Effective Dark Matter Model: Relic density, CDMS II, Fermi LAT and LHC

Details Effective Dark Matter Model: Relic density, CDMS II, Fermi LAT and LHC Effective Dark Matter Model: Relic density, CDMS II, Fermi LAT and LHC

2009-12-22

arxiv.org/abs/0912.4511v2

JHEP 1108:018,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

Scientific paper

10.1007/JHEP08(2011)018

The Cryogenic Dark Matter Search recently announced the observation of two signal events with a 77% confidence level. Although statistically inconclusive, it is nevertheless suggestive. In this work we present a model-independent analysis on the implication of a positive signal in dark matter scattering off nuclei. Assuming the interaction between (scalar, fermion or vector) dark matter and the standard model induced by unknown new physics at the scale $\Lambda$, we examine various dimension-6 tree-level induced operators and constrain them using the current experimental data, e.g. the WMAP data of the relic abundance, CDMS II direct detection of the spin-independent scattering, and indirect detection data (Fermi LAT cosmic gamma-ray), etc. Finally, the LHC reach is also explored.

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