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Photoproduction of π+ from9Be

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Zeitschrift für Physik A Atoms and Nuclei

Abstract

The reaction9Be(γ, π +)9Li has been studied with bremsstrahlung in the energy range 100–800 MeV employing the radioactivity method. The cross section curve deduced is compared with an impulse approximation calculation including a volume and a surface production model. In the energy region 200–300 MeV the experimental cross section, approximately 7 (μb, is best reproduced by the surface production model with a cut-off parameterr 0 equal to 2.8 fm, i.e. somewhat larger than the r.m.s. radius of9Be.

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Author information

Authors and Affiliations

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

    M. Nilsson, B. Schröder, B. Bülow, J. Grintals, G. G. Jonsson & B. Lindner

  2. The Institute of Mathematical Sciences, Matscience, Madras, India

    K. Srinivasa Rao & S. Susila (Teacher Fellow)

  3. University Grant Commission of India, India

    S. Susila (Teacher Fellow)

Authors
  1. M. Nilsson
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  2. B. Schröder
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  3. B. Bülow
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  4. J. Grintals
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  5. G. G. Jonsson
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  6. B. Lindner
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  7. K. Srinivasa Rao
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  8. S. Susila
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Additional information

We are indebted to Hans-Olof Zetterström and Gösta Engström at FOA for assistance with the Monte Carlo calculations. This work has been supported by the Swedish Natural Science Research Counsil. One of us (KSR) wishes to thank NORDITA for a fellowship, which enabled the author to get acquainted with the experimental group at the beginning of this experiment.

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Nilsson, M., Schröder, B., Bülow, B. et al. Photoproduction of π+ from9Be. Z Physik A 294, 253–256 (1980). https://doi.org/10.1007/BF01438162

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  • DOI: https://doi.org/10.1007/BF01438162

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