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Fusion hindrance and roles of shell effects in superheavy mass region

By Y. Aritomo

Abstract

We present the first attempt of systematically investigating the effects of shell correction energy for a dynamical process, which includes fusion, fusion-fission and quasi-fission processes. In the superheavy mass region, for the fusion process, shell correction energy plays a very important role and enhances the fusion probability when the colliding partner has a strong shell structure. By analyzing the trajectory in three-dimensional coordinate space with the Langevin equation, we reveal the mechanism of the enhancement of the fusion probability caused by `cold fusion valleys'. The temperature dependence of shell correction energy is considered

Topics: Theory-Nucl
Year: 2010
OAI identifier: oai:jdsweb.jinr.ru:28166
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