Comment on arXiv:1901.10843 "Search for Axionlike Dark Matter with a Liquid-State Nuclear Spin Comagnetometer"
hep-ex
/ Authors
/ Abstract
We comment on arXiv:1901.10843, pointing out that its constraint on ultra-low-mass axions is incompatible with the duration of the data set described. We describe a simple way to analyze such data that gives the correct scaling.