Search for Axionlike Dark Matter Using Liquid-State Nuclear Magnetic Resonance
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arXiv
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| Main Authors: | , , , , , , , , , , , , , , , |
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| Format: | Preprint |
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2025
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| _version_ | 1866918282056957952 |
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| author | Walter, Julian Maliaka, Olympia Zhang, Yuzhe Blanchard, John Centers, Gary Dogan, Arian Engler, Martin Figueroa, Nataniel L. Kim, Younggeun Kimball, Derek F. Jackson Lawson, Matthew Smith, Declan W. Sushkov, Alexander O. Budker, Dmitry Bekker, Hendrik Wickenbrock, Arne |
| author_facet | Walter, Julian Maliaka, Olympia Zhang, Yuzhe Blanchard, John Centers, Gary Dogan, Arian Engler, Martin Figueroa, Nataniel L. Kim, Younggeun Kimball, Derek F. Jackson Lawson, Matthew Smith, Declan W. Sushkov, Alexander O. Budker, Dmitry Bekker, Hendrik Wickenbrock, Arne |
| contents | We search for dark matter in the form of axionlike particles (ALPs) in the mass range $5.576741 \,\mathrm{neV/c^2}$ - $5.577733\,\mathrm{neV/c^2}$ by probing their possible coupling to fermion spins through the ALP field gradient. This is achieved by performing proton nuclear magnetic resonance spectroscopy on a sample of methanol as a technical demonstration of the Cosmic Axion Spin Precession Experiment Gradient (CASPEr-Gradient) Low-Field apparatus. Searching for spin-coupled ALP dark matter in this mass range with associated Compton frequencies in a 240 Hz window centered at 1.348570 MHz resulted in a sensitivity to the ALP-proton coupling constant of $g_{\mathrm{ap}} \approx 3 \times 10^{-2}\,\mathrm{GeV}^{-1}$. This narrow-bandwidth search serves as a proof-of-principle and a commissioning measurement, validating our methodology and demonstrating the experiment's capabilities. CASPEr-Gradient Low-Field will probe the mass range from $4.1\,\mathrm{\peV/c^2}$ to $17\,\mathrm{\neV/c^2}$ with hyperpolarized samples to boost the sensitivity beyond the astronomical limits. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2504_16044 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Search for Axionlike Dark Matter Using Liquid-State Nuclear Magnetic Resonance Walter, Julian Maliaka, Olympia Zhang, Yuzhe Blanchard, John Centers, Gary Dogan, Arian Engler, Martin Figueroa, Nataniel L. Kim, Younggeun Kimball, Derek F. Jackson Lawson, Matthew Smith, Declan W. Sushkov, Alexander O. Budker, Dmitry Bekker, Hendrik Wickenbrock, Arne High Energy Physics - Experiment Atomic Physics We search for dark matter in the form of axionlike particles (ALPs) in the mass range $5.576741 \,\mathrm{neV/c^2}$ - $5.577733\,\mathrm{neV/c^2}$ by probing their possible coupling to fermion spins through the ALP field gradient. This is achieved by performing proton nuclear magnetic resonance spectroscopy on a sample of methanol as a technical demonstration of the Cosmic Axion Spin Precession Experiment Gradient (CASPEr-Gradient) Low-Field apparatus. Searching for spin-coupled ALP dark matter in this mass range with associated Compton frequencies in a 240 Hz window centered at 1.348570 MHz resulted in a sensitivity to the ALP-proton coupling constant of $g_{\mathrm{ap}} \approx 3 \times 10^{-2}\,\mathrm{GeV}^{-1}$. This narrow-bandwidth search serves as a proof-of-principle and a commissioning measurement, validating our methodology and demonstrating the experiment's capabilities. CASPEr-Gradient Low-Field will probe the mass range from $4.1\,\mathrm{\peV/c^2}$ to $17\,\mathrm{\neV/c^2}$ with hyperpolarized samples to boost the sensitivity beyond the astronomical limits. |
| title | Search for Axionlike Dark Matter Using Liquid-State Nuclear Magnetic Resonance |
| topic | High Energy Physics - Experiment Atomic Physics |
| url | https://arxiv.org/abs/2504.16044 |