A portable gamma-ray spectrometer using compressed xenon

A portable gamma-ray spectrometer using compressed xenon

An ionization chamber using compressed xenon has been designed and built for gamma-ray spectrometry. The device is based on signal measurement from a parallel plate detector, with the gas enclosure constructed specifically for packaging into a portable instrument; thus, appropriate engineering pract...

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Bibliographic Details
Published in:IEEE transactions on nuclear science Vol. 45; no. 3; pp. 1029 - 1033
Main Authors: Mahler, G.J., Yu, B., Smith, G.C., Kane, W.R., Lemley, J.R.
Format: Journal Article
Language:English
Published: IEEE 01-06-1998
Subjects:
Anodes
Containers
Detectors
Electrodes
Electrons
Energy resolution
Ionization chambers
Spectroscopy
Temperature
Xenon
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Description
Summary:An ionization chamber using compressed xenon has been designed and built for gamma-ray spectrometry. The device is based on signal measurement from a parallel plate detector, with the gas enclosure constructed specifically for packaging into a portable instrument; thus, appropriate engineering practices using ASME codes have been followed. The portable system comprises two small containers that can be setup for operation in just a few minutes. Its sensitivity is 100 keV to over 1 MeV, with a resolution at 662 keV of 2.5% FWHM for uniform irradiation, and 2% FWHM for collimated irradiation, comparable to the best ever with compressed xenon. It also exhibits greater specificity than most scintillators, such as NaI. The device is insensitive to neutron damage and has a low power requirement.
Bibliography:ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:0018-9499
1558-1578
DOI:10.1109/23.682701