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Scientific paper
Feb 2002
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2002aipc..605..533d&link_type=abstract
LOW TEMPERATURE DETECTORS: Ninth International Workshop on Low Temperature Detectors. AIP Conference Proceedings, Volume 605, p
Other
Neutrino, Muon, Pion, And Other Elementary Particle Detectors, Cosmic Ray Detectors, Solid-State Detectors, Superconducting Optical, X-Ray, And Gamma-Ray Detectors
Scientific paper
The Cryogenic Dark Matter Search (CDMS) employs detectors which are capable of simultaneously measuring the ionization and phonon energies deposited by a particle collision. These detectors are 1-cm-thick, 7-cm-diameter crystals of either germanium or silicon with a thin film of aluminum and tungsten patterned on the surface. This presentation discusses the testing regimen that a typical CDMS detector undergoes before it gets approval for final installation at the CDMS II deep side in Soudan, MN which should be coming online within a year. Now that our technology is relatively stable, the main focus of our test facilities is to provide quality control for the mass production of our detectors. First, the critical temperatures of the tungsten and other basic quantities are measured in preparation for iron implantation, which will bring the Tc down to the desired range (70 mK). The same basic measurements are taken again after implantation to assure that the correct Tc was achieved. Finally, a detailed map of energy response as a function of position is made to make sure that there are no inhomogeneities across the surface. .
Abrams Douglas
Akerib Daniel S.
Bauer David
Brink Paul L.
Cabrera Blas
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