EPJ Web of Conferences
Volume 66, 2014INPC 2013 – International Nuclear Physics Conference
|Number of page(s)||4|
|Published online||20 March 2014|
Differential Cross Sections for Neutron Elastic and Inelastic Scattering on 23Na
1 Dept. of Physics, United States Naval Academy, Annapolis, MD 21402, USA
2 Dept. of Physics, University of Dallas, Irving, TX 75062, USA
3 Dept. of Chemistry, University of Kentucky, Lexington, KY 40506, USA
4 Dept. of Physics & Astronomy, University of Kentucky, Lexington, KY 40506, USA
5 Dept. of Physics & Nuclear Engineering, U.S. Military Academy, West Point, NY 10996, USA
a e-mail: email@example.com
Published online: 20 March 2014
Measurements of neutron elastic and inelastic scattering from 23Na have been performed for sixteen incident neutron energies above 1.5 MeV with the 7-MV University of Kentucky Accelerator using the 3H(p,n) reaction as the neutron source. These measurements were complemented by γ-ray excitation functions using the (n,n'γ) reaction. The time-of-flight technique is employed for background reduction in both neutron and γ- ray measurements and for determining the energy of the scattered neutrons. Cross section determinations support fuel cycle and structural materials research and development. Previous reaction model evaluations  relied primarily on total cross sections and four (n,n0) and (n,n1) angular distributions in the En = 5 to 9 MeV range. The inclusion of more inelastic channels at lower neutron energies provides additional information on direct couplings between elastic and inelastic scattering as a function of angular momentum transfer. Reaction model calculations examining direct collective and statistical properties were performed.
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