O$sup +$-O$sup +$ TRANSITION IN DECAY Pr$sup 140$ $Yields$ Cr$sup 14$$sup 0$ (in Russian)
Journal Article
·
· Zhur. Eksptl'. i Teoret. Fiz.
OSTI ID:4226331
An equilibrated preparation Nd/sup 149/ + Pr/sup 149/ was placed in a triple focusing beta spectrometer in order to determine whether the 1902 kev level of Ce/sup 149/ is excited during Pr/sup 149/ decay. It was found that the Ce/sup 149/(0/sup +/) 1902 kev is excited oftener in Pr/sup 140/ decay than in La/ sup 149/ (0.013%). The Ce/sup 148/ 1902 kev level appears in electron capture and in Pr/sup 149/ beta /sup +/ decay. Considering the values of f/sub k/, f/ sub l/ and f/sub t/ for permitted transitions, it was found that ft -- 2 x 10/sup 6/. Thus, the two beta /sup +/ decays from the ground state of Pr/sup 149/ into two Ce/sup 149/ states of 0/sup +/ type differ in time approximately 100 fold, which indicates the difference of the internal structure of the states. (R.V.J.)
- Research Organization:
- All-Union Inst. of Metrology
- NSA Number:
- NSA-14-003058
- OSTI ID:
- 4226331
- Journal Information:
- Zhur. Eksptl'. i Teoret. Fiz., Journal Name: Zhur. Eksptl'. i Teoret. Fiz. Vol. Vol: 37
- Country of Publication:
- Country unknown/Code not available
- Language:
- Russian
Similar Records
DECAY OF Nd$sup 140$$Yields$Pr$sup 140$-Ce$sup 14$$sup 0$
DECAY OF Nd$sup 140$ $Yields$ Pr$sup 140$ $Yields$ Ce$sup 14$$sup 0$
MEASUREMENTS OF THE NUMBER OF $gamma$ QUANTA PER ONE Ba$sup 140$ AND Pr$sup 144$ DECAY
Journal Article
·
Fri Jan 31 23:00:00 EST 1958
· Izvest. Akad. Nauk S.S.S.R. Ser. Fiz.
·
OSTI ID:4298296
DECAY OF Nd$sup 140$ $Yields$ Pr$sup 140$ $Yields$ Ce$sup 14$$sup 0$
Journal Article
·
Thu Dec 31 23:00:00 EST 1959
· Czechoslov. J. Phys.
·
OSTI ID:4097180
MEASUREMENTS OF THE NUMBER OF $gamma$ QUANTA PER ONE Ba$sup 140$ AND Pr$sup 144$ DECAY
Journal Article
·
Tue Jan 31 23:00:00 EST 1961
· Izvest. Akad. Nauk S.S.S.R., Ser. Fiz.
·
OSTI ID:4012860
Related Subjects
BETA DECAY-- CERIUM 140-- ENERGY LEVELS-- LANTHANUM 140-- MEASURED VALUES-- TRANSIENTS
BETA DECAY-- CERIUM 140-- ENERGY LEVELS-- MEASURED VALUES-- POSITRONS-- PRASEODYMIUM 140-- TRANSIENTS
BETA SPECTROMETERS-- CERIUM 140-- ENERGY LEVELS-- MEASURED VALUES-- TRANSIENTS
CERIUM 140-- ENERGY LEVELS-- MEASURED VALUES-- NEODYMIUM 140-- PRASEODYMIUM 140-- PREPARATION-- TRANSIENTS
PHYSICS
BETA DECAY-- CERIUM 140-- ENERGY LEVELS-- MEASURED VALUES-- POSITRONS-- PRASEODYMIUM 140-- TRANSIENTS
BETA SPECTROMETERS-- CERIUM 140-- ENERGY LEVELS-- MEASURED VALUES-- TRANSIENTS
CERIUM 140-- ENERGY LEVELS-- MEASURED VALUES-- NEODYMIUM 140-- PRASEODYMIUM 140-- PREPARATION-- TRANSIENTS
PHYSICS