Detecting the Coupling of Axion Dark Matter to Neutron Spins at Spallation Sources via Rabi Oscillation
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| Main Authors: | , , , |
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| Format: | Preprint |
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2024
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| _version_ | 1866916557868761088 |
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| author | Fierlinger, Peter Sheng, Jie Stadnik, Yevgeny V. Xing, Chuan-Yang |
| author_facet | Fierlinger, Peter Sheng, Jie Stadnik, Yevgeny V. Xing, Chuan-Yang |
| contents | We propose a novel detection method for axion dark matter using the Rabi oscillation of neutron spins in beam-based measurements. If axions couple to neutron spins, a background oscillating axion dark matter field would drive transitions between spin-up and spin-down neutron states in a magnetic field when the axion particle energy matches the energy gap between the spin states. The transition can be detected in a double-Stern-Gerlach-type apparatus, with the first splitter producing a pure spin-polarized neutron beam and the second splitter selecting spin-flipped signals. Our approach offers enhanced detection capability for axions within the $10^{-12} - 10^{-10} \,$eV mass window with the capability to surpass the sensitivity of current laboratory experiments. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2412_10832 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Detecting the Coupling of Axion Dark Matter to Neutron Spins at Spallation Sources via Rabi Oscillation Fierlinger, Peter Sheng, Jie Stadnik, Yevgeny V. Xing, Chuan-Yang High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics Nuclear Experiment Instrumentation and Detectors We propose a novel detection method for axion dark matter using the Rabi oscillation of neutron spins in beam-based measurements. If axions couple to neutron spins, a background oscillating axion dark matter field would drive transitions between spin-up and spin-down neutron states in a magnetic field when the axion particle energy matches the energy gap between the spin states. The transition can be detected in a double-Stern-Gerlach-type apparatus, with the first splitter producing a pure spin-polarized neutron beam and the second splitter selecting spin-flipped signals. Our approach offers enhanced detection capability for axions within the $10^{-12} - 10^{-10} \,$eV mass window with the capability to surpass the sensitivity of current laboratory experiments. |
| title | Detecting the Coupling of Axion Dark Matter to Neutron Spins at Spallation Sources via Rabi Oscillation |
| topic | High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics Nuclear Experiment Instrumentation and Detectors |
| url | https://arxiv.org/abs/2412.10832 |