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Emission of hydrogen and helium nuclei from Au, Ag and Cu irradiated by 500MeV bremsstrahlung

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Zeitschrift für Physik A Atoms and Nuclei

Abstract

The energy and angular distributions ofp, d, t,3He and4He from the three targets Cu, Ag and Au were measured at five different angles for bremsstrahlung with peak energy 500MeV. The measurements were made using a telescope consisting of four surface-barrier detectors. The experimental data are compared with cascade-evaporation calculations. For the4He-distributions the calculations were extended to include the contribution from knock-out of surface alphas by the cascade nucleons. The comparison shows that the main contribution comes from evaporation but that there is a direct component of the order of 10%.

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Authors and Affiliations

  1. Department of Nuclear Physics, Lund Institute of Technology, Lund, Sweden

    J. -O. Adler, G. Andersson, H. -Å. Gustafsson & K. Hansen

  2. Department of Physics, University of Lund, Lund, Sweden

    J. -O. Adler, G. Andersson, H. -Å. Gustafsson & K. Hansen

Authors
  1. J. -O. Adler
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  2. G. Andersson
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  3. H. -Å. Gustafsson
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  4. K. Hansen
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Additional information

The authors wish to thank professor B. Forkman for his considerable interest in this work. We also thank the synchrotron staff for making beam facilities available. The work has been supported by the Swedish Atomic Research Council.

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Adler, J.O., Andersson, G., Gustafsson, H.Å. et al. Emission of hydrogen and helium nuclei from Au, Ag and Cu irradiated by 500MeV bremsstrahlung. Z Physik A 295, 65–72 (1980). https://doi.org/10.1007/BF01414299

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  • DOI: https://doi.org/10.1007/BF01414299

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