The interaction of fast neutrons with beryllium

Journal Article · Fri Sep 01 00:00:00 EDT 1989 · Nuclear Science and Engineering; (USA)

OSTI ID:7038243

Sugimoto, M; Guenther, P T; Lynn, J E; Smith, A B; Whalen, J F ^[1]

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1. Argonne National Lab., IL (USA). Engineering Div. (USA)

Neutron total cross sections of elemental beryllium are measured from 1 to 10 MeV with good precision. Differential neutron elastic scattering cross sections are measured from 4.5 to MeV at intervals of {approx}0.5 MeV and at {approx}100 angular steps distributed between {approx}18 and 160 deg at each incident energy. Concurrently, differential cross sections for the emission of a discrete inelastic neutron group corresponding to an excited level at (2.43 {plus minus} 0.06) MeV are determined over the same incident energy and angular range. Angle-integrated elastic scattering cross sections are deduced from the observed differential values to accuracies of {approx}2l5%, and angle-integrated inelastic scattering cross sections to accuracies of {approx}10%. The experimental results are compared with values given in ENDF/B-V, with attention to descrepancies and implications. Qualitative reaction mechanisms are suggested.

• DOE Contract Number: W-31109-ENG-38
• OSTI ID: 7038243
• Journal Information: Nuclear Science and Engineering; (USA), Journal Name: Nuclear Science and Engineering; (USA) Vol. 103:1; ISSN 0029-5639; ISSN NSENA
• Country of Publication: United States
• Language: English

Related Subjects

22 GENERAL STUDIES OF NUCLEAR REACTORS
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220900* -- Nuclear Reactor Technology-- Reactor Safety
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640304 -- Atomic
Molecular & Chemical Physics-- Collision Phenomena
74 ATOMIC AND MOLECULAR PHYSICS
ALKALINE EARTH METALS
ANGULAR DISTRIBUTION
BARYON REACTIONS
BARYONS
BERYLLIUM
COMPARATIVE EVALUATIONS
CROSS SECTIONS
DATA
DIFFERENTIAL CROSS SECTIONS
DISTRIBUTION
ELASTIC SCATTERING
ELEMENTARY PARTICLES
ELEMENTS
EXPERIMENTAL DATA
FAST NEUTRONS
FERMIONS
HADRON REACTIONS
HADRONS
INELASTIC SCATTERING
INFORMATION
INTERACTIONS
METALS
NEUTRON REACTIONS
NEUTRONS
NUCLEAR REACTIONS
NUCLEON REACTIONS
NUCLEONS
NUMERICAL DATA
REACTOR SAFETY EXPERIMENTS
SCATTERING
THEORETICAL DATA
TOTAL CROSS SECTIONS