Observing the Dark Scalar Doublet and its Impact on the Standard-Model Higgs Boson at Colliders

Details Observing the Dark Scalar Doublet and its Impact on the Standard-Model Higgs Boson at Colliders Observing the Dark Scalar Doublet and its Impact on the Standard-Model Higgs Boson at Colliders

2007-08-21

arxiv.org/abs/0708.2939v3

Phys.Rev.D76:095011,2007

Physics

High Energy Physics

High Energy Physics - Phenomenology

PRD version

Scientific paper

10.1103/PhysRevD.76.095011

If the Standard Model of particle interactions is extended to include a second scalar doublet $[H^{+},(H^{0}+iA^{0})/\sqrt{2}]$, which is odd under an unbroken Z_{2} discrete symmetry, it may be called the $dark$ scalar doublet, because its lightest neutral member, say H^{0}, is one posssible component for the dark matter of the Universe. We discuss the general phenomenology of the four particles of this doublet, without assuming that H^{0} is the dominant source of dark matter. We also consider the impact of this $dark$ scalar doublet on the phenomenology of the SM Higgs boson h.

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