hhh Coupling in SUSY models after LHC run I
Abstract
We examine the Higgs triple coupling in MSSM and NMSSM under current constraints, which include the LHC measurements, Higgs data, B physics, electroweak precision observables, relic density and so on. The ratio λ MSSMhhh/λ SMhhh is above 0.97, due to the highly constrained parameter space. While the ratio λ NMSSMhhh/λ SMhhh can reach 0.1 under current constraints. The precise measurement in future collider will give a tighter constraint to the Higgs triple coupling in MSSM and NMSSM.
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