Analysis of the NMSSM shows that the 125 GeV Higgs is not expected to be exactly SM-like, with deviations in signal strengths that can be correlated or anti-correlated between bosonic and fermionic channels.
On the radiative corrections to the neutral Higgs boson masses in the NMSSM
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abstract
We provide a full one-loop calculation of the self energies and tadpoles of the neutral Higgs bosons of the NMSSM. In addition, we compute the two-loop O(alpha_t*alpha_s+alpha_b*alpha_s) corrections to the neutral Higgs boson masses in the effective potential approximation. With respect to earlier calculations, the newly-computed corrections can account for shifts of a few GeV in the light scalar and pseudoscalar masses, and they can also sizeably affect the mixing between singlet and MSSM-like Higgs scalars. Taking these corrections into account will be crucial for a meaningful comparison between the MSSM and NMSSM predictions for the Higgs sector.
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hep-ph 1years
2019 1verdicts
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Is the observed 125 GeV Higgs boson expected to be SM-like in the NMSSM?
Analysis of the NMSSM shows that the 125 GeV Higgs is not expected to be exactly SM-like, with deviations in signal strengths that can be correlated or anti-correlated between bosonic and fermionic channels.