Experimental constraints on a dark matter origin for the DAMA annual modulation effect

Details Experimental constraints on a dark matter origin for the DAMA annual modulation effect Experimental constraints on a dark matter origin for the DAMA annual modulation effect

2008-07-05

arxiv.org/abs/0807.0879v4

Phys.Rev.Lett.101:251301,2008; Erratum-ibid.102:109903,2009

Astronomy and Astrophysics

Astrophysics

v4: introduces recent results from arXiv:0807.3279 and arXiv:0807.2926. Sensitivity to pseudoscalars is revised in light of th

Scientific paper

10.1103/PhysRevLett.101.251301

A claim for evidence of dark matter interactions in the DAMA experiment has been recently reinforced. We employ a new type of germanium detector to conclusively rule out a standard isothermal galactic halo of Weakly Interacting Massive Particles (WIMPs) as the explanation for the annual modulation effect leading to the claim. Bounds are similarly imposed on a suggestion that dark pseudoscalars mightlead to the effect. We describe the sensitivity to light dark matter particles achievable with our device, in particular to Next-to-Minimal Supersymmetric Model candidates.

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