Low-Energy Backgrounds in Solid-State Phonon and Charge Detectors
Year: 2025
Type: review
Abstract: 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.
Institutions: Northwestern University, Fermi National Accelerator Laboratory, Stony Brook University, Hebrew University of Jerusalem, Cornell University, Technical University of Munich, Karlsruhe Institute of Technology, Heidelberg University, Austrian Academy of Sciences, TU Wien, Institute of High Energy Physics, University of California, Berkeley, Paul Scherrer Institute, ETH Zurich
Language: English
Subfield: Nuclear and High Energy Physics
Field: Physics and Astronomy
Domain: Physical Sciences
Open Access status: hybrid
Awards: G1146855974, G124228508, INTERNAL CALIBRATION OF THE LZ DARK MATTER EXPERIMENT, G1897041155, G2079588038, G2572018148, G3414077242, G3523651922, G3712213300, G3984487147, G4066435496, G4090823411, EXC 2094: ORIGINS: Vom Ursprung des Universums bis zu den ersten Bausteinen des Lebens, G4404904460, Suchen nach Dunkler Materie jenseits des WIMPs und Verbesserung des Trigger und DAQ Systems von SuperCDMS SNOLAB, G498139845, G5547477537, G585908603, G5974920993, G6018135986, G663179388, RESEARCH AT UC BERKELEY ON THE SPICE AND HERALD DARK MATTER EXPERIMENTS, G716412294, G7192090409, G86560745, Verbundprojekt 05A2023 - CRESST-XENON-DARWIN: Direkte Suche nach Dunkler Materie mit CRESST, XENON und DARWIN. Teilprojekt 7., G969889393
OpenAlex ID: W4411599544