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Earth-Scattering Induced Modulation in Low-Threshold Dark Matter Experiments
Xavier Bertou, Ansh Desai, Timon Emken +3
Dark matter particles with sufficiently large interactions with ordinary matter can scatter in the Earth before reaching and scattering in a detector. This induces a modulation in…
Low-Energy Radiative Backgrounds in CCD-Based Dark-Matter Detectors
Peizhi Du, Daniel Egaña-Ugrinovic, Rouven Essig +1
The reach of sub-GeV dark-matter detectors is at present severely affected by low-energy events from various origins. We present the theoretical methods to compute the single- and…
Low-Energy Compton Scattering in Materials
Rouven Essig, Yonit Hochberg, Yutaro Shoji +2
Low-energy Compton scattering is an important background for sub-GeV dark matter direct-detection and other experiments. Current Compton scattering calculations typically rely on a…
Fully ab-initio all-electron calculation of dark matter--electron scattering in crystals with evaluation of systematic uncertainties
Cyrus E. Dreyer, Rouven Essig, Marivi Fernandez-Serra +2
We calculate target-material responses for dark matter--electron scattering at the \textit{ab-initio} all-electron level using atom-centered gaussian basis sets. The all-electron e…
Doped Semiconductor Devices for sub-MeV Dark Matter Detection
Peizhi Du, Daniel Egaña-Ugrinovic, Rouven Essig +1
Dopant atoms in semiconductors can be ionized with meV energy depositions, allowing for the design of low-threshold detectors. We propose using doped semiconductor targets…
Report of the Topical Group on Physics Beyond the Standard Model at Energy Frontier for Snowmass 2021
Tulika Bose, Antonio Boveia, Caterina Doglioni +318
This is the Snowmass2021 Energy Frontier (EF) Beyond the Standard Model (BSM) report. It combines the EF topical group reports of EF08 (Model-specific explorations), EF09 (More gen…