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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Article dans une revue
Physical Review C, American Physical Society, 2015, 91, pp.041603(R). 〈10.1103/PhysRevC.91.041603〉
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Contributeur : Michel Lion <>
Soumis le : lundi 4 mai 2015 - 10:26:10
Dernière modification le : jeudi 1 février 2018 - 01:27:06

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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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