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Communication dans un congrès Année : 2024

Prompt-fission observable and fission yield calculations for actinides by TALYS

Kazuki Fujio
  • Fonction : Auteur
Ali Al-Adili
  • Fonction : Auteur
Fredrik Nordström
  • Fonction : Auteur
Shin Okumura
  • Fonction : Auteur
Satoshi Chiba
  • Fonction : Auteur
Arjan Koning
  • Fonction : Auteur

Résumé

The nuclear reaction code TALYS adopts the Hauser-Feshbach statistical decay theory, to de-excite fission fragments. This involves for instance the evaporation of prompt fission neutrons and γ-rays. TALYS incorporates databases of primary fission fragment distribution which consists of primary fission fragment yield and data for excitation energy distribution of fission fragments. We conducted a sensitivity study on three parameters in TALYS and fitted them in order to reproduce experimental and evaluated data, in thermal neutron-induced fission of 235U. Moreover, we demonstrate a large-scale calculation of average prompt neutron and γ-ray multiplicities for 243 selected actinide isotopes.
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Dates et versions

hal-04563858, version 1 (30-04-2024)

Identifiants

Citer

Kazuki Fujio, Ali Al-Adili, Fredrik Nordström, Jean-François Lemaître, Shin Okumura, et al.. Prompt-fission observable and fission yield calculations for actinides by TALYS. 16th Varenna Conference on Nuclear Reaction Mechanisms, Jun 2023, Varenna, Italy. pp.08004, ⟨10.1051/epjconf/202429208004⟩. ⟨hal-04563858⟩

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Dernière date de mise à jour le 26/06/2024
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