Dissipation,mass exchange and the microscopic time scale of heavy-ion collisions |
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| Authors: | WU Schröder JR Huizenga JR Birkelund KL Wolf VE Viola |
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| Institution: | Argonne National Laboratory, Argonne, Illinois 60439, USA;Department of Chemistry, University of Maryland, College Park, Maryland 20742, USA |
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| Abstract: | The time scale provided by the nucleon exchange mechanism in heavy-ion reactions is employed to study kinetic energy damping. The experimental kinetic energy lost per nucleon exchanged in Kr- and Xe-induced reactions is observed to decrease linearly with the total kinetic energy loss. These results, which are consistent with energy dissipation and nucleon exchange occuring on a similar time scale, are compared with the predictions of a one-body dissipation mechanism and a diffusion model. |
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