Low-Energy Backgrounds in Solid-State Phonon and Charge Detectors
Solid-state phonon and charge detectors probe the scattering of weakly interacting particles, such as dark matter and neutrinos, through their low recoil thresholds. Recent advancements have pushed sensitivity to eV-scale energy depositions, uncovering previously unseen low-energy excess backgrounds. While some arise from known processes such as thermal radiation, luminescence, and stress, others remain unexplained. This review examines these backgrounds, their possible origins, and parallels to low-energy effects in solids, an understanding of which is essential for interpreting particle interactions at and below the eV scale.
Authors
- M. Kaznacheeva (ORCID: https://orcid.org/0000-0002-2712-1326)
- F. Reindl (ORCID: https://orcid.org/0000-0003-0151-2174)
- R. K. Romani (ORCID: https://orcid.org/0000-0002-9556-1876)
- Rouven Essig (ORCID: https://orcid.org/0000-0002-3066-0486)
- F. Wagner (ORCID: https://orcid.org/0000-0001-5687-6392)
- D. Baxter (ORCID: https://orcid.org/0000-0003-0662-3535)
- Yonit Hochberg (ORCID: https://orcid.org/0000-0002-5045-2510)
- Belina von Krosigk
Institutions
- Karlsruhe Institute of Technology (DE)
- Northwestern University (US)
- Fermi National Accelerator Laboratory (US)
- Austrian Academy of Sciences (AT)
- TU Wien (AT)
- Hebrew University of Jerusalem (IL)
- Cornell University (US)
- Heidelberg University (DE)
- Paul Scherrer Institute (CH)
- ETH Zurich (CH)
- Institute of High Energy Physics (AT)
- Stony Brook University (US)
- Technical University of Munich (DE)
- University of California, Berkeley (US)
Publication Details
- Journal
- Annual Review of Nuclear and Particle Science
- Published
- 2025-06-24
- DOI
- https://doi.org/10.1146/annurev-nucl-121423-100849
- Citations
- 5
- Primary Topic
- Dark Matter and Cosmic Phenomena
- Type
- article
- Field-Weighted Citation Impact
- 9.35