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dc.contributorChen, Chuan-Renen_US
dc.contributor.authorLiu, Yu-Xiangen_US
dc.description.abstractIn this thesis, we will study dark matter phenomenology in few different aspects. First, we study the complex scalar dark matter phenomenology in Gauged Two Higgs Doublet Model (G2HDM). The model has additional gauge $SU(2)_H\times U(1)_X$ that will leave an accidental $\mathbb{Z}_2$ symmetry after symmetry braking, which protects the stability of dark matter. We choose the scalar dark matter for our study, which can further categorized into doublet-like, triplet-like, and Goldstone-like dark matter by their composition of mixing elements. We test these dark matter by current constraints from PLANCK and XENON$1$T experiments. In the second part we study the dark matter search by means of the popular Higgs pair search in collider with an effective model. We use jet substructure technique for better resolution to find our signal from tremendous backgrounds at the LHC, and project the discovery rate for the High-Luminosity LHC.en_US
dc.subjectComplex Scalar Dark Matteren_US
dc.subjectGauge Two Higgs Doublet Modelen_US
dc.subjectJet Substructureen_US
dc.subjectPair Higgs Productionen_US
dc.titleDirect detection for Dark Matter in G2HDM and Z' search with Dark Matter at the LHCzh_TW
dc.titleDirect detection for Dark Matter in G2HDM and Z' search with Dark Matter at the LHCen_US
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