期刊
PHYSICAL REVIEW LETTERS
卷 101, 期 25, 页码 -出版社
AMER PHYSICAL SOC
DOI: 10.1103/PhysRevLett.101.251301
关键词
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资金
- NSF [PHY-0653605, PHY-0239812]
- NNSA [DE-FG52-05NA25686]
- Kavli Institute for Cosmological Physics through NSF [PHY-0114422]
- Argonne and Pacific Northwest National Laboratory LDRD funds
- Juan de la Cierva program of the Spanish MEC
- Comunidad de Madrid
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 as the explanation for the annual modulation effect leading to the claim. Bounds are similarly imposed on a suggestion that dark pseudoscalars might lead 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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