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Fragmentation of relativistic nuclei in peripheral interactions in nuclear track emulsion

  • Elementary Particles and Fields
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Abstract

The technique of nuclear track emulsions is used to explore the fragmentation of light relativistic nuclei down to the most peripheral interactions: nuclear “white” stars. A complete pattern of the relativistic dissociation of a 8B nucleus with target fragment accompaniment is presented. Relativistic dissociation 9Be → 2α is explored using significant statistics, and a relative contribution of 8Be decays from 0+ and 2+ states is established. Target fragment accompaniments are shown for relativistic fragmentation 14N → 3He +H and 22Ne → 5He. The leading role of the electromagnetic dissociation on heavy nuclei with respect to breakups on target protons is demonstrated in all these cases. It is possible to conclude that the peripheral dissociation of relativistic nuclei in nuclear track emulsion is a unique tool to study many-body systems composed of the lightest nuclei and nucleons in the energy scale relevant for nuclear astrophysics.

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Authors and Affiliations

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

    D. A. Artemenkov, V. Bradnova, N. A. Kachalova, A. D. Kovalenko, A. I. Malakhov, P. A. Rukoyatkin, V. V. Rusakova, T. V. Shchedrina, S. Vokál, A. Vokálová, P. I. Zarubin & I. G. Zarubina

  2. Lebedev Institute of Physics, Russian Academy of Sciences, Moscow, Russia

    M. M. Chernyavsky, L. A. Goncharova, S. P. Kharlamov, G. I. Orlova, N. G. Peresadko & N. G. Polukhina

  3. Institute of Space Sciences, Magurele, Romania

    M. Haiduc

  4. Institute of Physics, Erevan, Armenia

    A. A. Moiseenko & V. R. Sarkisyan

  5. Institute of Nuclear Research and NuclearEnergy, Bulgarian Academy of Sciences, Sofia, Bulgaria

    R. Stanoeva

  6. University of P. J. Safarik, Kosice, Slovakia

    S. Vokál

Authors
  1. D. A. Artemenkov
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  2. V. Bradnova
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  3. M. M. Chernyavsky
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  4. L. A. Goncharova
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  5. M. Haiduc
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  6. N. A. Kachalova
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  7. S. P. Kharlamov
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  8. A. D. Kovalenko
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  9. A. I. Malakhov
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  10. A. A. Moiseenko
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  11. G. I. Orlova
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  12. N. G. Peresadko
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  13. N. G. Polukhina
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  14. P. A. Rukoyatkin
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  15. V. V. Rusakova
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  16. V. R. Sarkisyan
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  17. R. Stanoeva
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  18. T. V. Shchedrina
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  19. S. Vokál
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  20. A. Vokálová
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  21. P. I. Zarubin
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  22. I. G. Zarubina
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Corresponding author

Correspondence to D. A. Artemenkov.

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The text was submitted by the authors in English.

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Artemenkov, D.A., Bradnova, V., Chernyavsky, M.M. et al. Fragmentation of relativistic nuclei in peripheral interactions in nuclear track emulsion. Phys. Atom. Nuclei 71, 1565–1571 (2008). https://doi.org/10.1134/S1063778808090111

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  • DOI: https://doi.org/10.1134/S1063778808090111

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