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Wideband Search for Axionlike Dark Matter Using Octupolar Nuclei in a Crystal
Mingyu Fan1, Bassam Nima1, Aleksandar Radak1
1University of Toronto, Department of Physics, Toronto, Ontario M5S 1A7, Canada.
Abstract:
Most of the matter in the Universe is in the form of dark matter, which has evaded detection so far. Ultralight axionlike particles (ALPs) are a class of dark matter candidates that produce measurable signatures in the form of oscillating violations of discrete symmetries in nuclei. We report results from a search for an oscillating parity-odd time-reversal-odd nuclear Schiff moment of ^{153}Eu ions in a crystal, which leads to constraints on ALP-gluon coupling strength across a wide band spanning eight decades in ALP mass.
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