Abstract
Directed and elliptic flow for the 197Au+197Au system at incident energies between 40 and 150 MeV per nucleon has been measured using the INDRA 4π multi-detector. For semi-central collisions, the excitation function of elliptic flow shows a transition from in-plane to out-of-plane emission at around 100 MeV per nucleon. The directed flow changes sign at a bombarding energy between 50 and 60 MeV per nucleon and remains negative at lower energies. Molecular dynamics calculations (CHIMERA) indicate sensitivity of the global squeeze-out transition on the σ NN and demonstrate the importance of angular momentum conservation in transport codes at low energies.
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Łukasik, J., Auger, G., Begemann-Blaich, M.L. et al. Directed and elliptic flow in 197Au+197Au at intermediate energies. Acta Phys. Hung. A 25, 229–239 (2006). https://doi.org/10.1556/APH.25.2006.2-4.11
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DOI: https://doi.org/10.1556/APH.25.2006.2-4.11