High rate 4. pi. beta. -. gamma. coincidence counting system
Conference
·
OSTI ID:6512349
A high count rate 4..pi.. ..beta..-..gamma.. coincidence counting system for the determination of absolute disintegration rates of short half-life radionuclides is described. With this system the dead time per pulse is minimized by not stretching any pulses beyond the width necessary to satisfy overlap coincidence requirements. The equations used to correct for the ..beta.., ..gamma.., and coincidence channel dead times and for accidental coincidences are presented but not rigorously developed. Experimental results are presented for a decaying source of /sup 56/Mn initially at 2 x 10/sup 6/ d/s and a set of /sup 60/Co sources of accurately known source strengths varying from 10/sup 3/ to 2 x 10/sup 6/ d/s. A check of the accidental coincidence equation for the case of two independent sources with varying source strengths is presented.
- Research Organization:
- Idaho National Engineering Lab., Idaho Falls (USA)
- DOE Contract Number:
- EY-76-C-07-1570
- OSTI ID:
- 6512349
- Report Number(s):
- CONF-781033-11
- Country of Publication:
- United States
- Language:
- English
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·
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46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
COINCIDENCE CIRCUITS
COINCIDENCE METHODS
COUNTING TECHNIQUES
ELECTRONIC CIRCUITS
MEASURING INSTRUMENTS
PERFORMANCE
PROPORTIONAL COUNTERS
RADIATION DETECTORS
SCINTILLATION COUNTERS
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
COINCIDENCE CIRCUITS
COINCIDENCE METHODS
COUNTING TECHNIQUES
ELECTRONIC CIRCUITS
MEASURING INSTRUMENTS
PERFORMANCE
PROPORTIONAL COUNTERS
RADIATION DETECTORS
SCINTILLATION COUNTERS