Importance of nuclear viscosity and thermal conductivity and the analysis of the bounce-off effect in high energy heavy ion collisions

We present an analysis of high energy heavy ion collisions at intermediate impact parameters, using a two-dimensional fluid-dynamical model including shear and bulk viscosity, heat conduction, a realistic treatment of th
We present an analysis of high energy heavy ion collisions at intermediate impact parameters, using a two-dimensional fluid-dynamical model including shear and bulk viscosity, heat conduction, a realistic treatment of the nuclear binding, and an analysis of the final thermal emission of free nucleons. We find large collective momentum transfer to projectile and target residues (the highly inelastic bounce-off effect) and explosion of the hot compressed shock zones formed during the impact. As the calculated azimuthal dependence of energy spectra and angular distributions of emitted nucleons depends strongly on the coefficients of viscosity and thermal conductivity, future exclusive measurements may allow for an experimental determination of these transport coefficients. The importance of 4π measurements with full azimuthal information is pointed out.
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Metadaten
Author:Gerd Buchwald, László Pal Csernai, Joachim A. Maruhn, Walter Greiner, Horst Stöcker
URN:urn:nbn:de:hebis:30-28148
Document Type:Article
Language:English
Date of Publication (online):2006/06/20
Year of first Publication:1981
Publishing Institution:Univ.-Bibliothek Frankfurt am Main
Release Date:2006/06/20
Tag:20Ne + 238U ; E1ab=400 MeV/nucleon fluid dynamics ; cross sections; heat conduction ; nuclear reactions ; viscosity
Source:Phys. Rev. C 24, 135-143 (1981), ©1981 The American Physical Society, http://link.aps.org/abstract/PRC/v24/p135
HeBIS PPN:187227233
Institutes:Physik
Dewey Decimal Classification:530 Physik
Sammlungen:Universitätspublikationen
Licence (German):License Logo Veröffentlichungsvertrag für Publikationen

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