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| Paper IPM / P / 16850 |
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We perform an exclusive study on the Feebly Interacting Massive Particle (FIMP) dark matter candidate in an extended hyperchargeless (Y=0) Higgs triplet model.
The additional Z2 odd neutral fermion singlet plays the role of dark matter with support from two other vector-like fermion doublets. The mixing between the neutral component of a doublet and singlet fermions controls the current relic density through the Freeze-in mechanism, whereas the additional doublet fermion helps to get the neutrino mass and mixing angles.
We obtain a broad region of the parameter spaces satisfying the current relic density and neutrino mass and mixing angles.
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