PROBABILITIES OF RADIATIVE TRANSITIONS BETWEEN THE ROTATION LEVELS OF Er$sup 166$ AND Tm$sup 169$ NUCLEI (in Russian)
Journal Article
·
· Izvest. Akad. Nauk. S.S.S.R., Ser. Fiz.
OSTI ID:4066980
The life-time of the first excitation level (81 kev) for Er/sup 166/ and three levels (118, 139, and 473 kev) for Tm/sup 169/ was studied with a coincidence spectrometer capable of measuring e-e, beta -e, Auger-e, and Auger- Auger type coincidences (e is internal conversion electron and beta is decay electrons). A semilog scale of decay curve is plotted for the first excitation state (2/sup +/ of Er/sup 166/ obtained by measuring the number of K electron coincidences of 184 kev (left branch) and M-electron conversions of 81 kev (right branch). The half life for Er/sup 166/ was found to be T/sub 1/>i = (2.0 plus or minus 0.2) x 10/sup -/s s ec. The decay scheme for Yb/sup 169/ - Tm/sup 169/ is plotted for the lines, and spins and life times are assigned and correlated with published data. (R.V.J.)
- Research Organization:
- Inst. of Physics and Tech., Academy of Sciences, USSR
- NSA Number:
- NSA-15-013707
- OSTI ID:
- 4066980
- Journal Information:
- Izvest. Akad. Nauk. S.S.S.R., Ser. Fiz., Journal Name: Izvest. Akad. Nauk. S.S.S.R., Ser. Fiz. Vol. Vol: 24
- Country of Publication:
- Country unknown/Code not available
- Language:
- Russian
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Related Subjects
ATOMIC MODELS
AUGER EFFECT
BETA DECAY
BETA DETECTION
BETA PARTICLES
BETA SPECTROMETERS
BRANCHING RATIO
COINCIDENCE METHODS
DECAY
DIAGRAMS
EFFICIENCY
ELECTRONS
ENERGY LEVELS
EXCITATION
GAMMA RADIATION
HALF-LIFE
INTERNAL CONVERSION
MEASURED VALUES
NUCLEAR MODELS
PARITY
PHYSICS
ROTATION
SPIN
THULIUM 169
YTTERBIUM 169
AUGER EFFECT
BETA DECAY
BETA DETECTION
BETA PARTICLES
BETA SPECTROMETERS
BRANCHING RATIO
COINCIDENCE METHODS
DECAY
DIAGRAMS
EFFICIENCY
ELECTRONS
ENERGY LEVELS
EXCITATION
GAMMA RADIATION
HALF-LIFE
INTERNAL CONVERSION
MEASURED VALUES
NUCLEAR MODELS
PARITY
PHYSICS
ROTATION
SPIN
THULIUM 169
YTTERBIUM 169