| Issue |
EPJ Web of Conferences
Volume 31, 2012
IWM2011 – International workshop on Multifragmentation and Related Topics
|
|
|---|---|---|
| Article Number | 00024 | |
| Number of page(s) | 7 | |
| DOI | https://doi.org/10.1051/epjconf/20123100024 | |
| Published online | 05 July 2012 | |
https://doi.org/10.1051/epjconf/20123100024
Systematics of the fusion cross-section in heavy ion reactions
1 SUBATECH, EMN-IN2P3/CNRS-Université de Nantes, P.O.Box 20722, F-44307, Nantes cedex 3, France
2 Ruder Bošković Institute, P.O.Box 118, HR-10 002, Zagreb, Croatia
* e-mail: eudes@subatech.in2p3.fr
We study the energy dependence of the fusion cross-section with the goal of understanding the evolution of the underlying reaction mechanism as a function of input channel parameters and the causes of its (non-)disappearance. The heart of this work is a systematic and as wide as possible overview of measured cross-sections. Normalized by the reaction cross-section and plotted as a function of the available energy per ucleon corrected for the Coulomb barrier, fusion crosssection show a rather universal behavior leading to a disappearance of the fusion around 10A MeV, except in the case of very asymmetric systems for which incomplete fusion persists and tends towards a constant value that can be explained in the frame of a simple geometrical approach. These trends are confirmed by the semiclassical Landau-Vlasov transport calculations.
© Owned by the authors, published by EDP Sciences - SIF, 2012
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