Kavli Affiliate: Noah Kurinsky
| First 5 Authors: Anirban Das, Noah Kurinsky, Rebecca K. Leane, ,
| Summary:
We present single quasiparticle devices as new dark matter (DM) detectors.
The threshold of these devices is set by the cooper pair binding energy, and is
therefore so low that they can detect DM as light as about an MeV incoming from
the Galactic halo, as well as the low-velocity thermalized DM component
potentially present in the Earth. Using existing power measurements with these
new devices, as well as power measurements with SuperCDMS-CPD, we set new
constraints on the DM scattering cross section for DM masses from about 1 MeV
to 10 GeV, down to about $10^{-34}-10^{-26}$ cm$^2$ for spin-independent
interactions. We outline future directions to improve sensitivity to both halo
DM and a thermalized DM population in the Earth using power deposition in
quantum devices.
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