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Published on: August 6, 2018
Muonium Spectroscopy as a Quantum Sensor for Axion Dark Matter
Feng Fang1,2, Kim Siang Khaw3, Ce Zhang4
1Advanced Energy Science and Technology Guangdong Laboratory, Huizhou 516000, China.
Abstract:
High-intensity muon beams could enable a muonium-based axion search through resonant quantum transitions between hyperfine states. Combining theoretical calculations with simulation results, we demonstrate that such a muonium-based experimental approach could complement and tighten constraints on the axion-muon coupling beyond existing limits from the muon g-2 measurement over the axion mass range of 18-130 μeV. These results establish a new spectroscopic channel in muonium that enables searches for axion and axionlike particle dark matter.
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