Calibration and Performance of Germanium High Voltage Detectors for SuperCDMS SNOLAB

@misc{albakry2026calibration,
  title = {{Calibration and Performance of Germanium High Voltage Detectors for SuperCDMS SNOLAB}},
  author = {M. F. Albakry and I. Alkhatib and D. Alonso-González and J. Anczarski and T. Aralis and T. Aramaki and A. Ashtari Esfahani and I. Ataee Langroudy and R. Bhattacharyya and A. J. Biffl and P. L. Brink and M. Buchanan and R. Bunker and B. Cabrera and R. Calkins and R. A. Cameron and P. Camus and C. Cartaro and D. G. Cerdeño and Y. -Y. Chang and M. Chaudhuri and J. -H. Chen and R. Chen and J. Cooley and J. Corbett and P. Cushman and R. Cyna and S. Das and K. Dering and S. Dharani and M. L. di Vacri and M. D. Diamond and M. Elwan and S. Fallows and E. Figueroa-Feliciano and S. L. Franzen and G. Gerbier and R. Germond and A. Gevorgian and M. Ghaith and G. Godden and S. R. Golwala and G. Gonzalez and J. Hall and C. A. S. Harms and C. Hays and B. A. Hines and Z. Hong and L. Hsu and M. E. Huber and V. Iyer and M. Jha and V. K. S. Kashyap and M. H. Kelsey and K. T. Kennard and Z. Kromer and A. Kubik and N. A. Kurinsky and J. Leyva and J. Liu},
  howpublished = {arXiv},
  year = {2026},
  month = sep,
  doi = {10.48550/arxiv.2606.26391},
  eprint = {2606.26391},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.26391},
}

TY  - UNPB
TI  - Calibration and Performance of Germanium High Voltage Detectors for SuperCDMS SNOLAB
AU  - M. F. Albakry
AU  - I. Alkhatib
AU  - D. Alonso-González
AU  - J. Anczarski
AU  - T. Aralis
AU  - T. Aramaki
AU  - A. Ashtari Esfahani
AU  - I. Ataee Langroudy
AU  - R. Bhattacharyya
AU  - A. J. Biffl
AU  - P. L. Brink
AU  - M. Buchanan
AU  - R. Bunker
AU  - B. Cabrera
AU  - R. Calkins
AU  - R. A. Cameron
AU  - P. Camus
AU  - C. Cartaro
AU  - D. G. Cerdeño
AU  - Y. -Y. Chang
AU  - M. Chaudhuri
AU  - J. -H. Chen
AU  - R. Chen
AU  - J. Cooley
AU  - J. Corbett
AU  - P. Cushman
AU  - R. Cyna
AU  - S. Das
AU  - K. Dering
AU  - S. Dharani
AU  - M. L. di Vacri
AU  - M. D. Diamond
AU  - M. Elwan
AU  - S. Fallows
AU  - E. Figueroa-Feliciano
AU  - S. L. Franzen
AU  - G. Gerbier
AU  - R. Germond
AU  - A. Gevorgian
AU  - M. Ghaith
AU  - G. Godden
AU  - S. R. Golwala
AU  - G. Gonzalez
AU  - J. Hall
AU  - C. A. S. Harms
AU  - C. Hays
AU  - B. A. Hines
AU  - Z. Hong
AU  - L. Hsu
AU  - M. E. Huber
AU  - V. Iyer
AU  - M. Jha
AU  - V. K. S. Kashyap
AU  - M. H. Kelsey
AU  - K. T. Kennard
AU  - Z. Kromer
AU  - A. Kubik
AU  - N. A. Kurinsky
AU  - J. Leyva
AU  - J. Liu
PY  - 2026
DA  - 2026/09/14
PB  - arXiv
DO  - 10.48550/arxiv.2606.26391
UR  - https://arxiv.org/abs/2606.26391
AB  - As SuperCDMS SNOLAB is getting ready to search for low mass dark matter particles, using cryogenic Ge and Si detectors, a set of six of the new SuperCDMS High Voltage (HV) detectors (four Ge and two Si) were tested in the Cryogenic Underground TEst facility (CUTE) at SNOLAB. This provided the first opportunity to gain experience with this new detector type and assess their performance thoroughly under low background conditions. Here we describe the SuperCDMS HV detector concept and discuss some of the newly developed analysis methods and approaches. Focusing on the Ge detectors, we investigate the detector performance under voltage bias (up to 90 V), exercise the low energy (keV to sub-keV range) calibration based on the electron capture peaks generated by the decay of ^71Ge, assess the detector resolution, and demonstrate the unexpected (and encouraging) ability of these detectors to also measure high energy interactions in the hundreds of keV range with good resolution (better than 3% at 356 keV).
ER  -