EPJ Web of Conferences
Volume 66, 2014INPC 2013 – International Nuclear Physics Conference
|Number of page(s)||4|
|Published online||20 March 2014|
Low-lying bands with different quadrupole deformation in 155Dy
1 Institut für Kernphysik der Universität zu Köln, 50937 Köln, 50937 Köln, Germany
2 Bulgarian Academy of Sciences, Institute for Nuclear Research and Nuclear Energy, 1784 Sofia, Bulgaria
3 Institut für Kernphysik, Technische Universität Darmstadt D-64289 Darmstadt, Germany
4 Dipartimento di Fisica and INFN Sezioni di Padova, Padova, Italy
5 INFN, Laboratori Nazionali di Legnaro, I-35020 Legnaro, Italy
6 TANDEM Accelerator Laboratory, Institute of Nuclear Physics NCSR “Demokritos”, Athens, Greece
7 Horia Hulubei National Institute of Physics and Nuclear Engineering, RO-077125 Bucharest-Magurele, Romania
8 Wright Nuclear Structure Laboratory, Yale University, New Haven, Connecticut, USA
9 Department of Physics, University of Notre Dame, Notre Dame, Indiana 46556-5670, USA
Published online: 20 March 2014
To investigate the interplay between collective and single particle degrees of freedom in odd nuclei, Recoil distance Doppler-shift and Doppler-shift attenuation lifetime measurements were carried out for levels in 155Dy in coincidence detection of gamma-rays. 26 lifetimes were determined using the Differential decay curve method. Particle plus triaxial rotor model (PTRM) calculations were performed to compare the experimental level scheme and transition strengths with theoretical ones in order to get information on the quadrupole deformation (є,γ) of the bands. As a result, different quadrupole deformations for the one-quasineutron bands at low and medium spins are deduced.
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