Excitation functions and isotopic effects in (n,p) reactions for stable iron isotopes from reaction threshold to 20 MeV
The excitation functions for (n,p) reactions from reaction threshold to 20 MeV on four stable Iron isotopes viz; 54Fe,56Fe,57Fe and 58Fe were calculated using Talys-1.2 nuclear model code, this essentially involves fitting a set of global parameters. An excellent agreement between the calculated and...
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Zusammenfassung: | The excitation functions for (n,p) reactions from reaction threshold to 20
MeV on four stable Iron isotopes viz; 54Fe,56Fe,57Fe and 58Fe were calculated
using Talys-1.2 nuclear model code, this essentially involves fitting a set of
global parameters. An excellent agreement between the calculated and
experimental data is obtained with minimal effort on parameter fitting and only
one free parameter called 'Shell damping factor' has been adjusted. This is
very importance to the validation of nuclear model approaches with increased
predictive power. The systematic decrease in (n, p) cross-sections with
increasing neutron number in reactions induced by neutrons on isotopes of iron
is explained in terms of the pre-equilibrium model. The compound nucleus and
pre-equilibrium reaction mechanism as well as the isotopic effects were also
studied extensively. |
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DOI: | 10.48550/arxiv.1108.2661 |