Abstract
We analyzed a 6.7-yr span of data from a rotating torsion-pendulum containing polarized electrons to search for the “wind” arising from ultralight, axionlike dark matter with masses between and . Over much of this range we set a 95% confidence limit on the axionlike decay constant.
- Received 19 December 2018
- Revised 23 April 2019
DOI:https://doi.org/10.1103/PhysRevLett.122.231301
© 2019 American Physical Society