Open AccessThe effect of the new nucleon-nucleus elastic scattering data in LAHET{trademark} Version 2.8 on neutron displacement cross section calculations
Author(s) -
E.J. Pitcher,
P.D. Ferguson,
G.J. Russell,
R.E. Prael,
D.G. Madland,
J.D. Court,
L. L. Daemen,
M. S. Wechsler
Publication year - 1997
Publication title -
osti oai (u.s. department of energy office of scientific and technical information)
Language(s) - English
Resource type - Reports
DOI - 10.2172/532530
Subject(s) - elastic scattering , physics , scattering , nuclear physics , neutron , cross section (physics) , neutron scattering , displacement (psychology) , atomic physics , proton , monte carlo method , nuclear cross section , optics , psychology , statistics , mathematics , quantum mechanics , psychotherapist
The latest release of the medium-energy Monte Carlo transport code LAHET includes a new nucleon-nucleus elastic scattering treatment based on a global medium-energy phenomenological optical-model potential. Implementation of this new model in LAHET allows nuclear elastic scattering for neutrons with energies greater than 15 MeV and for protons with energies greater than 50 MeV. Previous investigations on the impact of the new elastic scattering data revealed that the addition of the proton elastic scattering channel can lead to a significant increase in the calculated damage energy under certain conditions. The authors report here results on the impact of the new elastic scattering data on calculated displacement cross sections in various elements for neutrons with energies in the range 16 to 3,160 MeV. Calculated displacement cross sections at 20 MeV in low-mass materials are in better agreement with SPECTER-calculated cross sections
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