GAMMA EMISSION OF Eu$sup 14$$sup 6$

Journal Article · Wed Feb 01 04:00:00 EST 1961 · Izvest. Akad. Nauk S.S.S.R., Ser. Fiz.

OSTI ID:4007387

Berlovich, E E; Klement'ev, V N; Krasnov, L V; Nikitin, M K

Gamma emission in Eu/sup 1//sup 4//sup 6/ electron capture was studied with a scintillation coincidence spectrometer. The resolving time varied from 0.2 to 20 mu sec. The Gd fraction was separated from a Ta target bombarded by 660-Mev protons and used as the source. The main activity was related to Gd/sup 1//sup 4//sup 6/ (60 days) and daughter Eu/sup 1//sup 4//sup 6/ (5 days). The contribution of Gd/sup 1//sup 4//sup 6/ to the Eu/sup 1//sup 4//sup 6/ line was negligible. The relative intensities of transitions in Eu/sup 1//sup 4//sup 6/ are tabulated and the gamma and coincidence spectra are plotted. Neither the single spectra nor the coincidence spectra exhibited any direct transition from 1.38 Mev with intensity exceeding 0.05 of the 0.74 Mev line (taken as a unit). A decay scheme which agrees with the results is offered. The energy of Eu/sup 1// sup 4//sup 6/ transition to Sm/sup 1//sup 4//sup 6/ is 3350 kev according to Camer on and 3700 kev according to Levy, supporting the existence of levels up to 3.5 Mev. Observed gamma quanta of 280 kev, which coincide with 115 to 120 kev quanta, belong to Cd/sup 1//sup 4//sup 6/ and Eu/sup 1//sup 4//sup 7/. (R.V.J.)

• Research Organization: Ioffee Inst. of Physics and Tech., Academy of Sciences, USSR
• NSA Number: NSA-15-018759
• OSTI ID: 4007387
• Journal Information: Izvest. Akad. Nauk S.S.S.R., Ser. Fiz., Journal Name: Izvest. Akad. Nauk S.S.S.R., Ser. Fiz. Vol. Vol: 25
• Country of Publication: Country unknown/Code not available
• Language: Russian

Related Subjects

CAMERON FORMULA
CAPTURE
COINCIDENCE METHODS
DECAY
ELECTRONS
ENERGY LEVELS
ENERGY RANGE
EUROPIUM 146
EUROPIUM 147
GADOLINIUM 146
GAMMA RADIATION
GAMMA SOURCES
GAMMA SPECTROMETERS
HALF-LIFE
IRRADIATION
ISOTOPE SEPARATION
MEASURED VALUES
PHYSICS
PROTONS
RESOLUTION
SAMARIUM 146
SCINTILLATION COUNTERS
SPECTRA
TANTALUM
TRANSIENTS