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UNIVERSITY OF BUCHAREST
FACULTY OF PHYSICS Guest
2024-11-22 2:02 |
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Conference: Bucharest University Faculty of Physics 2001 Meeting
Section: Nuclear and Elementary Particles Physics
Title:
Improved Los Alamos model applied to the neutron induced fission
of 237Np
Authors:
G.Vladuca, Anabella Tudora, Dan Filipescu
Affiliation:
Faculty of Physics, University of Bucharest
E-mail
Keywords:
Abstract:
The Los Alamos model, with multiple fission chances was upgraded to include
the liniar relation between the average prompt gamma ray energy and the average
prompt neutron multiplicity. The average fission fragment kinetic energy dependence
on the incident neutron energy is also taken into account. Using this model for the
n+237Np reaction, the prompt fission neutron spectra, the average pronpt neutron
multiplicity and the average prompt gamma ray energy are obtained in very good
agreement with the experimental data, proving the better predictive power of the
improved Los Alamos model. The calculations were performed with the computer
code system SPECTRUM which handles the complete set of output data (concerning
the prompt fission quantities) with a powerful graphical interface, allowing a
comparison with reference and experimental data.
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