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次最小B-L超对称模型(NB-LSSM)中的希格斯玻色子衰变h→bs

The Higgs boson decay $h \rightarrow bs$ in the NB-LSSM

Cai Guo, Xing-Xing Dong, Zhan Cao, Song Gao, Shu-Min Zhao, Tai-Fu Feng

arXiv 2607.23862首次发表:更新:

AI 中文总结

在NB-LSSM框架下研究味转变过程$\bar B\rightarrow X_s\gamma$及希格斯衰变过程$h \to bs$,发现$h \to bs$分支比或显著偏离标准模型预期,取决于新参数值,为探索新物理提供理论依据。

AI 中文摘要

在次最小B-L超对称模型(NB-LSSM)框架内,我们研究了味转变过程$\bar B\rightarrow X_s\gamma$。在此基础上,我们进一步讨论了在$\bar B\rightarrow X_s\gamma$过程约束下的希格斯衰变过程$h \to bs$。研究表明,$h \to bs$的分支比可能显著偏离标准模型预期,这取决于模型中引入的新参数值。该发现突出了新物理参数对希格斯味违反衰变的调制作用,为通过味可观测量探索超出标准模型的新物理提供了重要理论依据。

英文摘要

Within the framework of the next to minimum B-L supersymmetric model (NB-LSSM), we investigate the flavor transition process $\bar B\rightarrow X_sγ$. Building upon this foundation, we further discuss the Higgs decay process $h \to bs$ under the constraint from the $\bar B\rightarrow X_sγ$ process. Our study reveals that the branching ratio of $h \to bs$ can significantly deviate from the Standard Model (SM) expectation, depending on the values of the new parameters introduced in the model. This finding highlights the modulation of new physics parameters on the Higgs flavor-violating decay and provides important theoretical grounds for exploring new physics beyond the SM through flavor observables.

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