Lifetime measurements on fission fragments in the A ∼ 100 region
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A. Görgen
- Function : Author
T. W. Hagen
- Function : Author
T. Braunroth
- Function : Author
O. Delaune
- Function : Author
- PersonId : 173549
- IdHAL : olivier-delaune
- ORCID : 0000-0002-1087-2342
- IdRef : 169211002
S. Ertürk
- Function : Author
F. Fanny Farget
- Function : Author
- PersonId : 15177
- IdHAL : fanny-farget
- ORCID : 0000-0003-1866-3673
- IdRef : 181061171
A. Gottardo
- Function : Author
M. Hackstein
- Function : Author
J. Litzinger
- Function : Author
J. Ljungvall
- Function : Author
- PersonId : 737836
- IdHAL : joa-ljungvall
- ORCID : 0000-0003-1938-1889
- IdRef : 234661593
C. Michelagnoli
- Function : Author
D.R. Napoli
- Function : Author
N. Pillet
- Function : Author
A. Pipidis
- Function : Author
F. Recchia
- Function : Author
W. Rother
- Function : Author
E. Sahin
- Function : Author
S. Siem
- Function : Author
J.J. Valiente-Dobon
- Function : Author
K.O. Zell
- Function : Author
Abstract
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 -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.