EPJ Web Conf.
Volume 194, 2018International Conference on Nuclear Structure and Related Topics (NSRT18)
|Number of page(s)||4|
|Published online||14 November 2018|
A study on the transition between seniority-type and collective excitations in 204Po and 206Po
Faculty of Physics, St. Kliment Ohridski University of Sofia, 1164 Sofia, Bulgaria
2 Institut für Kernphysik, Technische Universität Darmstadt, 64289 Darmstadt, Germany s
3 Institut für Kernphysik, Universität zu Köln, 50937 Köln, Germany
4 School of Engineering & Computing, University of the West of Scotland, Paisley PA1 2BE, United Kingdom
* e-mail: firstname.lastname@example.org
Published online: 14 November 2018
Low-lying yrast states in 204Po and 206Po have been investigated by the γ-γ fast timing technique with LaBr3(Ce) detectors. Excited states of these nuclei were populated in the 197Au(11B,4n) and the 198Pt(12C,4n) fusion-evaporation reactions, respectively, at the FN-Tandem Facility at the University of Cologne. The lifetimes of the 4+1 states in both nuclei were measured, along with an upper limit for the 2+1 state in 204Po. The preliminary results are discussed in the scope of the systematic behavior of the transition strengths between yrast states in polonium isotopes.
© The Authors, published by EDP Sciences, 2018
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