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Simultaneous Determination of Neutron-Induced Fission and Radiative Capture Cross Sections from Decay Probabilities Obtained with a Surrogate Reaction.
Pérez Sánchez, R; Jurado, B; Méot, V; Roig, O; Dupuis, M; Bouland, O; Denis-Petit, D; Marini, P; Mathieu, L; Tsekhanovich, I; Aïche, M; Audouin, L; Cannes, C; Czajkowski, S; Delpech, S; Görgen, A; Guttormsen, M; Henriques, A; Kessedjian, G; Nishio, K; Ramos, D; Siem, S; Zeiser, F.
Afiliação
  • Pérez Sánchez R; CENBG, CNRS/IN2P3-Université de Bordeaux, Chemin du Solarium, B.P. 120, F-33175 Gradignan, France.
  • Jurado B; CEA, DAM, DIF, F-91297 Arpajon, France.
  • Méot V; CENBG, CNRS/IN2P3-Université de Bordeaux, Chemin du Solarium, B.P. 120, F-33175 Gradignan, France.
  • Roig O; CEA, DAM, DIF, F-91297 Arpajon, France.
  • Dupuis M; Université Paris-Saclay, CEA, Laboratoire Matière sous Conditions Extrêmes, 91680 Bruyères-Le-Châtel, France.
  • Bouland O; CEA, DAM, DIF, F-91297 Arpajon, France.
  • Denis-Petit D; Université Paris-Saclay, CEA, Laboratoire Matière sous Conditions Extrêmes, 91680 Bruyères-Le-Châtel, France.
  • Marini P; CEA, DAM, DIF, F-91297 Arpajon, France.
  • Mathieu L; Université Paris-Saclay, CEA, Laboratoire Matière sous Conditions Extrêmes, 91680 Bruyères-Le-Châtel, France.
  • Tsekhanovich I; CEA-Cadarache, DEN/DER/SPRC/LEPh, F-13108 Saint Paul lez Durance, France.
  • Aïche M; CENBG, CNRS/IN2P3-Université de Bordeaux, Chemin du Solarium, B.P. 120, F-33175 Gradignan, France.
  • Audouin L; CEA, DAM, DIF, F-91297 Arpajon, France.
  • Cannes C; CEA, DAM, DIF, F-91297 Arpajon, France.
  • Czajkowski S; CENBG, CNRS/IN2P3-Université de Bordeaux, Chemin du Solarium, B.P. 120, F-33175 Gradignan, France.
  • Delpech S; CENBG, CNRS/IN2P3-Université de Bordeaux, Chemin du Solarium, B.P. 120, F-33175 Gradignan, France.
  • Görgen A; CENBG, CNRS/IN2P3-Université de Bordeaux, Chemin du Solarium, B.P. 120, F-33175 Gradignan, France.
  • Guttormsen M; Université Paris-Saclay, CNRS/IN2P3, IJC Lab, 91405 Orsay, France.
  • Henriques A; Université Paris-Saclay, CNRS/IN2P3, IJC Lab, 91405 Orsay, France.
  • Kessedjian G; CENBG, CNRS/IN2P3-Université de Bordeaux, Chemin du Solarium, B.P. 120, F-33175 Gradignan, France.
  • Nishio K; Université Paris-Saclay, CNRS/IN2P3, IJC Lab, 91405 Orsay, France.
  • Ramos D; Department of Physics, University of Oslo, 0316 Oslo, Norway.
  • Siem S; Department of Physics, University of Oslo, 0316 Oslo, Norway.
  • Zeiser F; CENBG, CNRS/IN2P3-Université de Bordeaux, Chemin du Solarium, B.P. 120, F-33175 Gradignan, France.
Phys Rev Lett ; 125(12): 122502, 2020 Sep 18.
Article em En | MEDLINE | ID: mdl-33016727
Reliable neutron-induced-reaction cross sections of unstable nuclei are essential for nuclear astrophysics and applications but their direct measurement is often impossible. The surrogate-reaction method is one of the most promising alternatives to access these cross sections. In this work, we successfully applied the surrogate-reaction method to infer for the first time both the neutron-induced fission and radiative capture cross sections of ^{239}Pu in a consistent manner from a single measurement. This was achieved by combining simultaneously measured fission and γ-emission probabilities for the ^{240}Pu(^{4}He,^{4}He^{'}) surrogate reaction with a calculation of the angular-momentum and parity distributions populated in this reaction. While other experiments measure the probabilities for some selected γ-ray transitions, we measure the γ-emission probability. This enlarges the applicability of the surrogate-reaction method.

Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2020 Tipo de documento: Article

Texto completo: 1 Base de dados: MEDLINE Idioma: En Ano de publicação: 2020 Tipo de documento: Article