Electric dipole moment of Dirac fermionic dark matter |
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Authors: | Jae Ho Heo |
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Institution: | Department of Physics, University of Illinois at Chicago, IL 60607, USA |
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Abstract: | 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 7×10−22e 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. |
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Keywords: | Electric dipole Dark matter CP violation Direct searches |
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