Complex scalar dark matter vis-a-vis CoGeNT, DAMA/LIBRA, and XENON100

Journal Article · Sun Aug 01 00:00:00 EDT 2010 · Physical Review. D, Particles Fields

DOI:https://doi.org/10.1103/PHYSREVD.82.035019· OSTI ID:21432907

Barger, Vernon; McCaskey, Mathew ^[1]; Shaughnessy, Gabe ^[2]

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1. Department of Physics, University of Wisconsin, Madison, Wisconsin 53706 (United States)
2. Northwestern University, Department of Physics and Astronomy, Evanston, Illinois 60208 (United States)

The CoGeNT and DAMA/LIBRA experiments have found evidence for the spin-independent scattering from nuclei of a light dark matter (DM) particle, 7-12 GeV, which is not excluded by the XENON DM experiments. We show that this putative DM signal can be explained by a complex scalar singlet extension of the standard model (CSM), with a thermal cosmological DM density, and a Higgs sector that is consistent with LEP constraints. We make predictions for the masses, production, and decays of the two Higgs mass eigenstates and describe how the Higgs and DM particles can be discovered at the LHC.

• OSTI ID: 21432907
• Journal Information: Physical Review. D, Particles Fields, Vol. 82, Issue 3; Other Information: DOI: 10.1103/PhysRevD.82.035019; (c) 2010 American Institute of Physics; ISSN 0556-2821
• Country of Publication: United States
• Language: English

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