Singlet Dark Matter in Type II Two Higgs Doublet Model

Understand

Inspired by the dark matter searches in the low mass region, we study the Type II two Higgs doublet model with a light gauge singlet WIMP stabilized by a Z_2 symmetry.

• The real singlet is required to only couple to the non-Standard Model Higgs.
• We investigate singlet candidates with different spins as well as isospin violating effect.
• The parameter space favored by LHC data in two Higgs doublet model and hadronic uncertainties in WIMP-nucleon elastic scattering are also taken into account.