Phenomenological relativistic quantum mechanics of the NNπ system

Phys. Rev. C 21, 2505 – Published 1 June 1980
M. Betz and F. Coester


The theoretical basis is given for a class of mathematically well defined NNπ models. They are designed to describe nucleon-nucleon scattering, pion-nucleon scattering, pion-deuteron scattering, pion production, and absorption. The elementary degrees of freedom of the models are the nucleon, the Δ isobar, and the pion. The models are relativistic and do not require renormalization.

NUCLEAR SCATTERING Relativistic models, N-N scattering, π-N scattering, π-d scattering.


  • Received 7 December 1979
  • Published in the issue dated June 1980

© 1980 The American Physical Society

Authors & Affiliations

M. Betz and F. Coester

  • Argonne National Laboratory, Argonne, Illinois 60439

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