Fission Cross Section Measurements of Actinides at LANSCE

Conference · Mon Apr 26 00:00:00 EDT 2010

OSTI ID:1009549

Tovesson, Fredrik ^[1]; Laptev, Alexander B. ^[1]; Hill, Tony S. ^[2]

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1. Los Alamos National Laboratory (LANL), Los Alamos, NM (United States)
2. Idaho National Laboratory (INL), Idaho Falls, ID (United States)

Fission cross sections of a range of actinides have been measured at the Los Alamos Neutron Science Center (LANSCE) in support of nuclear energy applications. By combining measurement at two LANSCE facilities, Lujan Center and the Weapons Neutron Research center (WNR), differential cross sections can be measured from sub-thermal energies up to 200 MeV. Incident neutron energies are determined using the time-of-flight method, and parallel-plate ionization chambers are used to measure fission cross sections relative to the ²³⁵U standard. Recent measurements include the ^233,238U, ^239,242Pu and ²⁴³Am neutron-induced fission cross sections. In this paper preliminary results for cross section data of ²⁴³Am and ²³³U will be presented.

• Research Organization: Los Alamos National Laboratory (LANL), Los Alamos, NM (United States); Idaho National Laboratory (INL), Idaho Falls, ID (United States)
• Sponsoring Organization: USDOE National Nuclear Security Administration (NNSA), Nuclear Criticality Safety Program (NCSP)
• DOE Contract Number: AC52-06NA25396
• OSTI ID: 1009549
• Report Number(s): LA-UR-10-02644; LA-UR-10-2644; TRN: US1101530
• Resource Relation: Conference: Int. Conf. on Nuclear Data for Science and Technology , Jeiu Island (Korea), 26 Apr 2010
• Country of Publication: United States
• Language: English

Related Subjects

73 NUCLEAR PHYSICS AND RADIATION PHYSICS
07 ISOTOPE AND RADIATION SOURCES
ACTINIDES
CROSS SECTIONS
DIFFERENTIAL CROSS SECTIONS
FISSION
IONIZATION CHAMBERS
LOS ALAMOS
NEUTRONS
NUCLEAR ENERGY
TIME-OF-FLIGHT METHOD
WEAPONS
Nuclear Criticality Safety Program (NCSP)
Weapons Neutron Research center (WNR)
Preliminary Results
Fission
Cross Sections