A joint explanation of W-mass and muon g-2 in 2HDM
A joint explanation of W-mass and muon g-2 in 2HDM
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DOI：
10.1088/1674-1137/ac7c63
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发表时间：
2022-04
影响因子：
3.6
通讯作者：
Xiao-Fang Han;Fei Wang;Lei Wang;Jin Min Yang;Zhang Yang
中科院分区：
文献类型：
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作者：
Xiao-Fang Han;Fei Wang;Lei Wang;Jin Min Yang;Zhang Yang
由于$W$-质量和μ子$g-2$都可能受到2 HDM中额外希格斯玻色子$（H，~A，~H^\pm）$之间质量分裂的影响，因此我们采用具有$\mu$-$\tau$ LFV相互作用的模型来检验CDF II和FNAL分别报告的两个异常。我们得到了以下结果：（i）结合理论约束，CDF $W$-质量测量不赞成$H$或$A$与$H^\pm$质量简并，但允许$H$和$A$质量简并。$H^\pm$和$H/A$之间的质量分裂需要大于10 GeV。当$m_H<120$ GeV时，$m_{H^\pm}$和$m_{A}$最好小于650 GeV，并且随着$m_H$的增加，允许有更大的值。(ii)在施加其他相关的实验约束后，存在同时满足CDF $W$-质量，FNAL μ子$g-2$和$\tau$衰变中轻子普适性数据的参数空间，但额外的Higgs玻色子之间的质量分裂受到严格约束。本作品的内容可以在知识共享署名3.0许可协议的条款下使用。本作品的任何进一步分发都必须保留作者和作品标题、期刊引用和DOI的归属。文章由SCOAP 3资助，由中国物理学会、中国科学院高能物理研究所、中国科学院近代物理研究所和IOP出版有限公司授权出版。
Since both $W$-mass and muon $g-2$ can be affected by the mass splittings among extra Higgs bosons $(H,~A,~H^\pm)$ in a 2HDM, we take a model with $\mu$-$\tau$ LFV interactions to examine the two anomalies reported respectively by CDF II and FNAL. We obtain the following observations: (i) Combined with theoretical constraints, the CDF $W$-mass measurement disfavors $H$ or $A$ to degenerate in mass with $H^\pm$, but allows $H$ and $A$ to degenerate. The mass splitting between $H^\pm$ and $H/A$ is required to be larger than 10 GeV. The $m_{H^\pm}$ and $m_{A}$ are favored to be smaller than 650 GeV for $m_H<120$ GeV, and allowed to have more large values with increasing of $m_H$. (ii) After imposing other relevant experimental constraints, there are parameter spaces that simultaneously satisfy (at $2\sigma$ level) the CDF $W$-mass, the FNAL muon $g-2$ and the data of lepton universality in $\tau$ decays, but the mass splittings among extra Higgs bosons are strictly constrained. Content from this work may be used under the terms of the Creative Commons Attribution 3.0 licence. Any further distribution of this work must maintain attribution to the author(s) and the title of the work, journal citation and DOI. Article funded by SCOAP3 and published under licence by Chinese Physical Society and the Institute of High Energy Physics of the Chinese Academy of Science and the Institute of Modern Physics of the Chinese Academy of Sciences and IOP Publishing Ltd.