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Updated: Aug 23, 2026

Measuring the Time-Evolution of Nanoscale Materials with Stopped-Flow and Small-Angle Neutron Scattering
Published on: August 6, 2021
Nuclear stopping from 0.09A to 1.93A GeV and its correlation to flow
W Reisdorf1, A Andronic, A Gobbi
1Gesellschaft für Schwerionenforschung, Darmstadt, Germany.
Abstract:
We present a complete systematics (excitation functions and system-size dependences) of global stopping and side flow for heavy ion reactions in the energy range between 0.09A and 1.93A GeV. For the heaviest system, Au+Au, we observe a plateau of maximal stopping extending from about 0.2A to 0.8A GeV with a fast drop on both sides. The degree of stopping, which is shown to remain significantly below the expectations of a full stopping scenario, is found to be highly correlated to the amount of side flow.
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