Calculations of Branching Ratios for Radiative-Capture, One-Proton, and Two-Neutron Channels in the Fusion Reaction 209Bi + 70Zn

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概要

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• We discuss the possibility of the non-one-neutron emission channels in the cold fusion reaction 70Zn + 209Bi to produce the element $Z=113$. For this purpose, we calculate the evaporation-residue cross sections of one-proton, radiative-capture, and two-neutron emissions relative to the one-neutron emission in the reaction 70Zn + 209Bi. To estimate the upper bounds of those quantities, we vary model parameters in the calculations, such as the level-density parameter and the height of the fission barrier. We conclude that the highest possibility is for the 2n reaction channel, and its upper bounds are 2.4% and at most less than 7.9% with unrealistic parameter values, under the actual experimental conditions of [J. Phys. Soc. Jpn. 73 (2004) 2593].

• 2010-07-15

著者

• Iwamoto Akira

  Japan Atomic Energy Agency, Tokai, Ibaraki 319-1195, Japan

• ICHIKAWA Takatoshi

  Yukawa Institute for Theoretical Physics, Kyoto University

• Ichikawa Takatoshi

  Yukawa Institute for Theoretical Physics, Kyoto University, Kyoto 606-8502, Japan

関連論文

• Potential Energy Surfaces for the Fission of the Actinide Nuclei
• Adiabatic Approximation in Multi-Dimensional Penetration Problem : Nuclear Physics
• Smooth Transition from Sudden to Adiabatic States in Deep-Subbarrier Fusion Reactions(YKIS2011 papers,Frontier Issues in Physics of Exotic Nuclei)
• Calculations of Branching Ratios for Radiative-Capture, One-Proton, and Two-Neutron Channels in the Fusion Reaction 209Bi + 70Zn
• Smooth Transition from Sudden to Adiabatic States in Deep-Subbarrier Fusion Reactions

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