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High-energy Neutron-induced Fission Cross Sections of Natural Lead and Bismuth-209

descriptionPublicationkeyboard_double_arrow_right Article , Journal 12 Aug 2011 Italy, Austria, Austria, Spain, Germany, France, Spain, France, France, Spain, Switzerland, France, Spain Publisher:Korean Physical SocietyJournal:Journal of the Korean Physical Society, volume 59, pages 1,904-1,907 (issn: 0374-4884,

Authors: Tarrno D.; Tassan Got L.; Audouin L.; Berthier B.; Ferrant L.; Isaev S.; Naour C. Le; +123 Authors

doi: 10.3938/jkps.59.1904

handle: 11585/140002 , 2117/13241

High-energy Neutron-induced Fission Cross Sections of Natural Lead and Bismuth-209

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Abstract

The CERN Neutron Time-Of-Flight (n TOF) facility is well suited to measure small neutron- induced ssion cross sections, as those of subactinides. The cross section ratios of natPb and 209Bi relative to 235U and 238U were measured using PPAC detectors. The fragment coincidence method allows to unambiguously identify the ssion events. The present experiment provides the rst results for neutron-induced ssion up to 1 GeV for natPb and 209Bi. A good agreement with previous experimental data below 200 MeV is shown. The comparison with proton-induced ssion indicates that the limiting regime where neutron-induced and proton-induced ssion reach equal cross section is close to 1 GeV.

Countries

Italy, Austria, Austria, Spain, Germany, France, Spain, France, France, Spain, Switzerland, France, Spain

Related Organizations

Alma Mater Studiorum University of Bologna
Italy
French Institute for Research in Computer Science and Automation
France
University of Basel
Switzerland
University of Vienna
Austria
CEA LETI
France

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Keywords

Pb-nat(n, 103014 Kernphysik, [PHYS.NEXP] Physics [physics]/Nuclear Experiment [nucl-ex], Nuclear data, f), :Energies::Energia nuclear::Reactors nuclears de fissió [Àrees temàtiques de la UPC], [PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex], 530, 103005 Atomphysik, Nuclear reactors, Reactors nuclears, PPAC fission detector; EMERGING NUCLEAR TECHNOLOGIES; TIME-OF-FLIGHT, [ PHYS.NEXP ] Physics [physics]/Nuclear Experiment [nucl-ex], info:eu-repo/classification/ddc/530, Neutron-induced ssion reactions, :Energies::Energia nuclear [Àrees temàtiques de la UPC], Physics, 103005 Atomic physics, ddc:530, [PHYS.NEXP] Physics/Nuclear Experiment, Nuclear energy, Àrees temàtiques de la UPC::Energies::Energia nuclear, Bi-209(n, n TOF facility, Àrees temàtiques de la UPC::Energies::Energia nuclear::Reactors nuclears de fissió, Spallation neutron source, Energia nuclear, 103014 Nuclear physics

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