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Description of isotopic fission-fragment distributions within the Langevin approach

K. Mazurek, C. Schmitt, and P. N. Nadtochy
Phys. Rev. C 91, 041603(R) – Published 30 April 2015

Abstract

Dynamical calculations based on the four-dimensional stochastic Langevin approach are extended to the description of fragment isotopic distributions in fission at moderate-to-high excitation energy. Benefiting from previous theoretical work on charge-asymmetry relaxation times, and existing experimental charge-dispersion curves from low-energy fission, charge fluctuations are introduced at the scission point in an effective way. Comparison with recent suited measurements shows a good description over the full fragment production. The development proposed in this work can easily be implemented in other codes used in the field.

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  • Received 18 February 2015
  • Revised 9 April 2015

DOI:https://doi.org/10.1103/PhysRevC.91.041603

©2015 American Physical Society

Authors & Affiliations

K. Mazurek1, C. Schmitt2,*, and P. N. Nadtochy3

  • 1The Niewodniczański Institute of Nuclear Physics - PAN, 31-342 Kraków, Poland
  • 2Grand Accélérateur National d'Ions Lourds (GANIL), CEA/DSM-CNRS/IN2P3, 14076 Caen, France
  • 3Physics department, Omsk State University, 644077 Omsk, Russia

  • *schmitt@ganil.fr

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Issue

Vol. 91, Iss. 4 — April 2015

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