Journal
PHYSICS LETTERS B
Volume 702, Issue 4, Pages 205-208Publisher
ELSEVIER
DOI: 10.1016/j.physletb.2011.06.088
Keywords
Electric dipole; Dark matter; CP violation; Direct searches
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The direct limit of electric dipole moment and direct searches for dark matter by electric dipole interaction are investigated with including the electromagnetic nuclear form factor, in case that the dark matter candidate is a Dirac particle. The electric dipole moment of dark matter constrained by direct searches must be lower than 7 x 10(-22)e cm for dark matter mass of 100 GeV to satisfy the current experimental exclusion limits at XENON10 and CDMS II. The CP violation of electric dipole moment and the dark matter discovery by electric dipole interaction in the future are considered. (C) 2011 Elsevier B.V. All rights reserved.
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