Azimuthal correlations of pions in relativistic heavy-ion collisions at 1 GeV/nucleon.
作者： S. A. Bass , C. Hartnack , H. Stöcker , W. Greiner
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摘要: Triple differential cross sections of pions in heavy ion collisions at 1 GeV/nucleon are studied with the isospin quantum molecular dynamics (IQMD) model. After discussing general properties \ensuremath{\Delta} resonance and pion production we focus on azimuthal correlations: At projectile- target-rapidities observe an anticorrelation in-plane transverse momentum between protons. c.m.-rapidity, however, find that high ${\mathit{p}}_{\mathit{t}}$ being preferentially emitted perpendicular to event plane. We investigate causes those correlations their sensitivity density dependence real imaginary part nucleon optical potential.
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