Neutron inelastic-scattering cross sections of /sup 232/Th, /sup 233/U, /sup 235/U, /sup 238/U, /sup 239/Pu and /sup 240/Pu. [LMFBR]
Differential-neutron-emission cross sections of /sup 232/Th, /sup 233/U, /sup 235/U, /sup 238/U, /sup 239/Pu and /sup 240/Pu are measured between approx. = 1.0 and 3.5 MeV with the angle and magnitude detail needed to provide angle-integrated emission cross sections to approx. < 3% accuracies. Emitted-neutron resolutions are quantitatively defined and vary from approx. = 0.1 to 0.35 MeV. The experimental results are corrected for fisson-neutron contributions to obtain pseudo-elastic-neutron-scattering cross sections which, together with the neutron total cross sections, define the non-elastic cross sections to within well specified energy resolutions. These results imply inelastic-neutron-scattering cross sections which are compared with comparable quantities derived from ENDF/B-V. Good general agreement is noted for /sup 232/Th, /sup 233/U, /sup 235/U and /sup 238/U inelastic-scattering values, poor agreement is observed for /sup 240/Pu, and a serious discrepancy exists in the case of /sup 239/Pu.
- Research Organization:
- Argonne National Lab. (ANL), Argonne, IL (United States)
- DOE Contract Number:
- W-31-109-ENG-38
- OSTI ID:
- 5486737
- Report Number(s):
- ANL/NDM-63; ON: DE82009366; TRN: 82-011561
- Country of Publication:
- United States
- Language:
- English
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The fission cross sections of /sup 230/Th, /sup 232/Th, /sup 233/U, /sup 234/U, /sup 236/U, /sup 238/U, /sup 237/Np, /sup 239/Pu and /sup 242/Pu relative /sup 235/U at 14. 74 MeV neutron energy
FISSION CROSS-SECTIONS OF U$sup 238$, U$sup 235$, Pu$sup 233$, Pu$sup 239$# AND Th$sup 232$ FOR 14 Mev NEUTRONS
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22 GENERAL STUDIES OF NUCLEAR REACTORS
FERTILE MATERIALS
CROSS SECTIONS
FISSILE MATERIALS
LMFBR TYPE REACTORS
PLUTONIUM 239
PLUTONIUM 240
THORIUM 232
URANIUM 233
URANIUM 235
URANIUM 238
INELASTIC SCATTERING
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ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
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EVEN-ODD NUCLEI
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FBR TYPE REACTORS
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ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LIQUID METAL COOLED REACTORS
MATERIALS
MINUTES LIVING RADIOISOTOPES
NUCLEI
PLUTONIUM ISOTOPES
RADIOISOTOPES
REACTORS
SCATTERING
THORIUM ISOTOPES
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220100 - Nuclear Reactor Technology- Theory & Calculation