Microscopic Description of η-nuclear Systems

  • V. B. Belyaev
  • N. V. Shevchenko
  • S. A. Rakityansky
  • S. A. Sofianos
  • W. Sandhas
Part of the Few Body Systems book series (FEWBODY, volume 13)


The production of η mesons and their collisions with nuclei have been studied experimentally and theoretically with increasing interest during the last years. To a large extent this is motivated by the fundamental problem of chargesymmetry breaking of strong interaction [1]. Another relevant questions concerns the nature of S11(1535)-resonance [2] and the possible formation of η- nucleus quasi-bound states [3]. It is worth mentioning that according to [4] the mean free path of η mesons in a nuclear medium is about 2fm, i.e., less than the size of a typical nucleus. A necessary condition for the existence of η-nuclei, hence, appears to be satisfied.


Impulse Approximation Energy Shell Nuclear Wave Function Quasibound State Rescattering Effect 
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Copyright information

© Springer-Verlag 2001

Authors and Affiliations

  • V. B. Belyaev
    • 1
  • N. V. Shevchenko
    • 1
  • S. A. Rakityansky
    • 2
  • S. A. Sofianos
    • 2
  • W. Sandhas
    • 3
  1. 1.Joint Institute for Nuclear ResearchDubnaRussia
  2. 2.Physics Dept.University of South AfricaPretoriaSouth Africa
  3. 3.Physikalisches InstitutUniversität BonnBonnGermany

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