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Measurement of the Angular Distributions of Fission Fragments from the Neutron-Induced Fission of 240Pu Nuclei in the Energy Range of 1–200 MeV and Their Model Analysis

  • Fields, Particles, and Nuclei
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Abstract

The measured angular distributions of fission fragments of 240Pu nuclei have been presented and theoretically analyzed. Measurements at energies above 10 MeV have been performed for the first time. A model description of the energy dependence of the angular anisotropy of fission fragments in the entire studied range of neutron energies has been proposed.

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Acknowledgments

We are grateful to E.M. Ivanov and the staff of the Accelerator Department, Petersburg Nuclear Physics Institute, for their permanent friendly assistance and smooth operation of the synchrocyclotron during the experiment and to T.E. Kuz’mina (Khlopin Radium Institute, St. Petersburg, Russia) for cooperation in the preparation of high-quality actinide targets.

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Authors and Affiliations

  1. Petersburg Nuclear Physics Institute, National Research Center Kurchatov Institute, Gatchina, 188300, Russia

    A. S. Vorobyev, A. M. Gagarski, O. A. Shcherbakov & L. A. Vaishnene

  2. National Research Center Kurchatov Institute, Moscow, 123182, Russia

    A. L. Barabanov

Authors
  1. A. S. Vorobyev
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  2. A. M. Gagarski
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  3. O. A. Shcherbakov
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  4. L. A. Vaishnene
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  5. A. L. Barabanov
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Corresponding author

Correspondence to A. S. Vorobyev.

Additional information

Russian Text © The Author(s), 2020, published in Pis’ma v Zhurnal Eksperimental’noi i Teoreticheskoi Fiziki, 2020, Vol. 112, No. 6, pp. 343–351.

Funding

This work was supported in part by the Russian Foundation for Basic Research (project no. 18-02-00571).

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Vorobyev, A.S., Gagarski, A.M., Shcherbakov, O.A. et al. Measurement of the Angular Distributions of Fission Fragments from the Neutron-Induced Fission of 240Pu Nuclei in the Energy Range of 1–200 MeV and Their Model Analysis. Jetp Lett. 112, 323–331 (2020). https://doi.org/10.1134/S0021364020180125

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  • DOI: https://doi.org/10.1134/S0021364020180125

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