DETECTION OF POSITRONS IN A MAGNETIC /cap beta/-RAY SPECTROMETER BY MEANS OF THEIR ANNIHILATION RADIATION TO INVESTIGATE TRANSITIONS INVOLVING THE EMISSION OF POSITRONS WITH LOW INTENSITY
Journal Article
·
· Nucl. Instr. Methods
For the detection of positrons, two scintillation counters equipped with specially designed NaI(Tl) crystals introduced into a BETA -ray spectrometer of toroid-sector type were used in coincidence. Thereby the study of positron transitions of low intensity (10/sup -4/ to 10/sup -5/ positrons per disintegration) was possible while there was no cut-off whatsoever for positrons of low energy and the rejection ratio was practically infinite. (auth)
- Research Organization:
- Inst. for Nuclear Research, Hungarian Academy of Sciences, Debrecen
- NSA Number:
- NSA-17-032424
- OSTI ID:
- 4670799
- Journal Information:
- Nucl. Instr. Methods, Vol. Vol: 23; Other Information: Orig. Receipt Date: 31-DEC-63
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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