Ionization measurements of SuperCDMS SNOLAB 100 mm diameter germanium crystals

H. Chagani, D. A. Bauer, D. Brandt, P. L. Brink, B. Cabrera, M. Cherry, E. Do Couto E Silva, G. G. Godfrey, J. Hall, S. Hansen, J. Hasi, M. Kelsey, C. J. Kenney, V. Mandic, D. Nagasawa, L. Novak, N. Mirabolfathi, R. Partridge, R. Radpour, R. ReschB. Sadoulet, D. N. Seitz, B. Shank, A. Tomada, J. Yen, B. A. Young, J. Zhang

Research output: Contribution to journalArticlepeer-review

7 Scopus citations

Abstract

Scaling cryogenic Germanium-based dark matter detectors to probe smaller WIMP-nucleon cross-sections poses significant challenges in the forms of increased labor, cold hardware, warm electronics and heat load. The development of larger crystals alleviates these issues. The results of ionization tests with two 100 mm diameter, 33 mm thick cylindrical detector-grade Germanium crystals are presented here. Through these results the potential of using such crystals in the Super Cryogenic Dark Matter Search (SuperCDMS) SNOLAB experiment is demonstrated.

Original languageEnglish (US)
Pages (from-to)1125-1130
Number of pages6
JournalJournal of Low Temperature Physics
Volume167
Issue number5-6
DOIs
StatePublished - 2012

Keywords

  • Charge transport
  • Dark matter detectors
  • Germanium crystals

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