MEASUREMENTS OF THE $gamma$-RADIATIONS FROM Eu$sup 162$ BY THE METHOD OF EXTERNAL CONVERSION
The photoline spectrum from 10 gamma rays following the decay of 12 y Eu/sup 152/ was studied with a double-focusing beta spectrometer, using a 2.2 mg/cm/sub 2/ U converter. The resulting momentum resolution was 0.6 to 1%, depending on energy. The relative gamma -ray intensities found are in good agreement with those obtuined by Dzelepow and Zhukovsky from a study of recoil electrons. Combining our gamma -ray intensities and the internal conversion datu of Bobykin and Novik, relative values of internal conversion coefficients of the investigated gamma -rays were determined. The multipolarity assignments obtained in this way are discussed within the framework of the unified model, and particular attention is given to the 689 kev transition in Sm/sup 152/ . It is suggested that this radiation is of the E0 + E2 type and is proceeding from a proposed 2 + beta -vibrational state at 811 kev to the 2+ member of the ground- state rotational band. The decay properties of the B11 kev state are discussed in some detufl. (auth)
- Research Organization:
- Nobel Inst. of Physics, Stockholm
- NSA Number:
- NSA-13-010442
- OSTI ID:
- 4258344
- Journal Information:
- Nuclear Phys., Journal Name: Nuclear Phys. Vol. Vol: 10
- Country of Publication:
- Country unknown/Code not available
- Language:
- English
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Related Subjects
BETA SPECTROMETERS
CONVERSION
DECAY
ELECTRIC MOMENTS
ELECTRONS
ENERGY
ENERGY LEVELS
EUROPIUM 152
EXCITATION
EXTERNAL CONVERSION
FOILS
GAMMA RADIATION
HALF-LIFE
INTERNAL CONVERSION
LENSES
MEASURED VALUES
MOMENTUM
NUCLEAR MODELS
PARITY
PHYSICS AND MATHEMATICS
PRODUCTION
RECOILS
RESOLUTION
ROTATION
SAMARIUM 152
SPECTRA
SPIN
THICKNESS
URANIUM
VIBRATIONS
CONVERSION
DECAY
ELECTRIC MOMENTS
ELECTRONS
ENERGY
ENERGY LEVELS
EUROPIUM 152
EXCITATION
EXTERNAL CONVERSION
FOILS
GAMMA RADIATION
HALF-LIFE
INTERNAL CONVERSION
LENSES
MEASURED VALUES
MOMENTUM
NUCLEAR MODELS
PARITY
PHYSICS AND MATHEMATICS
PRODUCTION
RECOILS
RESOLUTION
ROTATION
SAMARIUM 152
SPECTRA
SPIN
THICKNESS
URANIUM
VIBRATIONS