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Neutron elastic scattering cross sections for /sup 16/O between 9 and 15 MeV

Journal Article · · Nucl. Sci. Eng.; (United States)
OSTI ID:5826534
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Differential cross sections are reported for elastic scattering of neutrons from /sup 16/O. Source neutrons were provided by the D(d,n)/sup 3/ He reaction with average neutron energies of 9.21, 9.71, 10.21, 10.70, 10.95, 11.15, 11.95, 12.45, 12.94, 13.94, and 14.93 MeV. Time-of-flight spectra were obtained for neutrons scattered by a BeO sample at 28 angles from 25 to 160 deg in 5-deg increments. Flight paths of 4 and 6 m were used. Spectra obtained with a separate beryllium sample were subtracted to remove the beryllium scattering contribution. The angular distribution data were corrected for finite source and finite sample-size effects. Legendre polynomial coefficients and total elastic scattering cross sections are reported for oxygen. The data are not well reproduced by the spherical optical model because of the many resonances in the total neutron cross section. Inclusion of resonances together with an optical model background improves the fits to the angular distribution and total cross-section data.
Research Organization:
General Electric Company, Wilmington, North Carolina 28401
OSTI ID:
5826534
Journal Information:
Nucl. Sci. Eng.; (United States), Journal Name: Nucl. Sci. Eng.; (United States) Vol. 82:4; ISSN NSENA
Country of Publication:
United States
Language:
English

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Related Subjects

651325* -- Nuclear Properties & Reactions
A=6-19
Experimental-- Nuclear Reactions & Scattering-- (-1987)
73 NUCLEAR PHYSICS AND RADIATION PHYSICS
ALKALINE EARTH METAL COMPOUNDS
ANGULAR DISTRIBUTION
BARYON REACTIONS
BERYLLIUM COMPOUNDS
BERYLLIUM OXIDES
CHALCOGENIDES
CROSS SECTIONS
DIFFERENTIAL CROSS SECTIONS
DISTRIBUTION
ELASTIC SCATTERING
ENERGY RANGE
FUNCTIONS
HADRON REACTIONS
LEGENDRE POLYNOMIALS
MEV RANGE
MEV RANGE 10-100
NEUTRON REACTIONS
NEUTRON SOURCES
NUCLEAR REACTIONS
NUCLEON REACTIONS
OPTICAL MODELS
OXIDES
OXYGEN 16 TARGET
OXYGEN COMPOUNDS
PARTICLE SOURCES
POLYNOMIALS
RADIATION SOURCES
SAMPLING
SCATTERING
TARGETS
TIME-OF-FLIGHT METHOD