NDLI: Production cross sections for the heaviest nuclei in complete fusion reactions induced by heavy ions

Content Provider	Springer Nature Link
Author	Sagaidak, R. N.
Copyright Year	2007
Abstract	Production of the heaviest nuclei in complete fusion reactions induced by heavy ions has been considered in a systematic way in the framework of the conventional barrier passing model coupled with the statistical model. Available data on excitation functions for fission and production of evaporation residues (ER) in very asymmetric combinations induced by ions lighter than Ne on actinide target nuclei are described rather well in the framework of these models. The data allow one to adjust model parameters and to reveal the quasi-fission effect caused by the interaction with deformed target nuclei, which is manifested in the suppression of the ER production at sub-barrier energies. For reactions induced by Mg and heavier projectiles, quasi-fission is starting to suppress fusion (ER production) at energies above the Coulomb barrier. One has to introduce empirically the quantity of the fusion probability Pfus to reproduce the ER excitation functions in the framework of the conventional approach. The exponential dependence of Pfus on the combined fissility parameter (a similar parameter that was introduced for the extra-push energy scaling) was found in search for scaling for the Pfus values resulting from the data analysis.
Starting Page	59
Ending Page	65
Page Count	7
File Format	PDF
ISSN	14346060
Journal	The European Physical Journal D - Atomic, Molecular, Optical and Plasma Physics
Volume Number	45
Issue Number	1
e-ISSN	14346079
Language	English
Publisher	EDP Sciences
Publisher Date	2007-05-16
Publisher Place	Les Ulis
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Atoms, Molecules, Clusters and Plasmas Nanotechnology Quantum Physics Quantum Computing, Information and Physics Complexity Solid State Physics and Spectroscopy
Content Type	Text
Resource Type	Article
Subject	Atomic and Molecular Physics, and Optics

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