Hindrance in fusion heavy-ion reactions

The behavior of heavy ion fusion reactions at energies larger than the Coulomb barrier is discussed by analyzing the energy dependence of all reaction channels in 58Ni + 124Sn and 16O + 208Pb systems. The analysis is done by using a semiclassical models that incorporate surface and particle transfer...

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Bibliographic Details
Published in:Nuclear physics. A 2007-05, Vol.787 (1), p.206-210
Main Author: Pollarolo, Giovanni
Format: Article
Language:English
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Summary:The behavior of heavy ion fusion reactions at energies larger than the Coulomb barrier is discussed by analyzing the energy dependence of all reaction channels in 58Ni + 124Sn and 16O + 208Pb systems. The analysis is done by using a semiclassical models that incorporate surface and particle transfer degrees of freedom. The observed hindrance factor may be understood in term of deep-inelastic collisions whose cross section should be added to the one of fission and evaporation to obtain a meaningful comparison with the calculated capture cross section.
ISSN:0375-9474
DOI:10.1016/j.nuclphysa.2006.12.033