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The transitional cerium isotopes /sup 142,144/Ce

The levels populated in /sup 142,144/Ce and the gamma -ray transitions between these levels have been studied by the gamma gamma -directional correlation method following the beta -decay of /sup 142,144/La. Coincidences are measured at six angles by Ge(Li) detectors operating in the by-event mode. C...

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Detalles Bibliográficos
Autores principales: Michelakakis, E, Hamilton, W D, Hungerford, P, Jung, G, Pfeiffer, B, Scott, S
Lenguaje:eng
Publicado: CERN 1981
Materias:
Acceso en línea:https://dx.doi.org/10.5170/CERN-1981-009.581
http://cds.cern.ch/record/878200
Descripción
Sumario:The levels populated in /sup 142,144/Ce and the gamma -ray transitions between these levels have been studied by the gamma gamma -directional correlation method following the beta -decay of /sup 142,144/La. Coincidences are measured at six angles by Ge(Li) detectors operating in the by-event mode. Coincidence data are analysed for selected gates and formed the basis for constructing extensive decay schemes. The directional correlation results enabled spin assignments to be made to most levels and the multipole mixing ratios of many transitions are determined. (10 refs).