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Langevin description of the charge distribution of fragments originating from the fission of excited nuclei

  • Nuclei
  • Theory
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Abstract

The charge distribution of fragments originatingfrom the fission of the 236U compound nucleus is calculated within a stochastic approach based on Langevin equations. The elongation coordinate, the neck-thickness coordinate, and the charge-asymmetry coordinate are chosen as collective variables. The friction parameter of the charge mode is calculated on the basis of two nuclear-viscosity mechanisms, that of one-body and that of two-body dissipation. It is shown that the Langevin approach is applicable to studying isobaric distributions. In addition, the charge distribution in question is studied as a function of the excitation energy of the compound nucleus and as a function of the coefficient of two-body viscosity.

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Translated from Yadernaya Fizika, Vol. 65, No. 9, 2002, pp. 1637–1649.

Original Russian Text Copyright © 2002 by Karpov, Adeev.

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Karpov, A.V., Adeev, G.D. Langevin description of the charge distribution of fragments originating from the fission of excited nuclei. Phys. Atom. Nuclei 65, 1596–1608 (2002). https://doi.org/10.1134/1.1508691

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