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Study of Mass-Asymmetric Fission of 180,190Hg Formed in the 36Ar + 144,154Sm Reactions

Bulletin of the Russian Academy of Sciences: Physics volume 84, pages 1001–1006 (2020)Cite this article

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t—The mass–energy distributions of fission fragments of excited 180,190Hg nuclei formed in 36Ar + 144,154Sm reactions are measured at incident 36Ar energies of 158, 181, and 222 MeV using the double-arm time-of-flight spectrometer CORSET. The asymmetric fission of 180,190Hg with the most probable masses of light and heavy fragments of 79 and 101 amu, and 84 and 106 amu, respectively, is observed in mass distributions of 180,190Hg at energies of excitation of up to 75 MeV. Two components manifesting the symmetric and asymmetric fission modes are observed in the kinetic energy distributions.

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Funding

This work was supported by a joint grant program of the Indian Department of Science and Technology and the Russian Foundation for Basic Research, project no. 19-52-45023, as well as the Russian Science Foundation, project no. 19-42-02014.

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Authors and Affiliations

  1. Flerov Laboratory of Nuclear Reactions, Joint Institute for Nuclear Research, 141980, Dubna, Moscow oblast, Russia

    D. Kumar, E. M. Kozulin, M. Cheralu, G. N. Knyazheva, I. M. Itkis, M. G. Itkis, K. V. Novikov, A. A. Bogachev, N. I. Kozulina, I. N. Diatlov, I. V. Pchelintsev, I. V. Vorobiev, T. Banerjee, Y. S. Mukhamejanov, A. N. Pan & V. V. Saiko

  2. Al-Farabi Kazakh National University, 050040, Almaty, Kazakhstan

    Y. S. Mukhamejanov & A. N. Pan

  3. Institute of Nuclear Physics, 050032, Almaty, Kazakhstan

    A. N. Pan

  4. Department of Physics, Indian Institute of Technology—Ropar, 140001, Punjab, India

    P. P. Singh & R. N. Sahoo

  5. Department of Physics, University of York, YO10 5DD, York, United Kingdom

    A. N. Andreyev

  6. Horia Hulubei National Institute for Physics and Nuclear Engineering, 077125, Magurele, Bucharest, Romania

    D. M. Filipescu

  7. Department of Physics, Indian Institute of Technology Roorkee, 247667, Roorkee, India

    M. Maiti, R. Prajapat & R. Kumar

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  1. D. Kumar
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  2. E. M. Kozulin
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  3. M. Cheralu
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  4. G. N. Knyazheva
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  5. I. M. Itkis
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  6. M. G. Itkis
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  7. K. V. Novikov
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  8. A. A. Bogachev
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  9. N. I. Kozulina
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  10. I. N. Diatlov
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  11. I. V. Pchelintsev
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  12. I. V. Vorobiev
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  14. Y. S. Mukhamejanov
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  15. A. N. Pan
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  16. V. V. Saiko
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  17. P. P. Singh
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  18. R. N. Sahoo
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  19. A. N. Andreyev
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  20. D. M. Filipescu
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  21. M. Maiti
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  22. R. Prajapat
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  23. R. Kumar
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Corresponding author

Correspondence to D. Kumar.

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Translated by A. Ivanov

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Kumar, D., Kozulin, E.M., Cheralu, M. et al. Study of Mass-Asymmetric Fission of 180,190Hg Formed in the 36Ar + 144,154Sm Reactions. Bull. Russ. Acad. Sci. Phys. 84, 1001–1006 (2020). https://doi.org/10.3103/S1062873820080213

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  • DOI: https://doi.org/10.3103/S1062873820080213