A little more Gauge Mediation and the light Higgs mass

Abstract

We consider minimal models of gauge mediated supersymmetry breaking with an extra $U(1)$ factor in addition to the Standard Model gauge group. A $U(1)$ charged, Standard Model singlet is assumed to be present which allows for an additional NMSSM like coupling, $\lambda H_u{H}_{d}S$. The U(1) is assumed to be flavour universal. Anomaly cancellation in the MSSM sector requires additional coloured degrees of freedom. The $S$ field can get a large vacuum expectation value along with consistent electroweak symmetry breaking. It is shown that the lightest CP even Higgs boson can attain mass of the order of 125 GeV.

29 pages, 7 Figures; v2: updated references 30 pages, minor wordings modified, to appear in Nucl. Phys. B

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• Anatomy of Higgs mass in Supersymmetric Inverse Seesaw Models
• Higgs mass from neutrino-messenger mixing