Published January 1, 2013
| Version v1
Conference paper
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Lifetime measurements on fission fragments in the A similar to 100 region
Creators
- 1. CEA Saclay, IRFU Serv Phys Nucl, F-91191 Gif Sur Yvette, France
- 2. Univ Oslo, Dept Phys, N-0316 Oslo, Norway
- 3. Univ Cologne, Inst Kernphys, D-50937 Cologne, Germany
- 4. GANIL, CEA DSM, CNRS IN2P3, F-14706 Caen, France
- 5. Nigde Univ, Fac Sci, Nigde, Turkey
- 6. Ist Nazl Fis Nucl, Lab Nazl Legnaro, I-35020 Legnaro, Italy
- 7. CEA, DAM, DIF, F-91297 Arpajon, France
Description
Lifetimes of first 4(+) and 6(+) states have been measured in neutron-rich isotopes of Zr, Mo, Ru and Pd using the recoil distance Doppler shift method at GANIL. The nuclei were produced through a fusion-fission reaction in inverse kinematics. The fission fragments were fully identified in the large-acceptance VAMOS spectrometer and gamma -rays were detected in coincidence with the EXOGAM germanium array. Lifetimes of excited states in the range of 1-100 ps were measured with the Cologne plunger. Preliminary lifetime results are presented as well as a discussion on the evolution of the collectivity in this region.
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