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Energy resolution improvement in room-temperature CZT detectors
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Ramachers, Y. and Stewart, D. Y. (2007) Energy resolution improvement in room-temperature CZT detectors. Journal of Instrumentation, Vol.2 . doi:10.1088/1748-0221/2/12/P12003 ISSN 1748-0221.
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Official URL: http://dx.doi.org/10.1088/1748-0221/2/12/P12003
Abstract
We present methods to improve the energy resolution of single channel, room-temperature Cadmium-Zinc-Telluride (CZT) detectors. A new preamplifier design enables the acquisition of the actual transient current from the crystals and straightforward data analysis methods yield unprecedented energy resolution for our test-detectors. These consist of an eV-CAPture Plus crystal as standard and 1 cm cube Frisch collar crystals created in-house from low-grade coplanar grid detectors. Energy resolutions of 1.9% for our collar detectors and 0.8% for the eV crystal at 662 keV were obtained. The latter compares favourably to the best existing energy resolution results from pixel detectors.
Item Type: | Journal Article | ||||
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Divisions: | Faculty of Science, Engineering and Medicine > Science > Physics | ||||
Journal or Publication Title: | Journal of Instrumentation | ||||
Publisher: | IOP Publishing Ltd | ||||
ISSN: | 1748-0221 | ||||
Official Date: | December 2007 | ||||
Dates: |
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Volume: | Vol.2 | ||||
Number of Pages: | 13 | ||||
DOI: | 10.1088/1748-0221/2/12/P12003 | ||||
Status: | Peer Reviewed | ||||
Publication Status: | Published | ||||
Access rights to Published version: | Restricted or Subscription Access |
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