BLMSSM和B-LSSM中的自然度
The naturalness in the BLMSSM and B-LSSM
摘要:
为了更自然地解释Higgs质量及其衰变,我们希望引入BLMSSM和B-LSSM。在这两个模型中,右手中微子超场的引入更好地解释了中微子质量问题。此外,还有其他超场被认为使这些模型比MSSM更自然。本文将$χ^2$分析方法应用于BLMSSM和B-LSSM中,计算Higgs质量、Higgs衰变和μ子$g-2$。通过在$0.67\%-2.5\%$和$0.67\%-5\%$区域的微调,我们分别在BLMSSM和B-LSSM中得到了与实验结果相符合的合理的理论值。同时,BLMSSM和B-LSSM中的最佳拟合基准点将分别在最小$(χ^{BL}_{min})^2 = 2.34736$和$(χ^{B-L}_{min})^2 = 2.47754$处获得。
英文摘要:
In order to interpret the Higgs mass and its decays more naturally, we hope to intrude the BLMSSM and B-LSSM. In the both models, the right-handed neutrino superfields are introduced to better explain the neutrino mass problems. In addition, there are other superfields considered to make these models more natural than MSSM. In this paper, the method of $χ^2$ analyses will be adopted in the BLMSSM and B-LSSM to calculate the Higgs mass, Higgs decays and muon $g-2$. With the fine-tuning in the region $0.67\%-2.5\%$ and $0.67\%-5\%$, we can obtain the reasonable theoretical values that are in accordance with the experimental results respectively in the BLMSSM and B-LSSM. Meanwhile, the best-fitted benchmark points in the BLMSSM and B-LSSM will be acquired at minimal $(χ^{BL}_{min})^2 = 2.34736$ and $(χ^{B-L}_{min})^2 = 2.47754$, respectively.
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