Higgs boson mass in NMSSM with right-handed neutrino

Abstract

In order to have massive neutrinos, the right-handed neutrino/sneutrino superfield ($N$) need to be introduced in supersymmetry. In the framework of NMSSM (the MSSM with a singlet $S$) such an extension will dynamically lead to a TeV-scale Majorana mass for the right-handed neutrino through the $SNN$ coupling when $S$ develops a vev (the free Majorana mass term is forbidden by the assumed $Z_3$ symmetry). Also, through the couplings $SNN$ and $S{H}_u{H}_d$, the SM-like Higgs boson (a mixture of $H_u$, $H_d$ and $S$) can naturally couple with the right-handed neutrino/sneutrino. As a result, the TeV-scale right-handed neutrino/sneutrino may significantly contribute to the Higgs boson mass. Through an explicit calculation, we find that the Higgs boson mass can indeed be sizably altered by the right-handed neutrino/sneutrino. Such new contribution can help to push up the SM-like Higgs boson mass and thus make the NMSSM more natural.

18 pages, 8 figures, major changes, reference added, version in JHEP

References in corpus (3)

• Updated Constraints from B Physics on the MSSM and the NMSSM
• Right-handed sneutrino dark matter in the NMSSM
• Rare Z-decay into light CP-odd Higgs bosons: a comparative study in different new physics models

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• Dark matter annihilation into right-handed neutrinos and the galactic center gamma-ray excess
• Sneutrino DM in the NMSSM with inverse seesaw mechanism
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• Lepton number violation in heavy Higgs decays to sneutrinos
• Extending the MSSM with singlet Higgs and right handed neutrino for the self-interacting dark matter
• Radiative corrections to $M_h$ from three generations of Majorana neutrinos and sneutrinos
• Right-handed sneutrino and gravitino multicomponent dark matter in light of neutrino detectors
• Unification of Gauge Couplings and the Higgs Mass in Vector-Like Particle Theories Extended into NMSSM