Open AccessUnification and Dark Matter in a Minimal Scalar Extension of the Standard Model
Author(s) -
Mariangela Lisanti,
Jay G. Wacker
Publication year - 2007
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/902727
Subject(s) - physics , dark matter , higgs boson , particle physics , discrete symmetry , standard model (mathematical formulation) , unification , scalar (mathematics) , gauge symmetry , extension (predicate logic) , gauge group , scalar field dark matter , dark energy , gauge (firearms) , cosmology , astrophysics , gauge theory , homogeneous space , mathematics , geometry , computer science , archaeology , history , programming language
The six Higgs doublet model is a minimal extension of the Standard Model (SM) that addresses dark matter and gauge coupling unification. Another Higgs doublet in the 5 representation of a discrete symmetry group, such as S{sub 6}, is added to the SM. The lightest components of the 5-Higgs are neutral, stable and serve as dark matter so long as the discrete symmetry is not broken. Direct and indirect detection signals, as well as collider signatures are discussed. The five-fold multiplicity of the dark matter decreases its mass and typically helps make the dark matter more visible in upcoming experiments
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