Microscopic approach of fission dynamics applied to fragment kinetic energy and mass distributions in U238

H. Goutte, J. F. Berger, P. Casoli, and D. Gogny
Phys. Rev. C 71, 024316 – Published 28 February 2005

Abstract

The collective dynamics of low-energy fission in U238 is described within a time-dependent formalism based on the Gaussian overlap approximation of the time-dependent generator coordinate method. The intrinsic deformed configurations of the nucleus are determined from the self-consistent Hartree-Fock-Bogoliubov procedure employing the effective force D1S with constraints on the quadrupole and octupole moments. Fragment kinetic energy and mass distributions are calculated and compared with experimental evaluations. The effect of the collective dynamics along the fission paths and the influence of initial conditions on these distributions are analyzed and discussed.

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  • Received 22 July 2004

DOI:https://doi.org/10.1103/PhysRevC.71.024316

©2005 American Physical Society

Authors & Affiliations

H. Goutte*, J. F. Berger, P. Casoli, and D. Gogny

  • CEA/DAM Ile de France DPTA/Service de Physique Nucléaire, BP 12, F-91680 Bruyères-le-Châtel, France

  • *E-mail address: heloise.goutte@cea.fr
  • Present address: L-414 Lawrence Livermore National Laboratory, Livermore, California 94551.

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Issue

Vol. 71, Iss. 2 — February 2005

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