The first cryogenic dark matter experiment

An experimental search for dark matter particle candidates using cryogenic detectors requires a low radioactive background environment. The authors discuss the status of a cryogenic dark matter experiment to be performed in the Stanford Underground Facility. The detectors will be cooled in a special...

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Bibliographic Details
Main Authors: Barnes, P.D., Aubourg, E., Akerib, D.S., Cummings, A., Lange, A.E., Margulies, S., Sadoulet, B., Shutt, T., Stockwell, W., White, S., Young, B.A., Da Silva, A., Bauer, D., Borden, D., Caldwell, D.O., Gray, M., Hale, D., Lu, A., Witherell, M., Yellin, S., Cabrera, B., Chugg, B., Dougherty, B.L., Irwin, K.D., Penn, M.J., Emes, J., Smith, A., Smith, G., Taylor, J., Wolgast, C., Haller, E.E., Pritychenko, B.V., Pomansky, A.A., Ross, R.R.
Format: Conference Proceeding
Language:English
Subjects:
440103 - Radiation Instrumentation- Nuclear Spectroscopic Instrumentation
661300 - Other Aspects of Physical Science- (1992-)
CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS
CONTROL EQUIPMENT
CRYOSTATS
DESIGN
DETECTION
HELIUM DILUTION REFRIGERATORS
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
MATTER
MEASURING INSTRUMENTS
NONLUMINOUS MATTER
RADIATION DETECTION
RADIATION DETECTORS
REFRIGERATORS
THERMOSTATS
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Summary:An experimental search for dark matter particle candidates using cryogenic detectors requires a low radioactive background environment. The authors discuss the status of a cryogenic dark matter experiment to be performed in the Stanford Underground Facility. The detectors will be cooled in a specially designed cryostat connected to a modified side access Oxford 400 dilution refrigerator. Details of the cryostat design and its operating performance are presented. The effectiveness of the multi-level shield surrounding the cryostat, as well as the background levels expected to be achieved in the pilot experiment are discussed. Finally, the limits which can be set on dark matter candidates with such an experiment are discussed.
ISSN:0022-2291
1573-7357