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Sub-nanosecond half-life measurement of the yrast I-pi=5(-) state in the N=78 nucleus Ce-136(58) using fast-timing coincident gamma-ray spectroscopy.

Alharbi, T*; Regan, P H; Marginean, N*; Podolyak, Z*; Bajoga, A*; Britton, R*; Bucurescu, D*; Deleanu, D*; Filipescu, D*; Ghita, D*; Glodariu, T*; Mihai, C*; Mulholland, K*; Marginean, R*; Negret, A*; Nita, C R*; Patel, Z*; Roberts, O J*; Stroe, L*; Sava, T*; Townsley, C*; Zamfir, N V* (2014) Sub-nanosecond half-life measurement of the yrast I-pi=5(-) state in the N=78 nucleus Ce-136(58) using fast-timing coincident gamma-ray spectroscopy. Nucl. Data Sheets, 120. pp. 59-61.

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Abstract

We report on the measurement of the half-life of the yrast I=5- state in the transitional nucleus 136Ce using a combined HPGe-LaBr3(Ce) scintillator gamma-ray detection array. The measured value for the E1 decay is approximately 2E-6 Wu. This value is in line with single-particle type E1 decays in this mass region and suggests no sign of additional K hindrance associated with axially symetric qadrupole deformations observed for lighter cerium isotopes.

Item Type: Article
Keywords: gamma ray spectroscopy, LaBr3 detectors, nuclear exciedt state lifetime measurements
Subjects: Ionising Radiation
Ionising Radiation > Radioactivity
Identification number/DOI: 10.1016/j.nds.2014.07.006
Last Modified: 02 Feb 2018 13:13
URI: http://eprintspublications.npl.co.uk/id/eprint/6309

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