1333.1 and 1559.4 keV isomers in $sup 176$Hf
Journal Article
·
· Can. J. Phys., v. 51, no. 2, pp. 153-157
OSTI ID:4353724
The half-lives of the 1333.1 and 1559.4 keV isomers in /sup 176/Hf were determined to be 9.5 plus or minus 0.2 and 9.8 plus or minus 0.2 mu s respectively. The upper isomer feeds the lower by means of a 226.25 plus or minus 0.06 keV (M2) transition and a 53.49 plus or minus 0.07 -- l72.75 plus or minus 0.04 keV cascade. The multipolarities of the members of the cascade are E1 and {M1(76 plus or minus l3%) + E2(24 plus or minus 13%)} respectively. Because it is fed from the upper state, the 1333.1 keV state appears to decay with a half-life significantly longer than its true value. The half-life of this state was therefore determined by using a TAC to measure the elapsed time between the detection of a gamma ray feeding the state and one deexciting it. (auth)
- Research Organization:
- McMaster Univ., Hamilton, Ont.
- NSA Number:
- NSA-29-017254
- OSTI ID:
- 4353724
- Journal Information:
- Can. J. Phys., v. 51, no. 2, pp. 153-157, Journal Name: Can. J. Phys., v. 51, no. 2, pp. 153-157; ISSN CJPHA
- Country of Publication:
- Canada
- Language:
- English
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Related Subjects
*HAFNIUM 176-- ISOMERIC TRANSITIONS
ELECTRIC DIPOLE MOMENTS
HALF- LIFE
ISOMERIC NUCLEI
MAGNETIC DIPOLE MOMENTS
N68831* --Physics (Nuclear
Experimental)--Nuclear Properties & Reactions
150 <= A <= 189--Energy Levels & Transitions
NUCLEAR ELECTRIC MOMENTS
NUCLEAR MAGNETIC MOMENTS
QUADRUPOLE MOMENTS
ELECTRIC DIPOLE MOMENTS
HALF- LIFE
ISOMERIC NUCLEI
MAGNETIC DIPOLE MOMENTS
N68831* --Physics (Nuclear
Experimental)--Nuclear Properties & Reactions
150 <= A <= 189--Energy Levels & Transitions
NUCLEAR ELECTRIC MOMENTS
NUCLEAR MAGNETIC MOMENTS
QUADRUPOLE MOMENTS