The Role of Potential Structure in Excitation Functions of Synthesizing Superheavy Nuclei |
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| Authors: | JIA Fei HUANG Tian-Heng XU Hu-Shan LI Jun-Qing WANG Nan W Scheid |
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| Institution: | 1. Institute of Modern Physics, the Chinese Academy of
Sciences, Lanzhou 730000, China
;2. Research Center of Nuclear Theory of Laboratory of Heavy
Ion Accelerator of Lanzhou, Lanzhou 730000, China
;3. Graduate School of the Chinese Academy of Sciences,
Beijing 100049, China
;4. Department of Physics, College of Science, Shenzhen University,
Shenzhen 518060, China
;5. Institut fuer Theoretische Physik, Justus-Liebig-Universitaet, 35392 Giessen, Germany |
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| Abstract: | The excitation functions of two very similar reaction channels,
58Fe+208Pb→ 265Hs+1n and
58Fe+209Bi→ 266Mt+1n are studied in the framework of the dinuclear system conception. The fusion probabilities are
found to be strongly subject to the structure of the driving potential. Usually the fusion probability is hindered by a barrier from the injection channel towards the compound nuclear configuration. The barrier towards the mass symmetrical direction,
however, also plays an important role for the fusion probability, because the barrier hinders the quasi-fission, and therefore helps fusion. |
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| Keywords: | superheavy nuclei driving potential excitation function |
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