DECAY OF Pm$sup 148$, Pm$sup 148$m, AND Eu$sup 14$$sup 8$

Journal Article · Thu Mar 01 04:00:00 EST 1962 · Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D

DOI:https://doi.org/10.1103/PhysRev.125.1641· OSTI ID:4799156

Schwerdtfeger, C F; Funk, Jr, E G; Mihelich, J W

The beta decay of Pm/sup 148/ and Pm/sup 148m/(5.0 and 45.5 days) and electron capture by Eu/sup 148/ (58 days) proceed to levels in Sm/sup 148/. These activities are investigated with scintillation and magnetic spectrometers, and coincidence and directional correlation techniques. Pm/sup 148/ decays via three beta branches to levels at 1460 and 551 kev- and the ground state, with the available energy being 2460 plus or minus 20 kev. The decay of Pm/sup 148/ and Eu/sup 148/ each populate levels of 551, 1181, 1596, 1908, and 2098 kev. The long-lived Pm populates additional levels at 2027 and 2197 kev, and Eu/sup 148/ populates levels at data are consistent with the 45-day state being approximately 140 kev above the 5-day state. Decay schemes consistent with the experimental data are presented. (auth)

• Research Organization: Univ. of Notre Dame, Ind.
• NSA Number: NSA-16-014025
• OSTI ID: 4799156
• Journal Information: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D, Journal Name: Physical Review (U.S.) Superseded in part by Phys. Rev. A, Phys. Rev. B: Solid State, Phys. Rev. C, and Phys. Rev. D Vol. Vol: 125; ISSN PHRVA
• Country of Publication: Country unknown/Code not available
• Language: English

Related Subjects

BETA DECAY
BETA SPECTROMETERS
EUROPIUM 148
PHYSICS
PROMETHIUM 148
SAMARIUM 148
SCINTILLATION COUNTERS
STATISTICS