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arXiv 1704.03388hep-ph
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有效势方法对$μν$ SSM中希格斯玻色子质量的修正

Higgs boson mass corrections in the $μν$SSM with effective potential methods

Hai-Bin Zhang, Tai-Fu Feng, Xiu-Yi Yang, Shu-Min Zhao, Guo-Zhu Ning

摘要:

为了解决MSSM中的$μ$问题,$ν$超对称标准模型($μν$ SSM)中的$μ$引入了三个单重右手中微子超场$\hatν_i^c$,导致Higgs二重态的中性分量与超中微子混合,产生了较大的CP偶中性标量质量矩阵.在这项工作中,我们分析对角化CP偶中性标量质量矩阵,并详细分析如何混合影响最轻的希格斯玻色子质量。我们还给出了最轻希格斯玻色子质量的近似表达式。同时,我们考虑了用有效势方法对希格斯玻色子质量的辐射修正。

英文摘要:

To solve the $μ$ problem of the MSSM, the $μ$ from $ν$ Supersymmetric Standard Model ($μν$SSM) introduces three singlet right-handed neutrino superfields $\hatν_i^c$, which lead to the mixing of the neutral components of the Higgs doublets with the sneutrinos, producing a relatively large CP-even neutral scalar mass matrix. In this work, we analytically diagonalize the CP-even neutral scalar mass matrix and analyze in detail how the mixing impacts the lightest Higgs boson mass. We also give an approximate expression for the lightest Higgs boson mass. Simultaneously, we consider the radiative corrections to the Higgs boson masses with effective potential methods.

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