Abstract
Neutron-induced fission cross sections for natPb and Bi209 were measured with a white-spectrum neutron source at the CERN Neutron Time-of-Flight (n-TOF) facility. The experiment, using neutrons from threshold up to 1 GeV, provides the first results for these nuclei above 200 MeV. The cross sections were measured relative to U235 and U238 in a dedicated fission chamber with parallel plate avalanche counter detectors. Results are compared with previous experimental data. Upgraded parametrizations of the cross sections are presented, from threshold energy up to 1 GeV. The proposed new sets of fitting parameters improve former results along the whole energy range.
| Original language | English |
|---|---|
| Article number | 044620 |
| Journal | Physical Review C - Nuclear Physics |
| Volume | 83 |
| Issue number | 4 |
| DOIs | |
| State | Published - Apr 28 2011 |
| Externally published | Yes |
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