Stopping power as a signature of dissipative processes in heavy-ion collisions

Besse, G. and De La Mota, V. and Eudes, P. (2016) Stopping power as a signature of dissipative processes in heavy-ion collisions. Il nuovo cimento C, 39 (6). pp. 1-4. ISSN 1826-9885

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In heavy-ions collisions different observables have been studied in order to get an insight about dissipative processes taking place in the excited nuclear system. Among them, we can focus on the ratio between the transverse and longitudinal kinetic energy components, or stopping power RE. A substancial reduction of this quantity has been recently evidenced by the INDRA collaboration at incident energies between 32 and 100 A MeV, for various symmetric systems. In this work, the impact of σnn on the stoping power RE is studied in the framework of the microscopic DYWAN model. Calculations have been performed in Xe+Sn central collisions at incident energies between 45 and 100 A MeV, where the theoretical values are shown to be more sensitive to σnn. They are compared with experimental data and with the results of the semiclassical Landau-Vlasov model.

Item Type: Article
Subjects: 500 Scienze naturali e Matematica > 530 Fisica
Depositing User: Marina Spanti
Date Deposited: 16 Nov 2020 20:42
Last Modified: 16 Nov 2020 20:42

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