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, A., Cappella, F., Cerulli, R., Fornengo, N., et al. (2011). Observations of annual modulation in direct detection of relic particles and light neutralinos. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 84(5), 055014 [10.1103/PhysRevD.84.055014].

Observations of annual modulation in direct detection of relic particles and light neutralinos

BERNABEI, RITA;
2011

Abstract

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.
Pubblicato
Rilevanza internazionale
Articolo
Sì, ma tipo non specificato
Settore FIS/04 - Fisica Nucleare e Subnucleare
Settore FIS/01 - Fisica Sperimentale
English
Con Impact Factor ISI
preprint arXiv:1106.4667
Belli, P., Bernabei, R., Bottino, A., Cappella, F., Cerulli, R., Fornengo, N., et al. (2011). Observations of annual modulation in direct detection of relic particles and light neutralinos. PHYSICAL REVIEW D, PARTICLES, FIELDS, GRAVITATION, AND COSMOLOGY, 84(5), 055014 [10.1103/PhysRevD.84.055014].
Belli, P; Bernabei, R; Bottino, A; Cappella, F; Cerulli, R; Fornengo, N; Scopel, S
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Utilizza questo identificativo per citare o creare un link a questo documento: http://hdl.handle.net/2108/17243
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