Searching for Axions and Other Exotics with Dark Matter Detectors

Details Searching for Axions and Other Exotics with Dark Matter Detectors Searching for Axions and Other Exotics with Dark Matter Detectors

Jan 2010

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010cbgd.conf..427p&link_type=abstract

CROSSING THE BOUNDARIES: GAUGE DYNAMICS AT STRONG COUPLING. Proceedings of the Workshop in Honor of the 60th Birthday of Misha S

Physics

Scientific paper

I consider models of light super-weakly interacting cold dark matter, with {O}(10) {keV} mass, focusing on bosonic candidates such as pseudoscalars and vectors. I analyze the cosmological abundance, the γ-background created by particle decays, the impact on stellar processes due to cooling, and the direct detection capabilities in order to identify classes of models that pass all the constraints. In certain models, variants of photoelectric (or axioelectric) absorption of dark matter in direct-detection experiments can provide a sensitivity to the superweak couplings to the Standard Model which is superior to all existing indirect constraints. In all models studied, the annual modulation of the direct-detection signal is at the currently unobservable level of O(10-5).

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