The radioactive decay series 138 Nd →  138 Pr →  138 Ce

Measurements of the energies and intensities of gamma rays associated with decay of 138 Nd, 138 Pr m , and 138 Pr g have been performed using a Ge(Li) detector. The branching ratio to a previously unreported excited level of 138 Pr (328.1 keV) has been measured, thus allowing for direct measurement...

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Bibliographic Details
Published in:Canadian journal of chemistry 1970-07, Vol.48 (14), p.2151-2157
Main Author: Hogan, James J.
Format: Article
Language:English
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Summary:Measurements of the energies and intensities of gamma rays associated with decay of 138 Nd, 138 Pr m , and 138 Pr g have been performed using a Ge(Li) detector. The branching ratio to a previously unreported excited level of 138 Pr (328.1 keV) has been measured, thus allowing for direct measurement of the decay of 138 Nd. Half-lives of 2.20 ± 0.07 and 5.04 ± 0.09 h have been measured for 138 Pr m and 138 Nd, respectively. Decay schemes for 138 Pr m  →  138 Ce and for the decay chain 138 Nd →  138 Pr g  →  138 Ce are proposed.
ISSN:0008-4042
1480-3291
DOI:10.1139/v70-360