Published January 1, 2019
| Version v1
Journal article
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B(E2) anomalies in the yrast band of Os-170
Creators
- 1. Univ Paris Saclay, Univ Paris Sud, CNRS IN2P3, CSNSM, F-91405 Orsay, France
- 2. Univ Oslo, Dept Phys, N-0316 Oslo, Norway
- 3. Univ Paris Saclay, CEA, Irfu, F-91191 Gif Sur Yvette, France
- 4. Univ Paris Saclay, Inst Phys Nucl, Univ Paris Sud, CNRS IN2P3, F-91406 Orsay, France
Description
Background: The neutron-deficient osmium isotopic chain provides a great laboratory for the study of shape evolution, with the transition from the soft triaxial rotor in (OS)-O-168 to the well-deformed prolate rotor in Os-18(0), while shape coexistence appears around N = 96 in Os-172. Therefore, the study of the Os isotopic chain should provide a better understanding of shape changes in nuclei and a detailed scrutiny of nuclear structure calculations. In this paper, the lifetimes of the low-lying yrast states of Os-170 have been measured for the first time to investigate the shape evolution with neutron number.
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