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Total-neutron cross sections of heavy nuclei. [30 to 4800 keV]

Conference ·
OSTI ID:5787112
; ;

Total-neutron cross sections of the heavy and actinide nuclei /sup 181/Ta, /sup 197/Au, /sup 232/Th, /sup 233/U, /sup 235/U, /sup 238/U, /sup 239/Pu, and /sup 240/Pu were measured from 30 keV to 4.8 MeV. The experimental procedures emphasized a high consistency of the measured data. Systematic uncertainties, excluding those associated with sample masses, were less than or equal to 0.5% and statistical uncertainties were typically less than or equal to 1.0%. At low energies attention was given to resonance self-shielding effects. The experimental results are in good agreement with /sup 232/Th, /sup 233/U, and /sup 238/U data previously reported from this laboratory and at higher energies with the comparable values reported by Foster and Glasgow, excepting /sup 240/Pu which was not studied in the latter work. The measured total-cross-sections were interpreted in terms of a spherical optical model and a deformed coupled-channels model. 31 references.

Research Organization:
Argonne National Lab., IL (USA)
Sponsoring Organization:
USDOE
DOE Contract Number:
W-31109-ENG-38
OSTI ID:
5787112
Report Number(s):
CONF-791058--61
Country of Publication:
United States
Language:
English

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73 NUCLEAR PHYSICS AND RADIATION PHYSICS
BARYON REACTIONS
CROSS SECTIONS
DATA
DATA FORMS
ENERGY RANGE
EXPERIMENTAL DATA
GOLD 197 TARGET
GRAPHS
HADRON REACTIONS
INFORMATION
KEV RANGE
KEV RANGE 10-100
KEV RANGE 100-1000
MEV RANGE
MEV RANGE 01-10
NEUTRON REACTIONS
NUCLEAR REACTIONS
NUCLEON REACTIONS
NUMERICAL DATA
PLUTONIUM 239 TARGET
PLUTONIUM 240 TARGET
RESONANCE
SELF-SHIELDING
TANTALUM 181 TARGET
TARGETS
THORIUM 232 TARGET
TOTAL CROSS SECTIONS
URANIUM 233 TARGET
URANIUM 235 TARGET