Collective Flow Observed in Relativistic Nuclear Collisions
H.-Å. GustafssonUniversity of California, BerkeleyH.H. GutbrodGesellschaft fur Schwerionenforschung, Darmstadt, West Germany, and Nuclear Science Division, Lawrence Berkeley Laboratory, University of California, Berkeley, California 94720B. W. KolbUniversity of California, BerkeleyH. LöhnerUniversity of California, BerkeleyBernhard LudewigtUniversity of California, BerkeleyA. M. PoskanzerUniversity of California, BerkeleyTanya RennerGesellschaft fur Schwerionenforschung, Darmstadt, West Germany, and Nuclear Science Division, Lawrence Berkeley Laboratory, University of California, Berkeley, California 94720H. RiedeselUniversity of California, BerkeleyH. G. RitterUniversity of California, BerkeleyA. WarwickUniversity of California, BerkeleyF. WeikGesellschaft fur Schwerionenforschung, Darmstadt, West Germany, and Nuclear Science Division, Lawrence Berkeley Laboratory, University of California, Berkeley, California 94720H. WiemanUniversity of California, Berkeley
1984en
ABI
Annotatsiya
The reactions Ca + Ca and Nb + Nb at 400 MeV/nucleon have been studied at the Bevalac using the "Plastic Ball" spectrometer. A global analysis of the events shows two nontrivial collective flow effects: the bounceoff of the projectile fragments, and the side-splash of the intermediate-rapidity fragments for the higher-multiplicity Nb + Nb events. Neither effect is seen in a knockon cascade calculation. A simulation with an event-generating statistical model has been done in order to extract the magnitudes of the effects.
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