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.
Radiative natural SUSY with a 125 GeV Higgs boson
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abstract
It has been argued that requiring low electroweak fine-tuning (EWFT) along with a (partial) decoupling solution to the SUSY flavor and CP problems leads to a sparticle mass spectra characterized by light Higgsinos at 100-300 GeV, sub-TeV third generation scalars, gluinos at a few TeV and multi-TeV first/second generation scalars (natural SUSY). We show that by starting with multi-TeV first/second and third generation scalars and trilinear soft breaking terms, the natural SUSY spectrum can be generated radiatively via renormalization group running effects. Using the complete 1-loop effective potential to calculate EWFT, significantly heavier third generation squarks can be allowed even with low EWFT. The large negative trilinear term and heavier top squarks allow for a light Higgs scalar in the ~125 GeV regime.
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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.