On  Isotope Dependence of Superheavy Nucleus Production

LIU Zu-hua; BAO Jing-dong

doi:10.11804/NuclPhysRev.23.04.423

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LIU Zu-hua, BAO Jing-dong. On Isotope Dependence of Superheavy Nucleus Production[J]. Nuclear Physics Review, 2006, 23(4): 423-425. doi: 10.11804/NuclPhysRev.23.04.423

Citation:

LIU Zu-hua, BAO Jing-dong. On Isotope Dependence of Superheavy Nucleus Production[J]. Nuclear Physics Review, 2006, 23(4): 423-425. doi: 10.11804/NuclPhysRev.23.04.423

On Isotope Dependence of Superheavy Nucleus Production

doi: 10.11804/NuclPhysRev.23.04.423

1 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou 730000, China;2 Department of Physics, Beijing Normal University, Beijing 100875, China;3 China Institute of Atomic Energy, Beijing 102413, China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2006-12-20

Abstract

The cross sections of the compound nucleus formation and e vaporation residue for the 54Fe+204Pb， 56Fe+206Pb， 58Fe+208Pb cold fusion and 32,34, 36S+238U hot fusion have been calculated by using a twoparameter Smoluchowski equation. Our results clearly show the isotope dependence of superheavy nucleus production. The formation cross sections of the neutronrich isotope are， generally speaking， obviously enhanced due to the lower Coloumb barrier ， lower height of the conditional saddlepoint， and smaller neutron separation energy.
- Smoluchowski equation,
- superheavy nuclei,
- dependence of isotope
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通讯作者: 陈斌, bchen63@163.com

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沈阳化工大学材料科学与工程学院沈阳 110142

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On Isotope Dependence of Superheavy Nucleus Production

doi: 10.11804/NuclPhysRev.23.04.423

1 Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator of Lanzhou, Lanzhou 730000, China;2 Department of Physics, Beijing Normal University, Beijing 100875, China;3 China Institute of Atomic Energy, Beijing 102413, China

Received Date: 1900-01-01
Rev Recd Date: 1900-01-01
Publish Date: 2006-12-20

Key words:

Abstract: The cross sections of the compound nucleus formation and e vaporation residue for the 54Fe+204Pb， 56Fe+206Pb， 58Fe+208Pb cold fusion and 32,34, 36S+238U hot fusion have been calculated by using a twoparameter Smoluchowski equation. Our results clearly show the isotope dependence of superheavy nucleus production. The formation cross sections of the neutronrich isotope are， generally speaking， obviously enhanced due to the lower Coloumb barrier ， lower height of the conditional saddlepoint， and smaller neutron separation energy.

LIU Zu-hua, BAO Jing-dong. On Isotope Dependence of Superheavy Nucleus Production[J]. Nuclear Physics Review, 2006, 23(4): 423-425. doi: 10.11804/NuclPhysRev.23.04.423

Citation:

LIU Zu-hua, BAO Jing-dong. On Isotope Dependence of Superheavy Nucleus Production[J]. Nuclear Physics Review, 2006, 23(4): 423-425. doi: 10.11804/NuclPhysRev.23.04.423