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Revista mexicana de física
versión impresa ISSN 0035-001X
Resumen
MONTOYA, M.; SAETTONE, E. y ROJAS, J.. Monte Carlo simulation for fragment mass and kinetic energy distributions from the neutron-induced fission of 235U. Rev. mex. fis. [online]. 2007, vol.53, n.5, pp.366-370. ISSN 0035-001X.
The mass and kinetic energy distribution of nuclear fragments from the thermal neutron-induced fission of 235U have been studied using a Monte Carlo simulation. Besides reproducing the pronounced broadening on the standard deviation of the final fragment kinetic energy distribution (σe ) around the mass number = 109, our simulation also produces a second broadening around = 125 that is in agreement with the experimental data obtained by Belhafaf et al. These results are a consequence of the characteristics of the neutron emission, the variation in the primary fragment mean kinetic energy, and the yield as a function of the mass.
Palabras llave : Monte Carlo; neutron induced fission; 235U; standard deviation.