| Issue |
Europhys. Lett.
Volume 57, Number 3, February 2002
|
|
|---|---|---|
| Page(s) | 355 - 361 | |
| Section | Nuclear physics | |
| DOI | https://doi.org/10.1209/epl/i2002-00467-y | |
| Published online | 01 September 2002 | |
Nuclear dissipation from fission time
GANIL DSM/CEA, IN2P3/CNRS - BP 55027, 14076 Caen Cedex 5,
France
Received:
15
March
2001
Accepted:
30
October
2001
Fission times, pre-scission neutron multiplicities and GDR
pre-scission γ-ray multiplicities measured for uranium or
thorium nuclei formed with temperatures 
have been
compared with calculations performed with CDSM2, a two-dimensional
dynamical model combined with a statistical one. Among the three
experimental approaches considered, fission times give access to the
most precise pieces of information on nuclear dissipation at high
excitation energy. A dissipation weaker than the classical one-body
dissipation has to be considered to reach an agreement between all the
data and the model.
PACS: 24.75.+i – General properties of fission / 24.60.-k – Nuclear reactions: Statistical theory and fluctuations
© EDP Sciences, 2002
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