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THE DECAY OF Br$sup 7$$sup 6$

Journal Article · · Nuclear Phys.
; ; ;

The radiations of 16.1 plus or minus 0.2 hour Br/sup 76/ were studied with single-crystal and coincidence scintillation spectrometers; beta-gamma coincidences were also studied with a proportional counter-scintillation crystal coincidence spectrometer. Three positon groups of maximum energies (and relative intensities) of 1.68 plus or minus 0.10 (45/sup +/), 3.15 plus or minus 0.10 (100/sup +/) and 1.9 plus or minus 0.2 Mev (< 40/sup +/) were resolved; the ratio of electron capture to positon emission was determined as 0.6 plus or minus 0.2. The 3.68 Mev positon group is a ground state transition, since it is not in coincidence with the 0.56 Mev gamma ray. A total number of 15 gamma rays with energies ranging from 0.56 to 4.42 Mev were resolved For a few selected gamma rays coincidence measurements performed with the proportional counter yielded the relative amount of positons feeding these gamma transitions. In view of the complexity of the gamma ray spectrum no unnmbiguous decay scheme for Br/ sup 76/ can be proposed. Some features of the level scheme of Se/sup 76/ are discussed especially in relation to the results obtained from a separate study of the decay of As/sup 76/. (auth)

Research Organization:
Instituut voor Kernphysisch Onderzoek, Amsterdam; Technische Hogeschool, Delft, Netherlands
NSA Number:
NSA-14-004791
OSTI ID:
4192873
Journal Information:
Nuclear Phys., Journal Name: Nuclear Phys. Vol. Vol: 13
Country of Publication:
Country unknown/Code not available
Language:
English

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Related Subjects

ARSENIC 76-- BROMINE 76-- DECAY-- ENERGY LEVELS-- MEASURED VALUES-- SELENIUM 76e
BETA PARTICLES-- BROMINE 76-- COINCIDENCE METHODS-- DECAY-- MEASURED VALUES-- PROPORTIONAL COUNTERS
BROMINE 76- - CAPTURE-- DECAY-- ELECTRONS-- MEASURED VALUES
BROMINE 76-- COINCIDENCE METHODS-- CRYSTALS-- DECAY-- GAMMA SPECTROMETERS-- MEASURED VALUES-- SCINTILLATION COUNTERS
BROMINE 76-- DECAY-- EMISSION-- MEASURED VALUES-- POSITRONS
BROMINE 76-- DECAY-- ENERGY LEVELS-- MEASURED VALUES
BROMINE 76-- DECAY-- HALF-LIFE-- MEASURED VALUES
PHYSICS