A Low-Noise Germanium Ionization Spectrometer for Low-Background Science
Recent progress on the development of very low noise high purity germanium ionization spectrometers has produced an instrument of 1.2 kg mass and excellent noise performance. The detector was installed in a low-background cryostat intended for use in a direct detection search for low mass, WIMP dark...
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| Veröffentlicht in: | IEEE transactions on nuclear science 2016-12, Vol.63 (6), p.2782-2792 |
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| container_title | IEEE transactions on nuclear science |
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| creator | Aalseth, Craig E. Colaresi, Jim Collar, Juan I. Fast, James E. Hossbach, Todd W. Orrell, John L. Overman, Cory T. Scholz, Bjorn Vandevender, Brent A. Yocum, K. Michael |
| description | Recent progress on the development of very low noise high purity germanium ionization spectrometers has produced an instrument of 1.2 kg mass and excellent noise performance. The detector was installed in a low-background cryostat intended for use in a direct detection search for low mass, WIMP dark matter. This transaction reports the thermal characterization of the cryostat, specifications of the newly prepared 1.2 kg p-type point contact germanium detector, and the spectroscopic performance of the integrated system. The integrated detector and low background cryostat achieved full-width-at-half-maximum noise performance of 98 eV for an electronic pulse generator peak and 1.9 keV for the 1332-keV 60 Co gamma ray. |
| doi_str_mv | 10.1109/TNS.2016.2614431 |
| format | Article |
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Michael</creatorcontrib><creatorcontrib>Pacific Northwest National Lab. (PNNL), Richland, WA (United States)</creatorcontrib><title>A Low-Noise Germanium Ionization Spectrometer for Low-Background Science</title><title>IEEE transactions on nuclear science</title><addtitle>TNS</addtitle><description>Recent progress on the development of very low noise high purity germanium ionization spectrometers has produced an instrument of 1.2 kg mass and excellent noise performance. The detector was installed in a low-background cryostat intended for use in a direct detection search for low mass, WIMP dark matter. This transaction reports the thermal characterization of the cryostat, specifications of the newly prepared 1.2 kg p-type point contact germanium detector, and the spectroscopic performance of the integrated system. 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| ispartof | IEEE transactions on nuclear science, 2016-12, Vol.63 (6), p.2782-2792 |
| issn | 0018-9499 1558-1578 |
| language | eng |
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| source | IEEE/IET Electronic Library |
| subjects | Background noise COMSOL thermal model Copper cryostat Crystals Dark Matter Detectors Gamma rays Germanium INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY Ionization Low noise low-noise detector neutrino nucleus coherent scattering Noise p-type point contact high purity germanium ionization spectrometer Point contact Pulse generators Sensors Spectrometers Temperature measurement Temperature sensors Thermodynamic properties |
| title | A Low-Noise Germanium Ionization Spectrometer for Low-Background Science |
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