DECAY OF 16-MINUTE Ta$sup 182$m
Journal Article
·
· Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D
OSTI ID:4082379
A revised decay scheme of the 16-min isomer Ta/sup 182//sup m/ in volves three states of Ta/sup 182/ at excitation energies of 147, 319, and 503 kev. Transition multipolarities were classified by measuring both gamma -ray coincidences and internal conversion electrons. The 503-kev isomeric atate decays mainly (98%) by a 184-kev E3 transition to the 319-kev state. This 319- kev atate decays mainly (94%) to the 147kev state by means of a 172-kev transition that is predominantly M1. The 147-kev transition to the ground state is also predominantly M1. Two of the three possible crossover transitions were observed; a 356-kev M4 transition originates at the isomeric level and a 319-kev E2 transition connects the second excited state with the ground state. The 147- kev and the 319-kev states are probably the first and second excited rotational states of the ground-state configuration. The relevant rotational parameters are of particular interest because very little is known about moments of inentia for odd-edd nuclei. The relative prohabilities were determined for pile neutron activation of the 16-min isomer, Tai/sup 182//sup m/, and the 112-day ground state Ta/sup 18/ s/sup 2/. (auth)
- Research Organization:
- Brookhaven National Lab., Upton, N.Y.
- NSA Number:
- NSA-15-012196
- OSTI ID:
- 4082379
- Report Number(s):
- BNL-4863; 0031-899X
- Journal Information:
- Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D, Journal Name: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D Vol. Vol: 121; ISSN PHRVA
- Country of Publication:
- United States
- Language:
- English
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OSTI ID:21596575
Related Subjects
ACTIVATION
ATOMIC MODELS
BETA DETECTION
COINCIDENCE METHODS
CONFIGURATION
DECAY
DIPOLES
ELECTRIC FIELDS
ELECTRIC MOMENTS
ELECTRONS
ENERGY LEVELS
EXCITATION
GAMMA DETECTION
GAMMA RADIATION
GAMMA SPECTROMETERS
HALF-LIFE
INTERNAL CONVERSION
ISOMERS
MAGNETIC FIELDS
MAGNETIC MOMENTS
MEASURED VALUES
MOLECULES
MOMENTUM
MULTIPOLARITY
MULTIPOLE RADIATION
NEUTRONS
NUCLEAR MODELS
NUCLEI
ODD ODD NUCLEI
PHYSICS
QUADRUPOLES
RADIATIONS
RESEARCH REACTORS
ROTATION
TANTALUM 182
TRANSIENTS
ATOMIC MODELS
BETA DETECTION
COINCIDENCE METHODS
CONFIGURATION
DECAY
DIPOLES
ELECTRIC FIELDS
ELECTRIC MOMENTS
ELECTRONS
ENERGY LEVELS
EXCITATION
GAMMA DETECTION
GAMMA RADIATION
GAMMA SPECTROMETERS
HALF-LIFE
INTERNAL CONVERSION
ISOMERS
MAGNETIC FIELDS
MAGNETIC MOMENTS
MEASURED VALUES
MOLECULES
MOMENTUM
MULTIPOLARITY
MULTIPOLE RADIATION
NEUTRONS
NUCLEAR MODELS
NUCLEI
ODD ODD NUCLEI
PHYSICS
QUADRUPOLES
RADIATIONS
RESEARCH REACTORS
ROTATION
TANTALUM 182
TRANSIENTS