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

被引：93
|
作者：
Barger, Vernon [1 ]
McCaskey, Mathew [1 ]
Shaughnessy, Gabe [2 ,3 ]
机构：
[1] Univ Wisconsin, Dept Phys, Madison, WI 53706 USA
[2] Northwestern Univ, Dept Phys & Astron, Evanston, IL 60208 USA
[3] Argonne Natl Lab, HEP Div, Argonne, IL 60439 USA
来源：
PHYSICAL REVIEW D | 2010年 / 82卷 / 03期
基金：
美国国家科学基金会;
关键词：
MODEL; SEARCHES; DETECTOR;
D O I：
10.1103/PhysRevD.82.035019
中图分类号：
P1 [天文学];
学科分类号：
0704 ;
摘要：
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.
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页数：15
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