Search for the decay of /sup 180/Ta/sup m/
Journal Article
·
· Phys. Rev. C; (United States)
A sample of Ta/sub 2/O/sub 5/ containing 151 mg of Ta enriched to 5.47% in /sup 180/Ta/sup m/ was counted in a well-type high-purity Ge detector. This was enclosed in a large NaI(Tl) detector operated in anticoincidence to reduce the cosmic-ray continuum background. Several runs of approx.100 days each were made under different conditions to search for ..gamma..-ray singles or summing peaks that would follow the electron capture decay of /sup 180/Ta/sup m/ to /sup 180/Hf or the ..beta../sup -/ decay to /sup 180/W. Lower limits derived were T/sub 1/2/>3.0 x 10/sup 15/ yr, logf/sub 0/t>22.9 for electron capture decay and T/sub 1/2/>1.9 x 10/sup 15/ yr, logf/sub 0/t>21.3 for ..beta../sup -/ decay. The total half-life of /sup 180/Ta/sup m/ is therefore T/sub 1/2/>1.2 x 10/sup 15/yr.
- Research Organization:
- Brookhaven National Laboratory, Upton, New York 11973
- OSTI ID:
- 5885581
- Journal Information:
- Phys. Rev. C; (United States), Journal Name: Phys. Rev. C; (United States) Vol. 31:4; ISSN PRVCA
- Country of Publication:
- United States
- Language:
- English
Similar Records
DECAY OF Ta$sup 180$. II.
The nucleosynthesis of sup 180 Ta
The nucleosynthesis of /sup 180/Ta
Journal Article
·
Fri Oct 31 23:00:00 EST 1958
· Zeitschrift fuer Naturforschung (West Germany) Divided into Z. Nautrforsch., A, and Z. Naturforsch., B: Anorg. Chem., Org. Chem., Biochem., Biophys.,
·
OSTI ID:4295328
The nucleosynthesis of sup 180 Ta
Thesis/Dissertation
·
Wed Dec 31 23:00:00 EST 1986
·
OSTI ID:5097164
The nucleosynthesis of /sup 180/Ta
Technical Report
·
Fri Jun 12 00:00:00 EDT 1987
·
OSTI ID:5827960
Related Subjects
651822* -- Nuclear Properties & Reactions
A=150-189
Experimental-- Radioactive Decay-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR MOMENTUM
BETA DECAY
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY
BETA-MINUS DECAY RADIOISOTOPES
DATA
DECAY
ELECTROMAGNETIC RADIATION
ELECTRON CAPTURE DECAY
ELECTRON CAPTURE RADIOISOTOPES
ENERGY LEVELS
EVEN-EVEN NUCLEI
EXPERIMENTAL DATA
FT VALUE
GAMMA RADIATION
HAFNIUM 180
HAFNIUM ISOTOPES
HALF-LIFE
HOURS LIVING RADIOISOTOPES
INFORMATION
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
IONIZING RADIATIONS
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LIMITING VALUES
NUCLEI
NUMERICAL DATA
ODD-ODD NUCLEI
PARITY
PARTICLE PROPERTIES
RADIATIONS
RADIOISOTOPES
SECONDS LIVING RADIOISOTOPES
SPIN
STABLE ISOTOPES
TANTALUM 180
TANTALUM ISOTOPES
TUNGSTEN 180
TUNGSTEN ISOTOPES
A=150-189
Experimental-- Radioactive Decay-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ANGULAR MOMENTUM
BETA DECAY
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY
BETA-MINUS DECAY RADIOISOTOPES
DATA
DECAY
ELECTROMAGNETIC RADIATION
ELECTRON CAPTURE DECAY
ELECTRON CAPTURE RADIOISOTOPES
ENERGY LEVELS
EVEN-EVEN NUCLEI
EXPERIMENTAL DATA
FT VALUE
GAMMA RADIATION
HAFNIUM 180
HAFNIUM ISOTOPES
HALF-LIFE
HOURS LIVING RADIOISOTOPES
INFORMATION
INTERMEDIATE MASS NUCLEI
INTERNAL CONVERSION RADIOISOTOPES
IONIZING RADIATIONS
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LIMITING VALUES
NUCLEI
NUMERICAL DATA
ODD-ODD NUCLEI
PARITY
PARTICLE PROPERTIES
RADIATIONS
RADIOISOTOPES
SECONDS LIVING RADIOISOTOPES
SPIN
STABLE ISOTOPES
TANTALUM 180
TANTALUM ISOTOPES
TUNGSTEN 180
TUNGSTEN ISOTOPES