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Superheavy Element Research Superheavy Element Research

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Potential<br />

ene ergy / MMeV<br />

Influence of shell effects on fission barrier<br />

2.5 MeV<br />

~0.5 MeV LD + shell<br />

no barrier!<br />

Cf<br />

250 50<br />

98 152<br />

LD 250 25098 98152<br />

SSg<br />

268 268106162 106 162<br />

298 114184<br />

298<br />

114 114184<br />

macroscopic barrier:<br />

Disappears at Z ~ 104!<br />

Deformation β2 after A. Sobiczewski / S. Hofmann<br />

Ch.E. Düllmann – <strong>Superheavy</strong> element research – FIAS Colloquium – Frankfurt Institute for Advanced Studies, Frankfurt – October 20, 2011

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