Public Material
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This page lists all publications which have high-resolution, multi-format results prepared for public download and use. Results are presented with captions and succint background information.
2019
Agnese, R. et al.,Dark Absorption in SuperCDMS Soudan submitted to Physical Review D - 1911.11905
Public Material: Dark Absorption in SuperCDMS Soudan
This Public Documentation accompanies the results on "Dark Absorption in SuperCDMS Soudan". Using data from CDMSlite (Runs 2 and 3) and select iZIP detectors from the SuperCDMS experiment at the Soudan Underground Laboratory, upper limits on the axioelectric coupling of axion-like particles (ALPs) and the kinetic mixing parameter of dark photons (DPs) are set. The analysis is based on Poisson statistics and assumes the respective particles constitute all of the galactic dark matter.
2018
Agnese, R. et al., First Dark Matter Constrains from a SuperCDMS Single-Charge Sensitive Detector. Phys. Rev. Lett. 121, 051301 , erratum : Phys. Rev. Lett. 122, 069901 .
Public Material: HVeV Run1: Updated DM-Electron Scattering Cross Section Limits
We present the first limits on inelastic electron-scattering dark matter and dark photon absorption using a prototype SuperCDMS detector having a charge resolution of 0.1 electron-hole pairs (CDMS HVeV, a 0.93 gram CDMS HV device). These electron-recoil limits significantly improve experimental constraints on dark matter particles with masses as low as 1 MeV/c2. We demonstrate a sensitivity to dark photons competitive with other leading approaches but using substantially less exposure (0.49 gram days). These results demonstrate the scientific potential of phonon-mediated semiconductor detectors that are sensitive to single electronic excitations.
