Performance of a gamma-ray and x-ray spectrometer utilizing germanium and Si(Li) detectors cooled by a closed-cycle cryogenic mechanical refrigerator
Conference
·
· IEEE Trans. Nucl. Sci.; (United States)
OSTI ID:5892452
A mechanically cooled spectrometer has been constructed and tested separately with Si(Li) planar, high-purity germanium (HPGe) planar, and HPGe coaxial detectors. For each of these types of semiconductor detectors, this spectrometer has attained the lowest noise and best resolution at 5.9 keV, 122 keV, or 1.33 MeV of any closed-cycle mechanically cooled spectrometer which has been reported on in the literature. Resolutions at 5.9 keV were 175 eV FWHM with a 4 mm diameter Si(Li) detector and 202 eV with a 16 mm HPGe planar detector. With a 10% relative efficiency HPGe coaxial detector, resolutions of 816 eV at 122 keV and 1.70 keV at 1.33 MeV were obtained.
- Research Organization:
- EG and G ORTEC, 100 Midland Road, Oak Ridge, TN 37830
- OSTI ID:
- 5892452
- Report Number(s):
- CONF-851009-
- Journal Information:
- IEEE Trans. Nucl. Sci.; (United States), Journal Name: IEEE Trans. Nucl. Sci.; (United States) Vol. NS-33:1; ISSN IETNA
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
440101 -- Radiation Instrumentation-- General Detectors or Monitors & Radiometric Instruments
440103* -- Radiation Instrumentation-- Nuclear Spectroscopic Instrumentation
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
CLOSED-CYCLE SYSTEMS
CRYOGENICS
EFFICIENCY
ENERGY EFFICIENCY
ENERGY RANGE
ENERGY RESOLUTION
GAMMA SPECTROMETERS
GAMMA SPECTROSCOPY
GE SEMICONDUCTOR DETECTORS
HIGH-PURITY GE DETECTORS
KEV RANGE
KEV RANGE 01-10
KEV RANGE 100-1000
LI-DRIFTED DETECTORS
LI-DRIFTED SI DETECTORS
MEASURING INSTRUMENTS
MEV RANGE
MEV RANGE 01-10
NOISE
PERFORMANCE TESTING
RADIATION DETECTORS
REFRIGERATORS
RESOLUTION
SEMICONDUCTOR DETECTORS
SI SEMICONDUCTOR DETECTORS
SPECTROMETERS
SPECTROSCOPY
TESTING
X-RAY SPECTROMETERS
X-RAY SPECTROSCOPY
440103* -- Radiation Instrumentation-- Nuclear Spectroscopic Instrumentation
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
CLOSED-CYCLE SYSTEMS
CRYOGENICS
EFFICIENCY
ENERGY EFFICIENCY
ENERGY RANGE
ENERGY RESOLUTION
GAMMA SPECTROMETERS
GAMMA SPECTROSCOPY
GE SEMICONDUCTOR DETECTORS
HIGH-PURITY GE DETECTORS
KEV RANGE
KEV RANGE 01-10
KEV RANGE 100-1000
LI-DRIFTED DETECTORS
LI-DRIFTED SI DETECTORS
MEASURING INSTRUMENTS
MEV RANGE
MEV RANGE 01-10
NOISE
PERFORMANCE TESTING
RADIATION DETECTORS
REFRIGERATORS
RESOLUTION
SEMICONDUCTOR DETECTORS
SI SEMICONDUCTOR DETECTORS
SPECTROMETERS
SPECTROSCOPY
TESTING
X-RAY SPECTROMETERS
X-RAY SPECTROSCOPY