Extracting Halo Independent Information from Dark Matter Electron Scattering Data
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
| Published: |
2023
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| _version_ | 1866910399995052032 |
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| author | Bernreuther, Elias Fox, Patrick J. Lillard, Benjamin Taki, Anna-Maria Yu, Tien-Tien |
| author_facet | Bernreuther, Elias Fox, Patrick J. Lillard, Benjamin Taki, Anna-Maria Yu, Tien-Tien |
| contents | Direct detection experiments and the interpretation of their results are sensitive to the velocity structure of the dark matter in our galactic halo. In this work, we extend the formalism that deals with such astrophysics-driven uncertainties, originally introduced in the context of dark-matter-nuclear scattering, to include dark-matter-electron scattering interactions. Using mock data, we demonstrate that the ability to determine the correct dark matter mass and velocity distribution is depleted for recoil spectra which only populate a few low-lying bins, such as models involving a light mediator. We also demonstrate how this formalism allows one to test the compatibility of existing experimental data sets (e.g. SENSEI and EDELWEISS), as well as make predictions for possible future experiments (e.g. GaAs-based detectors). |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2311_04957 |
| institution | arXiv |
| publishDate | 2023 |
| record_format | arxiv |
| spellingShingle | Extracting Halo Independent Information from Dark Matter Electron Scattering Data Bernreuther, Elias Fox, Patrick J. Lillard, Benjamin Taki, Anna-Maria Yu, Tien-Tien High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics Direct detection experiments and the interpretation of their results are sensitive to the velocity structure of the dark matter in our galactic halo. In this work, we extend the formalism that deals with such astrophysics-driven uncertainties, originally introduced in the context of dark-matter-nuclear scattering, to include dark-matter-electron scattering interactions. Using mock data, we demonstrate that the ability to determine the correct dark matter mass and velocity distribution is depleted for recoil spectra which only populate a few low-lying bins, such as models involving a light mediator. We also demonstrate how this formalism allows one to test the compatibility of existing experimental data sets (e.g. SENSEI and EDELWEISS), as well as make predictions for possible future experiments (e.g. GaAs-based detectors). |
| title | Extracting Halo Independent Information from Dark Matter Electron Scattering Data |
| topic | High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics |
| url | https://arxiv.org/abs/2311.04957 |