Performance of a Phonon-Mediated Detector Using KIDs Optimized for Sub-GeV Dark Matter

@article{Wen2022PerformanceOA,
  title={Performance of a Phonon-Mediated Detector Using KIDs Optimized for Sub-GeV Dark Matter},
  author={O. Wen and Taylor Aralis and R. Basu Thakur and Bruce Bumble and Y.-Y. Chang and K. Ramanathan and S. R. Golwala},
  journal={Journal of Low Temperature Physics},
  year={2022}
}
Detection of sub-GeV dark matter candidates requires sub-keV detector thresholds on deposited energy. We provide an update on a gram-scale phonon-mediated KID-based device that was designed for a dark matter search in this mass range at the Northwest-ern Experimental Underground Site. Currently, the device is demonstrating 6 eV resolution on the energy absorbed by the resonator. With some important assumptions, this translates to 20 eV baseline resolution on energy deposited in the substrate… 

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