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Phonon Quasidiffusion in Cryogenic Dark Matter Search Large Germanium Detectors

Author(s)
Leman, Steven W.; McCarthy, Kevin Ahmad; Figueroa-Feliciano, Enectali; Cabrera, B.; Pyle, M.; Resch, R.; Sadoulet, B.; Sundqvist, K. M.; Brink, P. L.; do Couto e Silva, Eduardo; Mirabolfathi, N.; Serfass, B.; Tomada, A.; ... Show more Show less
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Abstract
We present results on quasidi usion studies in large, 3 inch diameter, 1 inch thick [100] high purity germanium crystals, cooled to 50 mK in the vacuum of a dilution refrigerator, and exposed with 59.5 keV gamma-rays from an Am-241 calibration source. We compare data obtained in two di erent detector types, with di erent phonon sensor area coverage, with results from a Monte Carlo. The Monte Carlo includes phonon quasidi usion and the generation of phonons created by charge carriers as they are drifted across the detector by ionization readout channels.
Date issued
2011-02
URI
http://hdl.handle.net/1721.1/76334
Department
Massachusetts Institute of Technology. Department of Physics; MIT Kavli Institute for Astrophysics and Space Research
Journal
Chinese Journal of Chemical Physics
Publisher
IOP Publishing
Citation
Leman, S. W. et al. “Phonon Quasidi usion in Cryogenic Dark Matter Search Large Germanium Detectors.” Chinese Journal of Physics 49.1 (2011): 349–358.
Version: Author's final manuscript
ISSN
1003-7713

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