AN INTEGRAL-BIAS SUMMING SPECTROMETER FOR GAMMA-GAMMA COINCIDENCE AND ANGULAR CORRELATION STUDIES
Journal Article
·
· Nuclear Instr. & Methods
A new type of scintillation coincidence spectrometer is designed which sums pulses from scintillation events occurring simultaneously in two NaI(Tl) crystals, integralbias disciiminator outputs being used in coincidence or in anticoincidence with sum-pulses, to select wanted coincidences. This sum-peak spectrometer'' has a better efficiency and resolution than an ordinary coincidence spectrometer, from which it can be obtained by an easy modification to give additional information on coincidence relations of gamma-rays. As no pulse-height selector windows are involved, the performance of the spectrometer is insensitive to minor electronic drifts, which also makes this system especially useful in angular correlation studies. Here in some cases it permits a simultaneous measurement of several angular correlation functions. It also offers the possibility of using a known gamma cascade as an internal monitor which reduces uncertainties due to geometrical and other effects. (auth)
- Research Organization:
- Univ. of Arkansas, Fayetteville
- NSA Number:
- NSA-16-019105
- OSTI ID:
- 4840315
- Journal Information:
- Nuclear Instr. & Methods, Journal Name: Nuclear Instr. & Methods Vol. Vol: 15
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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