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Some Multiple Scattering Effects in Antinucleon Annihilation on Nuclei

  • A. V. Stepanov
  • V. P. Zavarzina
Conference paper
Part of the Few-Body Systems book series (FEWBODY, volume 9)

Abstract

Antiproton annihilation cross sections on nuclei from 20Ne to 208Pb are calculated in the framework of a microscopic optical model in the kinetic energy range E L = 50–2000 MeV both directly in the initial channel and after single quasi-free collision. The part of annihilation yield after one quasi-free nucleon knock-out from the nucleus is 20–25% of the conribution to the annihilation cross section in the initial channel. The sensitivity of this cross section to the parameters of antinucleon-nucleon scattering amplitude is investigated. Calculated ratios of volume to surface annihilation cross section are compared with experimental ones.

Keywords

Inelastic Scattering Optical Potential Annihilation Cross Section Eikonal Approximation Nuclear Surface 
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Copyright information

© Springer-Verlag 1995

Authors and Affiliations

  • A. V. Stepanov
    • 1
  • V. P. Zavarzina
    • 1
  1. 1.Institute for Nuclear ResearchRussian Academy of SciencesMoscowRussia

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