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L/K-capture ratio in 153Gd and low-lying levels in 153Eu

✍ Scribed by A. Bisi; E. Germagnoli; L. Zappa

Publisher
Elsevier Science
Year
1956
Weight
368 KB
Volume
1
Category
Article
ISSN
0029-5582

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✦ Synopsis

The electron capture decay of X"Gd has been investigated. Only one ~,-ray, of energy 104 keV, was found to follow the electron capture decay; its K conversion coefficient resulted to be ccK = 0.70Β±0.03. By using the integrating features of the scintillation spectrometer and by means of coincidence techniques the L-to K-capture ratio for the transition to the excited state of a"Eu was obtained. It was found that PL/PK = 0.684-0.02 which corresponds to a transition energy E 0 = 834-2 keV. No branching to the ground state was found. A decay scheme is proposed. The disagreement between our results and those obtained by means of Coulomb excitation of X"Eu is pointed out and briefly discussed.

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