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Features of the 9Be → 2He fragmentation in an emulsion for an energy of 1.2 GeV per nucleon

  • Elementary Particles and Fields
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Abstract

The results of investigation of the fragmentation of relativistic nuclei 9Be in an emulsion, which is accompanied by the formation of two 1.2-A-GeV He fragments, are presented. The angular measurements of the 9Be → 2He events are analyzed. The 9Be → 8Be + n fragmentation channel with the decay of 8Be from the ground (0+) and first excited (2+) states into a pair of α particles appears to be dominant.

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Authors and Affiliations

  1. Joint Institute for Nuclear Research, Dubna, Moscow oblast, 141 980, Russia

    D. A. Artemenkov, V. Bradnova, P. I. Zarubin, I. G. Zarubina, N. A. Kachalova, A. D. Kovalenko, A. I. Malakhov, P. A. Rukoyatkin, V. V. Rusakova, E. Stan, R. Stanoeva & T. V. Shchedrina

  2. Lebedev Institute of Physics, Russian Academy of Sciences, Leninskiĭ pr. 53, Moscow, 117924, Russia

    G. I. Orlova, S. P. Kharlamov & M. M. Chernyavsky

  3. Institute for Space Sciences, Ro-76900, Bucharest-Magurele, Romania

    E. Stan & M. Haiduc

  4. Institute for Nuclear Research and Nuclear Energy, Academy of Sciences of Bulgaria, Sophia, Bulgaria

    I. Tsakov

Authors
  1. D. A. Artemenkov
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  2. V. Bradnova
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  3. P. I. Zarubin
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  4. I. G. Zarubina
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  5. N. A. Kachalova
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  6. A. D. Kovalenko
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  7. A. I. Malakhov
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  8. G. I. Orlova
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  9. P. A. Rukoyatkin
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  10. V. V. Rusakova
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  11. E. Stan
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  12. R. Stanoeva
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  13. M. Haiduc
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  14. S. P. Kharlamov
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  15. I. Tsakov
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  16. M. M. Chernyavsky
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  17. T. V. Shchedrina
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Additional information

Original Russian Text © D.A. Artemenkov, V. Bradnova, P.I. Zarubin, I.G. Zarubina, N.A. Kachalova, A.D. Kovalenko, A.I. Malakhov, G.I. Orlova, P.A. Rukoyatkin, V.V. Rusakova, E. Stan, R. Stanoeva, M. Haiduc, S.P. Kharlamov, I. Tsakov, M.M. Chernyavsky, T.V. Shchedrina, 2007, published in Yadernaya Fizika, 2007, Vol. 70, No. 7, pp. 1261–1265.

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Artemenkov, D.A., Bradnova, V., Zarubin, P.I. et al. Features of the 9Be → 2He fragmentation in an emulsion for an energy of 1.2 GeV per nucleon. Phys. Atom. Nuclei 70, 1222–1225 (2007). https://doi.org/10.1134/S1063778807070125

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  • DOI: https://doi.org/10.1134/S1063778807070125

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