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Motivated by the recent results in the standard model (SM) Higgs boson searchat the Large Hadron Collider (LHC) we investigate the SM-like CP-even Higgsboson of the U(1)'-extended minimal supersymmetric standard model (UMSSM) andits branching ratio into the b b-bar, W W*, and \chi^0_1 \chi^0_1 modes. In theSummer 2011, a 2 sigma excess was reported in the channel H -> W W* -> l+ nu l-nu-bar around 130 - 140 GeV range. Later on in December 2011 announcements weremade that an excess was seen in the 124-126 GeV range, while the SM Higgs bosonabove 131 GeV up to about 600 GeV is ruled out. We examine two scenarios ofthese mass ranges: (i) 130 GeV < M_{h_{SM-like}} < 141 GeV and show that theHiggs boson can decay into invisible neutralinos to evade the SM bound; and(ii) 120 GeV < M_{h_{\rm SM-like}} < 130 GeV and show that the Higgs boson canavoid decaying into neutralinos and thus gives enhanced rates into visibleparticles. We use the \eta model of E_6 with TeV scale supersymmetry toillustrate the idea by scanning the parameter space to realize these twodifferent scenarios.

Mimicking the Standard Model Higgs Boson in UMSSM