Direct Search for Low Mass Dark Matter Particles with CCDs

A. Sonnenschein; B. Flaugher; B. Kilminster; H. Cease; H. T. Diehl; J. Barreto; J. Estrada; J. Jones; J. Molina; J. Smith

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Direct Search for Low Mass Dark Matter Particles with CCDs

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arxiv 1105.5191 v4 pith:LHUJQ2IU submitted 2011-05-26 astro-ph.IM hep-ex

Direct Search for Low Mass Dark Matter Particles with CCDs

J. Barreto , H. Cease , H. T. Diehl , J. Estrada , B. Flaugher , N. Harrison , J. Jones , B. Kilminster

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J. Molina J. Smith T. Schwarz A. Sonnenschein

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A direct dark matter search is performed using fully-depleted high-resistivity CCD detectors . Due to their low electronic readout noise (RMS ~ 7 eV) these devices operate with a very low detection threshold of 40 eV, making the search for dark matter particles with low masses (~ 5 GeV) possible. The results of an engineering run performed in a shallow underground site are presented, demonstrating the potential of this technology in the low mass region.

Direct Search for Low Mass Dark Matter Particles with CCDs

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