TL;DR
This paper develops a microscopic theoretical framework for nuclear fission, specifically calculating fragment properties for neutron-induced fission of plutonium-239 using advanced quantum calculations and a new criterion for scission configurations.
Contribution
It introduces a novel quantitative criterion for defining scission configurations based on interaction energy, validated against experimental data.
Findings
Accurate predictions of fission fragment properties
Validation of the scission criterion with experimental data
Enhanced understanding of the fission process at the microscopic level
Abstract
Fission-fragment properties have been calculated for thermal neutron-induced fission on a target, using constrained Hartree-Fock-Bogoliubov calculations with a finite-range effective interaction. A quantitative criterion based on the interaction energy between the nascent fragments is introduced to define the scission configurations. The validity of this criterion is benchmarked against experimental measurements of the kinetic energies and of multiplicities of neutrons emitted by the fragments.
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