Neutron inelastic scattering cross sections in the energy range 2 to 4.5 MeV. Measurements and calculations
Fast-neutron inelastic scattering cross sections were measured for the elements Al, Ti, V, Mn, Fe, Ni, Nb, Pb, Pb/sub r/, and Bi by the time-of-flight technique. The measurements were made in the tering angle of 125 deg . Furthermore, angular distributions were measured for all elements, except V, at a neutron energy of 3.02 MeV. The inelastic cross sections were determined relative to the well known n-- p cross sections by measuring the neutron scattering from hydrogen in the form of a polythene sample. The measured cross sections were corrected for the effects of the anisotropic intensity distribution of the neutron source, attenuation of the neutron flux in the sample, and multiple scattering of the neutrons, by using Monte Carlo techniques. The experimental results of the present work, together with those reported by other experimenters, were compared with the excitation functions calculated on the basis of the Hauser- Feshbach formalism and corrected for the effects of the level width fluctuations and resonance interference. For the elements Al, V, Fe, and Nb comparisons were also made between the excitation functions reported in this work and those compiled in the Evaluated Nuclear Data File (ENDF/B). (22 figures, 14 tables) (auth)
- Research Organization:
- Aktiebolaget Atomenergi, Studsvik (Sweden)
- Sponsoring Organization:
- Sponsor not identified
- NSA Number:
- NSA-29-019666
- OSTI ID:
- 4937627
- Report Number(s):
- AE--481
- Country of Publication:
- Sweden
- Language:
- English
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ANGULAR DISTRIBUTION
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EXCITATION FUNCTIONS
FAST NEUTRONS
HAUSER-FESHBACH THEORY
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MANGANESE 55
MEV RANGE 01-10
N68451 -- Physics (Nuclear
Experimental)--Nuclear Properties & Reactions
20 <= A <= 38-- Nuclear Reactions & Scattering
N68551* --Physics (Nuclear
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39 <= A <= 58--Nuclear Reactions & Scattering
N68651 --Physics (Nuclear
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N68751 --Physics (Nuclear
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N68951 --Physics (Nuclear
Experimental)--Nuclear Properties & Reactions
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NEUTRON REACTIONS
NICKEL
NIOBIUM 93
OPTICAL MODELS
TIME-OF-FLIGHT METHOD
TITANIUM
VANADIUM