Design and performance of a modular low-radioactivity readout system for cryogenic detectors in the CDMS experiment

D. S. Akerib, P. D. Barnes, P. L. Brink, B. Cabrera, R. M. Clarke, R. J. Gaitskell, S. R. Golwala, M. E. Huber, M. Kurylowicz, Vuk Mandic, J. M. Martinis, P. Meunier, N. Mirabolfathi, S. W. Nam, M. Perillo-Isaac, T. Saab, B. Sadoulet, R. W. Schnee, D. N. Seitz, T. ShuttG. W. Smith, W. K. Stockwell, K. M. Sundqvist, S. White

Research output: Contribution to journalArticle

18 Scopus citations

Abstract

The Cryogenic Dark Matter Search (CDMS) experiment employs ultra-cold solid-state detectors to search for rare events resulting from WIMP-nucleus scattering. An innovative detector packaging and readout system has been developed to meet the unusual combination of requirements for: low temperature, low radioactivity, low energy threshold, and large channel count. Features include use of materials with low radioactivity such as multi-layer KAPTON laminates for circuit boards; immunity to microphonic noise via a vacuum coaxial wiring design, manufacturability, and modularity. The detector readout design had to accommodate various electronic components which have to be operated in close proximity to the detector as well maintaining separate individual temperatures (ranging from 600 mK to 150 K) in order to achieve optimal noise performance. The paper will describe the general electrical, thermal, and mechanical designs of the CDMS readout system, as well as presenting the theoretical and measured performance of the detector readout channels.

Original languageEnglish (US)
Pages (from-to)476-489
Number of pages14
JournalNuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment
Volume591
Issue number3
DOIs
StatePublished - Jul 1 2008

Keywords

  • CDMS
  • Cryogenic detector
  • Dark matter
  • Ionization
  • Phonon
  • TES
  • WIMP

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    Akerib, D. S., Barnes, P. D., Brink, P. L., Cabrera, B., Clarke, R. M., Gaitskell, R. J., Golwala, S. R., Huber, M. E., Kurylowicz, M., Mandic, V., Martinis, J. M., Meunier, P., Mirabolfathi, N., Nam, S. W., Perillo-Isaac, M., Saab, T., Sadoulet, B., Schnee, R. W., Seitz, D. N., ... White, S. (2008). Design and performance of a modular low-radioactivity readout system for cryogenic detectors in the CDMS experiment. Nuclear Instruments and Methods in Physics Research, Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 591(3), 476-489. https://doi.org/10.1016/j.nima.2008.03.103