Nuclear structure of (231)Ac

Nuclear structure of (231)Ac

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Nuclear structure of (231)Ac

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Boutami, R.; García Raffi, Luis M.; Martínez Pérez, Trinitario; Rubio Barroso, Berta; Taín Enríquez, José Luis
Aquest document és un/a article, creat/da en: 2008
The low-energy structure of 231Ac has been investigated by means of gamma ray spectroscopy following the beta-decay of 231Ra. Multipolarities of 28 transitions have been established by measuring conversion electrons with a mini-orange electron spectrometer. The decay scheme of 231Ra --> 231Ac has been constructed for the first time. The Advanced Time Delayed beta-gamma-gamma(t) method has been used to measure the half-lives of five levels. The moderately fast B(E1) transition rates derived suggest that the octupole effects, albeit weak, are still present in this exotic nucleus.

    Boutami, R. García Raffi, Luis M. Martínez Pérez, Trinitario Rubio Barroso, Berta Taín Enríquez, José Luis 2008 Nuclear structure of (231)Ac Nuclear Physics A 811 3-4 244 275
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