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Title:
Advanced Modeling of Prompt Fission Neutrons and Gamma Rays
Authors:
Talou, P.; Kawano, T.
Affiliation:
AA(Nuclear Physics Group, Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA) AB(Nuclear Physics Group, Theoretical Division, Los Alamos National Laboratory, Los Alamos, NM 87545, USA)
Publication:
CNR*09 - Second International Workshop on Compound Nuclear Reactions and Related Topics, Bordeaux, France, Edited by L. Bonneau; N. Dubray; F. Gunsing; B. Jurado; EPJ Web of Conferences, Volume 2, id.08005
Publication Date:
03/2010
Origin:
EDP Sciences
DOI:
10.1051/epjconf/20100208005
Bibliographic Code:
2010EPJWC...208005T

Abstract

Prompt fission neutrons and gamma rays are computed using a Monte Carlo treatment of the statistical evaporation of the excited primary fission fragments. The assumption of two fragments in thermal equilibrium at the time of neutron emission is addressed by studying the neutron multiplicity as a function of fragment mass. Results for the neutron-induced fission of 235U are discussed, for incident neutron energies from 0.5 to 5.5 MeV. Recent experimental data on the fission fragment yields as a function of mass and total kinetic energy are used as input data.
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Database: Astronomy
Physics
arXiv e-prints