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Pre- and post- scission particle emission in 3D Langevin calculations with various macroscopic potentials

Abstract : The fission dynamics described by solving differential equations of the Langevin type in three dimensional space of the deformation parameters is very sensitive on the choice of the macroscopic components such as potential energy models. The mass or charge distribution or total kinetic energy has been already shown to be different when one uses the Finite Range Liquid Drop Model or Lublin - Strasbourg Drop model. Also the shape-dependent congruence or shape-dependentWigner energy and A0 terms are important especially for the fission of medium mass nuclei. We would like to make step forward and answer the question about the varying of the post-scission multiplicity by including different PES. Up to now there are only few experimental data for the medium mass nuclei where the pre- and post- scission emission has been estimated and isotopic distributions have been shown. The isotopic distributions of the fission products for light compound nucleus such as 111 In with two beam energies (Ebeam = 10.6AMeV and 5.9 AMeV) and two heavy systems: 229Np with Ebeam = 7.4AMeV and 260 No (Ebeam = 6AMeV and 7.5 AMeV) have been studied theoretically. The agreement with the experimental data is discussed.
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http://hal.in2p3.fr/in2p3-00919118
Contributor : Michel Lion <>
Submitted on : Monday, December 16, 2013 - 1:09:25 PM
Last modification on : Tuesday, January 22, 2019 - 11:28:04 AM

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K. Mazurek, P.N. Nadtochy, C. Schmitt, P. Wasiak, M. Kmiecik, et al.. Pre- and post- scission particle emission in 3D Langevin calculations with various macroscopic potentials. Fifth International Workshop on Nuclear Fission and Fission-Product Spectroscopy, May 2013, Caen, France. pp.02002, ⟨10.1051/epjconf/20136202002⟩. ⟨in2p3-00919118⟩

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