Influence of the pion-nucleon interaction on the collective pion flow in heavy ion reactions

Details Influence of the pion-nucleon interaction on the collective pion flow in heavy ion reactions Influence of the pion-nucleon interaction on the collective pion flow in heavy ion reactions

1996-06-07

arxiv.org/abs/nucl-th/9606013v1

J.Phys. G23 (1997) L1

Physics

Nuclear Physics

Nuclear Theory

12 pages Latex, 4 PS-figures

Scientific paper

10.1088/0954-3899/23/1/001

We investigate the influence of the real part of the in-medium pion optical potential on the pion dynamics in intermediate energy heavy ion reactions at 1 GeV/A. For different models, i.e. a phenomenological model and the $\Delta$--hole model, a pionic potential is extracted from the dispersion relation and used in Quantum Molecular Dynamics calculations. In addition with the inelastic scattering processes we thus take care of both, real and imaginary part of the pion optical potential. A strong influence of the real pionic potential on the pion in-plane flow is observed. In general such a potential has the tendency to reduce the anticorrelation of pion and nucleon flow in non-central collisions.

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