Constraints on Axionlike Dark Matter with Masses Down to 10^{-23}  eV/c^{2}.

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Summary of "Constraints on Axionlike Dark Matter with Masses Down to 10^{-23}  eV/c^{2}."

We analyzed a 6.7-yr span of data from a rotating torsion-pendulum containing ≈10^{23} polarized electrons to search for the "wind" arising from ultralight, axionlike dark matter with masses between 10^{-23} and 10^{-18}  eV/c^{2}. Over much of this range we set a 95% confidence limit F_{a}/C_{e}>2×10^{15}  eV on the axionlike decay constant.


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This article was published in the following journal.

Name: Physical review letters
ISSN: 1079-7114
Pages: 231301


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