Levels in Sm148 fed in the decay of Eu148

Baba, C. V. K. ; Ewan, G. T. ; Suárez, J. F. (1963) Levels in Sm148 fed in the decay of Eu148 Nuclear Physics, 43 . pp. 285-302. ISSN 0029-5582

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Official URL: http://linkinghub.elsevier.com/retrieve/pii/002955...

Related URL: http://dx.doi.org/10.1016/0029-5582(63)90348-1


The disintegration scheme of 54 d Eu148 has been studied using a six-gap β-ray spectrometer, scintillatoin spectrometers and e-γ, β+-γ and γ-γ coincidence techniques. Levels are established in Sm148 at energies (in keV) of 0(0+), 551(2+), 1162(3-), 1181(4+), 1595(5-), 1735(3,4+), 1896(3-), 1908(6+), 2035(4-), 2097(6+), 2147(5+), 2196(6+), 2215(5+), 2735(4,5-) and 2803((4,5)-). The spin assignments are based on measured multipolarities of the transitions, combined with the known spins of some of the levels established in our study of the decay of Pm148. Aβ+-γ coincidence experiment established a weak position feed of (0.13±0.04)% to the 1162 keV level and/or the 1181 keV level. The total decay energy of Eu148 is 3110±50 keV.

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