Constraints on Axionlike Dark Matter with Masses Down to 10-23 eV/c2

W. A. Terrano, E. G. Adelberger, C. A. Hagedorn, B. R. Heckel

Research output: Contribution to journalArticlepeer-review

29 Scopus citations


We analyzed a 6.7-yr span of data from a rotating torsion-pendulum containing ≈1023 polarized electrons to search for the "wind" arising from ultralight, axionlike dark matter with masses between 10-23 and 10-18 eV/c2. Over much of this range we set a 95% confidence limit Fa/Ce>2×1015 eV on the axionlike decay constant.

Original languageEnglish (US)
Article number231301
JournalPhysical Review Letters
Issue number23
StatePublished - Jun 12 2019
Externally publishedYes

ASJC Scopus subject areas

  • Physics and Astronomy(all)


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