Threshold Resonant Structure of the 232Th Neutron-Induced Fission Cross Section
Nuclear Theory
2013-05-29 v1
Abstract
The structures observed in the sub-threshold neutron-induced fission of ^{232}Th were investigated employing a recent developed model. Theoretical single-particle excitations of a phenomenological two-humped barrier are determined by solving a system of coupled differential equations for the motion along the optimal fission path. A rather good agreement with experimental data was obtained using a small number of independent parameters. It is predicted that the structure at 1.4 and 1.6 MeV is mainly dominated by spin 3/2 partial cross-section with small admixture of spin 1/2, while the structure at 1.7 MeV is given by a large partial cross section of spin 5/2.
Keywords
Cite
@article{arxiv.0708.1094,
title = {Threshold Resonant Structure of the 232Th Neutron-Induced Fission Cross Section},
author = {M. Mirea and L. Tassan-Got and C. Stephan and C. O. Bacri and R. C. Bobulescu},
journal= {arXiv preprint arXiv:0708.1094},
year = {2013}
}
Comments
17 pages 11 figures