Determining Spin-Dependent Light Dark Matter Rates from Neutron Scattering
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arXiv
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| Auteurs principaux: | , , , |
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866916911287107584 |
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| author | Berlin, Asher Millar, Alexander J. Trickle, Tanner Zhou, Kevin |
| author_facet | Berlin, Asher Millar, Alexander J. Trickle, Tanner Zhou, Kevin |
| contents | The scattering and absorption rates of light dark matter with electron spin-dependent interactions depend on the target's spin response. We show how this response is encoded by the target's dynamical magnetic susceptibility, which can be measured using neutron scattering. We directly use existing neutron scattering data to compute the dark matter scattering rate in a candidate target material, finding close agreement with the previous first-principles calculation at MeV dark matter masses. Complementary experiments and measurements can extend the reach of this technique to other dark matter models and masses, and identify promising target materials for future experiments. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2504_02927 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Determining Spin-Dependent Light Dark Matter Rates from Neutron Scattering Berlin, Asher Millar, Alexander J. Trickle, Tanner Zhou, Kevin High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics Materials Science Strongly Correlated Electrons High Energy Physics - Experiment The scattering and absorption rates of light dark matter with electron spin-dependent interactions depend on the target's spin response. We show how this response is encoded by the target's dynamical magnetic susceptibility, which can be measured using neutron scattering. We directly use existing neutron scattering data to compute the dark matter scattering rate in a candidate target material, finding close agreement with the previous first-principles calculation at MeV dark matter masses. Complementary experiments and measurements can extend the reach of this technique to other dark matter models and masses, and identify promising target materials for future experiments. |
| title | Determining Spin-Dependent Light Dark Matter Rates from Neutron Scattering |
| topic | High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics Materials Science Strongly Correlated Electrons High Energy Physics - Experiment |
| url | https://arxiv.org/abs/2504.02927 |