Superconducting Detectors for Superlight Dark Matter
Yonit Hochberg, Yue Zhao, Kathryn M. Zurek
DOI 10.1103/PhysRevLett.116.011301 · Physical Review Letters
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Abstract
We propose and study a new class of superconducting detectors that are sensitive to O(meV) electron recoils from dark matter–electron scattering. Such devices could detect dark matter as light as the warm dark-matter limit, mX≳1 keV. We compute the rate of dark-matter scattering off of free electrons in a (superconducting) metal, including the relevant Pauli blocking factors. We demonstrate that classes of dark matter consistent with terrestrial and cosmological or astrophysical constraints could be detected by such detectors with a moderate size exposure.
Source-reported materials — not catalogue approval
| Formula | Reported Tc (K) | Pressure (GPa) | Type |
|---|---|---|---|
| Al Archive — visibility unverified Source-occurrence policy only; no material identity or catalogue acceptance is inferred from the formula. | — | Pressure not reported | unknown |
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