Actions for Measurement of the nitrogen total cross section from 0. 5 eV to 50 MeV, and analysis of the 433-keV resonance [electronic resource].

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Measurement of the nitrogen total cross section from 0. 5 eV to 50 MeV, and analysis of the 433-keV resonance [electronic resource].

Published
Washington, D.C. : United States. Dept. of Defense, 1991.
Oak Ridge, Tenn. : Distributed by the Office of Scientific and Technical Information, U.S. Dept. of Energy.
Physical Description
Pages: (4 pages) : digital, PDF file
Additional Creators
Oak Ridge National Laboratory, United States. Department of Defense, United States. Department of Energy, and United States. Department of Energy. Office of Scientific and Technical Information
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Summary
High-resolution neutron transmission measurements have been made on several thicknesses of nitrogen gas samples from 0.5 eV to 50 MeV at the Oak Ridge Electron Linear Accelerator (ORELA). A preliminary R-matrix analysis has been done for resonances up to 800 keV. An R-matrix analysis of previous data was done by LANL and ENDF/B-VI, including the lowest energy resonance in ¹⁴N at 433 keV. They found a spin of 3/2 (with ℓ = 1) and a peak cross section of 7.0 b. Analysis of the present data yield a spin of 7/2 (requiring ℓ ≥ 2) and a peak cross section of 11.5 b for this resonance. These results are important for transport calculations of neutrons through air. Scattering measurements are planned to determine the parity of this resonance. 6 refs., 2 figs.
Report Numbers
E 1.99:conf-910503-9
conf-910503-9
Subject(s)
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Note
Published through SciTech Connect.
01/01/1991.
"conf-910503-9"
"DE91012222"
International conference on nuclear data for science and technology, Juelich (Germany, F.R.), 13-17 May 1991.
Larson, N.M.; Harvey, J.A.; Larson, D.C.; Hill, N.W.
Funding Information
AC05-84OR21400
View MARC record | catkey: 14671309