Constraints on Scalar Phantoms

Details Constraints on Scalar Phantoms Constraints on Scalar Phantoms

2010-01-04

arxiv.org/abs/1001.0486v1

Phys.Rev.D81:054506,2010

Physics

High Energy Physics

High Energy Physics - Phenomenology

7 pages, 1 figure

Scientific paper

10.1103/PhysRevD.81.054506

We update the constraints on the minimal model of dark matter, where a stable real scalar field is added to the standard model Lagrangian with a renormalizable coupling to the Higgs field. Once we fix the dark matter abundance, there are only two relevant model parameters, the mass of the scalar field and that of the Higgs boson. The recent data from the CDMS II experiment have excluded a parameter region where the scalar field is light such as less than about 50 GeV. In a large parameter region, the consistency of the model can be tested by the combination of future direct detection experiments and the LHC experiments.

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