EPJ Web of Conferences
Volume 69, 2014CNR*13 - Fourth International Workshop on Compound Nuclear Reactions and Related Topics
|Number of page(s)||8|
|Published online||01 April 2014|
Photon and proton induced fission on heavy nuclei at intermediate energies
1 Instituto de Fisica, Universidade de São Paulo, P. O. Box 66318, 05389-970 São Paulo, SP, Brazil
2 Yerevan State University, Alex Manoogian 1, Yerevan 0025, Armenia
3 Yerevan Physics Institute, Alikhanyan Brothers ,Yerevan 0036, Armenia Joint Institute for Nuclear Research (JINR), Flerov Laboratory of Nuclear Reactions (LNR), Joliot-Curie 6, Dubna 141980, Moscow, Russia
Published online: 1 April 2014
We present an analysis of fission induced by intermediate energy protons or photons on actinides. The 660 MeV proton induced reactions are on 241Am, 238U, and 237Np targets and the Bremmstrahlung-photons with end-point energies at 50 MeV and 3500 MeV are on 232Th and 238U targets. The study was performed by means of the Monte Carlo simulation code CRISP. A multimodal fission extension was added to the code within an approach which accounts for the contribution of symmetric and asymmetric fission. This procedure allowed the investigation of fission cross sections, fissility, number of evaporated nucleons and fission-fragment charge distributions. The comparison with experimental data show a good agreement between calculations and experiments.
© Owned by the authors, published by EDP Sciences, 2014
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