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Ref: RINP_2018_1117_R1
Pique aquí para ver el artículo «in press» Title: Influence of neutron emission on mass, charge and kinetic energy distribution of final fragments from thermal-neutron-induced fission of 233U
Journal: Results in Physics

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Editor in Chief
Results in Physics

Influence of neutron emission on the charge distribution of final fragments from thermal-neutron-induced fission of ²³³U

1. Montoya and A. Rivera

Universidad Nacional de Ingeniería, Av. Túpac Amaru 210, Rímac, Lima, Perú
e-mail: mmontoya@uni.edu.pe; ariverac@uni.pe

Abstract

We use a Monte Carlo simulation method to calculate the effect of neutron emission on the distribution of mass, charge and kinetic energy of final fragments (after they emit neutrons) from the thermal-neutron induced fission of ²³³U. For the simulation input data we assume i) the distribution of mass, kinetic energy, neutron number of primary fragments previously used to reproduce the corresponding experimental distribution of final fragments ii) a yield of charge (for a given mass) independent of kinetic energy and equal to the corresponding to the highest kinetic energy window (cold fission, where there is no neutron emission) measured in 1988 by U. Quade et al. From the output data of simulation we obtain a yield of charge as a function of kinetic energy of final fragment which approximately reproduce the trends of experimental data obtained by those authors at different kinetic energies.

Keywords: low energy fission, mass, charge, kinetic energy, fragments, Coulomb effect.

PACS: 24.75.+I; 25.85.-w; 25.85.Ec