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Higgs boson decay hrightarrow Zγ and muon magnetic dipole moment in the μνSSM
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Higgs boson decay hrightarrow Zγ and muon magnetic dipole moment in the μνSSM
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To solve the $\mu$ problem and generate three tiny neutrino masses in the MSSM, the $\mu$ from $\nu$ Supersymmetric Standard Model ($\mu\nu$SSM) introduces three singlet right-handed neutrino superfields, which lead to the mixing of the Higgs doublets with the sneutrinos. The mixing affects the lightest Higgs boson mass and the Higgs couplings. The present observed 95\% CL upper limit on signal strength of the 125 GeV Higgs boson decay $h\rightarrow Z\gamma$ is 6.6, which still is plenty of space to prove the existence of new physics. In this work, we investigate the signal strength of the 125 GeV Higgs boson decay channel $h\rightarrow Z\gamma$ in the $\mu\nu$SSM. Besides, we consider the two-loop electroweak corrections of muon anomalous magnetic dipole moment (MDM) in the model, which also make important contributions compared with one-loop electroweak corrections.
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Cited by 1 Pith paper
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The Higgs boson decay $h \rightarrow bs$ in the NB-LSSM
Under B̄ o Xsγ constraints, NB-LSSM parameters can raise Br(h o bs) to ~10^{-5}, orders of magnitude above the SM, while remaining consistent with Higgs mass and signal strengths.
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