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The photodisintegration of9Be

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Czechoslovak Journal of Physics B Aims and scope

Abstract

The absorption spectrum for dipole γ quanta with energies below 35 MeV is calculated using the many-particle nuclear-shell model. The cross-sections of the partial photonuclear reactions (γ, n), (γ, p), (γ, d) and (γ, α) and the photonucleon spectra are calculated. Spin-orbital interactions are neglected and it is assumed that the residual pairing interaction is well described by Serber forces. The supermultiplet structure of the considered spectrum of excited levels is thus preserved and the matrix of the Hamiltonian decomposes into a number of submatrices having considerably lower order, each of which can be diagonalized separately. This circumstance made it possible to consider states which are not directly excited in γ-quantum absorption, which however do considerably influence the structure of the absorption curve and especially the decay properties of the excited levels and the spectrum of emitted particles. The agreement with the experimental data is very satisfactory.

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Authors and Affiliations

  1. Nuclear Research Institute, Czechosl. Acad. Sci., ŘeŽ, Czechoslovakia

    L'. Majling

  2. Nuclear Research Institute, Moscow State University, Moscow, U.S.S.R.

    V. I. Kukulin & Yu. F. Smirnov

Authors
  1. L'. Majling
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  2. V. I. Kukulin
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  3. Yu. F. Smirnov
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Additional information

The authors are indebted to Professor B. G. Neudatchin for valuable discussions and Mrs. J. Marušiaková and Mrs. J. Frančiková for help in the preparation of the manuscript.

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Majling, L., Kukulin, V.I. & Smirnov, Y.F. The photodisintegration of9Be. Czech J Phys 18, 1560–1575 (1968). https://doi.org/10.1007/BF01690813

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  • DOI: https://doi.org/10.1007/BF01690813

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