质延伸

DOI:
10.1103/physrevd.98.035024
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发表时间:
2018-01
期刊:
影响因子:
5
通讯作者:
Bin Zhu
Bin Zhu
中科院分区:
物理与天体物理2区
文献类型:
--
作者:
Lei Wang;Rongle Shi;Xiao-Fang Han;Bin Zhu

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在对大型强子对撞机和暗物质实验施加希格斯搜索的约束后,我们用光标量暗物质($S$)检查了 II 型双希格斯双峰模型。我们首先假设两个 CP 偶希格斯粒子($h$ 和 $H$)都是 DM 和 SM 扇区之间的门户,并且 CP 奇数希格斯粒子($A$)和 $H$ 的质量都超过 130 GeV。我们发现质量为 $10\sim 50$ GeV 的 DM 受到 125 GeV Higgs 信号数据、遗迹密度、XENON1T (2017)、PandaX-II (2017) 和 Fermi-LAT 的联合约束。接下来,我们考虑一种特殊的场景,其中重CP偶希格斯粒子被视为125 GeV希格斯粒子。轻CP偶希格斯粒子是DM和SM扇区之间的唯一门户,DM质量略低于希格斯共振。我们发现125 GeV希格斯粒子的信号数据将$\tan\beta$限制在$1\sim 1.5$(对于$m_h)的范围内,对于30 GeV $ 1.125被排除在外
We examine the type-II two-Higgs-doublet model with a light scalar dark matter ($S$) after imposing the constraints from the Higgs searches at the LHC and dark matter experiments. We first assume that both two CP-even Higgses ($h$ and $H$) are portals between the DM and SM sectors, and the CP-odd Higgs ($A$) and $H$ are heavier than 130 GeV. We find that the DM with a mass of $10\sim 50$ GeV is disfavored by the joint constraints of the 125 GeV Higgs signal data, the relic density, XENON1T (2017), PandaX-II (2017) and the Fermi-LAT. Next, we consider a special scenario in which the heavy CP-even Higgs is taken as the 125 GeV Higgs. The light CP-even Higgs is the only portal between the DM and SM sectors, and the DM mass is slightly below Higgs resonance. We find that the signal data of the 125 GeV Higgs restrict $\tan\beta$ to be in the range of $1\sim 1.5$ for $m_h $ 1.125 is excluded for 30 GeV $
具有标量暗物质和银河系中心伽马射线过剩的简化 2HDM
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发表时间: 2014-06
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期刊: --
影响因子: --
作者:
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