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Advances in Modelling of Fast Neutrons Induced Fission of 232Th

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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

Nuclear data obtained in the neutron induced fission of 232Th nucleus are of great importance for advanced fast reactors based on Th fuel cycle. Fission cross sections, mass and charge distributions, prompt emission in fission including neutron multiplicities, yields and cross-sections of some isotopes of interest for applications, isomer ratios were obtained. This paper presents the theoretical predictions and the first results on 232Th(n,f) by applying Talys and the author’s computer code for modeling of nuclear reaction mechanisms and the fission process. Theoretical evaluations of fission observables and produced isotopes are compared with existing experimental data and with similar data for neutrons induced fission of 233U nucleus. The present researches on 232Th(n,f) reaction are realized in the frame of nuclear data program running at Joint Institute for Nuclear Research (Dubna) basic facilities, IREN, and MT-25 Microtron.

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Funding

The present work was realized with the financial and logistical support of the Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research (Dubna) and the Annual Cooperation Program between the Joint Institute for Nuclear Research (Dubna) and Romanian Research Institutes for 2020 and 2021.

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Authors and Affiliations

  1. Joint Institute for Nuclear Research, 141980, Dubna, Moscow oblast, Russia

    C. Oprea & A. I. Oprea

  2. Romanian National Agency for Scientific Research, 010362, Bucharest, Romania

    C. Oprea & A. Mihul

  3. European Organization for Nuclear Research (CERN), 1211, Geneva, Switzerland

    A. Mihul

Authors
  1. C. Oprea
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  2. A. Mihul
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  3. A. I. Oprea
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Correspondence to C. Oprea.

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The authors declare that they have no conflicts of interest.

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Oprea, C., Mihul, A. & Oprea, A.I. Advances in Modelling of Fast Neutrons Induced Fission of 232Th. Bull. Russ. Acad. Sci. Phys. 86, 1418–1425 (2022). https://doi.org/10.3103/S106287382211020X

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  • DOI: https://doi.org/10.3103/S106287382211020X

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