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|Title:||Quasi-Absolute Neutron-Induced Fission Cross Section of 243Am|
|Authors:||AÏCHE M.; KESSEDJIAN G.; BARREAU G.; JURADO B.; BIDAUD A.; CZAJKOWSKI S.; DASSIÉ D.; HAAS B.; MATHIEU L.; TASSAN-GOT L.; WILSON J.; HAMBSCH Franz-Josef; OBERSTEDT Stephan; ALMAHAMID I.; FLOYD J.; LUKENS W.; SHUH D.|
|Citation:||Proceedings of the ND 2007 International Conference on Nuclear Data for Science and Technology vol. 1 p. 483-485|
|Type:||Contributions to Conferences|
|Abstract:||The existing evaluations of the 243Am neutron-induced fission cross section have been questioned by recent studies performed at the GNEISS facility. In the neutron energy range from 1 to 6 MeV the GNEISS data present deviations of more than 15% with respect to the evaluations. In order to solve this problem, we have performed a first quasi-absolute measurement of this fission cross section from the fission threshold up to the onset of secondchance fission. To achieve this goal we have used the neutron-proton scattering cross section as reference reaction to determine the incident neutron flux. This cross section is known with a precision better than 1% for a wide range of neutron energies (1meV to 20 MeV).|
|JRC Institute:||Institute for Reference Materials and Measurements|
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