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Virial corrections to simulations of heavy ion reactions

Abstract : Within QMD simulations we demonstrate the effect of virial corrections on heavy ion reactions. Unlike in standard codes, the binary collisions are treated as non-local so that the contribution of the collision flux to the reaction dynamics is covered. A comparison with standard QMD simulations shows that the virial corrections lead to a broader proton distribution bringing theoretical spectra closer towards experimental values. Complementary BUU simulations reveal that the non-locality enhances the collision rate in the early stage of the reaction. It suggests that the broader distribution appears due to an enhanced pre-equilibrium emission of particles.
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Contributor : Dominique Girod <>
Submitted on : Wednesday, July 26, 2006 - 11:47:06 AM
Last modification on : Friday, June 22, 2018 - 9:27:19 AM

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K. Morawetz, V. Spicka, P. Lipavsky, G. Kortemeyer, C. Kuhrts, et al.. Virial corrections to simulations of heavy ion reactions. Physical Review Letters, American Physical Society, 1999, 82, pp.3767-3770. ⟨in2p3-00087671⟩



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