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Residual nuclei after antiproton annihilation in Mo and Ho

  • Hadron Physics
  • Published:
Zeitschrift für Physik A Atomic Nuclei

Abstract

The distributions of residual nuclei after annihilation of stopped antiprotons in92Mo,95Mo,98Mo and165Ho targets have been measured by means of the induced radioactivity. In the case of the165Ho target the residual nucleus116Te was observed thus indicating that about 50 nucleons may be emitted after annihilation. The distributions have also been calculated with two versions of an intranuclear cascade model. The agreement between theory and experiment is satisfactory. The effects of heavy mesons in the annihilation process, of local reduction of the nuclear density during the intranuclear cascade and of multifragmentation are discussed.

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Authors and Affiliations

  1. Physik-Department, Technische Universität München, Garching, Federal Republic of Germany

    E. F. Moser, H. Daniel, T. von Egidy, F. J. Hartmann, W. Kanert & G. Schmidt

  2. Institute for Nuclear Research, Academy of Sciences of the USSR, Moscow, USSR

    Ye. S. Golubeva & A. S. Iljinov

  3. Physics Department, University of Mississippi, University, MS, USA

    M. Nicholas & J. J. Reidy

Authors
  1. E. F. Moser
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  2. H. Daniel
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  3. T. von Egidy
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  4. F. J. Hartmann
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  5. W. Kanert
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  6. G. Schmidt
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  7. Ye. S. Golubeva
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  8. A. S. Iljinov
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  9. M. Nicholas
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  10. J. J. Reidy
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Additional information

We are indebted to G. Fricke and L. Schellenberg for providing Mo targets. We wish to thank B. Jonson for supporting the activation measurements at CERN, A.S. Botvina for assistance in calculations, H. Angerer, F. Fridgen, H. Hagn and P. Stoeckel for technical assistance and R.A. Naumann for reading the manuscript. We appreciated the hospitality of CERN and the cooperation of the LEAR staff. This experiment was supported by the German Bundesministerium für Forschung und Technologie, Bonn, and by the US National Science Foundation (NSF PHY 86-11358).

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Moser, E.F., Daniel, H., von Egidy, T. et al. Residual nuclei after antiproton annihilation in Mo and Ho. Z. Physik A - Atomic Nuclei 333, 89–105 (1989). https://doi.org/10.1007/BF01290114

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  • DOI: https://doi.org/10.1007/BF01290114

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