Evaluation of granulated BGO, GSO : Ce, YAG : Ce, CaF2 : Eu and ZnS : Ag for alpha/beta pulse shape discrimination in a flow-cell radiation detector

Authors
DeVol, TA Chotoo, SB Fjeld, RA
Citation
Ta. Devol et al., Evaluation of granulated BGO, GSO : Ce, YAG : Ce, CaF2 : Eu and ZnS : Ag for alpha/beta pulse shape discrimination in a flow-cell radiation detector, NUCL INST A, 425(1-2), 1999, pp. 228-231
Citations number
5
Categorie Soggetti
Spectroscopy /Instrumentation/Analytical Sciences","Instrumentation & Measurement
Journal title
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
ISSN journal
01689002 → ACNP
Volume
425
Issue
1-2
Year of publication
1999
Pages
228 - 231
Database
ISI
SICI code
0168-9002(19990401)425:1-2<228:EOGBG:>2.0.ZU;2-F
Abstract
Granulated BGO, GSO:Ce, YAG:Ce, and CaF2:Eu; CaF2:Eu coated with a fluoresc ent polymer, and combinations of coated and uncoated CaF,:Eu with ZnS:Ag we re evaluated for their ability to discriminate between alpha and beta parti cles in a flow-cell radiation detector. The evaluations were based on the a nalysis of pulse shape spectra. Various granulated scintillators were packe d into flow cell detectors that were coils of 3.0 mm OD x 1.5 mm ID fluorin ated ethylene propylene Teflon(R) tubing positioned between dual photomulti plier tubes for analysis. The best pulse shape discrimination was obtained for a combination of equal masses of uncoated CaF2:Eu (63-90 mu m) and ZnS: Ag (10 mu m), which had a 9% spillover. Additional research is needed to re duce the spillover. (C) 1999 Elsevier Science B.V. All rights reserved.