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Description of isotopic fission-fragment distributions within the Langevin approach

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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http://hal.in2p3.fr/in2p3-01148098
Contributor : Michel Lion <>
Submitted on : Monday, May 4, 2015 - 10:26:10 AM
Last modification on : Thursday, February 1, 2018 - 1:27:06 AM

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K. Mazurek, C. Schmitt, P. N. Nadtochy. Description of isotopic fission-fragment distributions within the Langevin approach. Physical Review C, American Physical Society, 2015, 91, pp.041603(R). ⟨10.1103/PhysRevC.91.041603⟩. ⟨in2p3-01148098⟩

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