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Double-differential beryllium neutron cross sections at incident neutron energies of 5. 9, 10. 1, and 14. 2 MeV

Journal Article · · Nucl. Sci. Eng.; (United States)
OSTI ID:5273014
Beryllium neutron-production cross sections were measured using the time-of-flight technique at incident neutron energies of 5.9, 10.1, and 14.2 MeV, and at laboratory angles of 25, 27.5, 30, 35, 45, 60, 80, 100, 110, 125, and 145 deg. The differential elastic and inelastic cross sections are presented. Inelastic reactions are defined here as those reactions that proceed through the states at 1.69-, 2.43-, 2.8-, and 3.06-MeV excitation energy in /sup 9/Be. Comparison of these emission energy spectra with calculations using the ENDF/B-IV beryllium cross sections shows that the ENDF/B cross sections strongly overemphasize the low-lying states in /sup 9/Be.
Research Organization:
Los Alamos Scientific Lab., NM
OSTI ID:
5273014
Journal Information:
Nucl. Sci. Eng.; (United States), Journal Name: Nucl. Sci. Eng.; (United States) Vol. 63:4; ISSN NSENA
Country of Publication:
United States
Language:
English