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arXiv · 2405.16037

The Higgs boson decay $h \rightarrow bs$ in the $U(1)_X$SSM

Song Gao·Shu-Min Zhao·Ming-Yue Liu·Xing-Yu Han·Xi Wang·Tai-Fu Feng
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Abstract

In the $U(1)_X$SSM, we delve into the flavor violation of $h \rightarrow bs$, where $h$ is identified with the SM-like Higgs boson discovered at the LHC. As the U(1) extension of the minimal supersymmetric standard model (MSSM), the U(1)XSSM has new super fields such as right-handed neutrinos and three Higgs singlets. We conduct a thorough analysis of the underlying mechanisms and parameter dependencies of $h \rightarrow bs$ in the $U(1)_X$SSM. In the $U(1)_X$SSM, we discover that the Br$(h \rightarrow bs)$ for the Higgs decay to $bs$ could significantly differ from the expectation in the standard model (SM), depending on the values of the new parameters introduced in the model. Our research not only contributes to a deeper understanding of Higgs physics within the $U(1)_X$SSM, but also provides valuable guidance for new physics (NP).

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Song Gao, Shu-Min Zhao, Ming-Yue Liu, Xing-Yu Han, Xi Wang, Tai-Fu Feng. 2024-05-25. The Higgs boson decay $h \rightarrow bs$ in the $U(1)_X$SSM. https://doi.org/10.1007/jhep10(2024)116

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