Article,

Lifetime measurements in 182Pt using γ–γ fast-timing

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The European Physical Journal A, 57 (5): 174 (May 29, 2021)
DOI: 10.1140/epja/s10050-021-00492-x

Abstract

The level lifetimes of the 2+1 and 4+1 states in 182Pt have been re-measured employing the γ–γ fast-timing technique using fast LaBr3(Ce) scintillators. Excited states in the nucleus of interest were populated by the fusion-evaporation reaction 170Yb(16O,4n)182Pt at a beam energy of 87 MeV provided by the FN Tandem accelerator of the University of Cologne. The lifetime of the 2+1 state was re-measured with high accuracy to be τ=563(12) ps and resolves inconsistencies from previous measurements. Experimental results are compared to theoretical calculations in the framework of the sd-IBM with and without configuration mixing.

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