Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2011-06-23
Phys.Rev. D 84, 055014 (2011)
Physics
High Energy Physics
High Energy Physics - Phenomenology
13 pages, 7 figures
Scientific paper
10.1103/PhysRevD.84.055014
The long-standing model-independent annual modulation effect measured by the DAMA Collaboration, which fulfills all the requirements of a dark matter annual modulation signature, and the new result by the CoGeNT experiment that shows a similar behavior are comparatively examined under the hypothesis of a dark matter candidate particle interacting with the detectors' nuclei by a coherent elastic process. The ensuing physical regions in the plane of the dark matter-particle mass versus the dark matter-particle nucleon cross-section are derived for various galactic halo models and by taking into account the impact of various experimental uncertainties. It is shown that the DAMA and the CoGeNT regions agree well between each other and are well fitted by a supersymmetric model with light neutralinos which satisfies all available experimental constraints, including the most recent results from CMS and ATLAS at the CERN Large Hadron Collider.
Belli P.
Bernabei R.
Bottino Alberto
Cappella F.
Cerulli Ricardo
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