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An uniform-field argon-filled gas proportional scintillation counter, using a large-area avalanche photodiode, is presented. The excitation and ionization thresholds for argon were found to be approximately 0.7 and 3.7 V cm-1 torr-1, respectively. An upper limit of 0.30±0.04 was measured for the argon Fano factor for 5.9-keV X-rays. An energy resolution of 12.5% full-width-at-half-maximum was achieved for 5.9-keV X-rays. The ultraviolet large-area avalanche photodiode proved to be suitable for reading the scintillation light of an argon-filled gas proportional scintillation counter, providing a quantum efficiency of about 50% at 128 nm. Good photodiode performance is already achieved for gains about 100
Published in:
Nuclear Science, IEEE Transactions on
(Volume:48
,
Issue:
4
)
Date of Publication: Aug 2001
- Page(s):
- 1081 - 1086
- ISSN :
- 0018-9499
- INSPEC Accession Number:
- 7084054
- Digital Object Identifier :
- 10.1109/23.958727
- Product Type:
- Journals & Magazines
- Date of Current Version :
- 07 August 2002
- Issue Date :
- Aug 2001
- Sponsored by :
- IEEE Nuclear and Plasma Sciences Society
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