Lifetime determination in 190,192,194,196Hg via γ -γ fast-timing spectroscopy
Abstract
Lifetimes of 21+ and 41+ states in 190,192,194,196Hg and of some negative parity band members were measured using the γ -γ fast-timing technique with a high-purity germanium and LaBr3(Ce) detector array. The excited states were populated via fusion-evaporation reactions using the Tandem Van de Graaff accelerator of the Institute of Nuclear Physics in Cologne, Germany. The derived reduced transition probabilities of the 21+→01+ and 41+→21+ transitions are discussed in the framework of the interacting boson approximation with two models using configuration mixing: a phenomenological one and a microscopical one. Both models describe the observed quantities of the nuclei within the experimental uncertainties.
- Publication:
-
Physical Review C
- Pub Date:
- July 2018
- DOI:
- 10.1103/PhysRevC.98.014313
- Bibcode:
- 2018PhRvC..98a4313E