聚变反应$^{209}$ Bi+ $^{70}$ Zn中辐射俘获、单质子和双中子通道分支比的计算
Calculations of Branching Ratios for Radiative-Capture, One-Proton, and Two-Neutron Channels in the Fusion Reaction $^{209}$Bi+$^{70}$Zn
摘要：
本文讨论了冷聚变反应$^{70}$ Zn + $^{209}$ Bi产生Z=113的非单中子发射通道的可能性。为此目的，我们计算的蒸发残留物截面的一个质子，辐射捕获，和两个中子的排放相对于一个中子的排放在反应$^{70}$ Zn + $^{209}$ Bi。为了估计这些量的上限，我们在计算中改变模型参数，例如能级密度参数和裂变势垒的高度。在[J. Phys. Soc. Jpn.]的实际实验条件下，我们得出结论：2n反应通道的可能性最高，其上限为2.4 $%$，最多小于7.9%，参数值不切实际。{ \bf 73}（2004）2593]。
英文摘要：
We discuss the possibility of the non-one-neutron emission channels in the cold fusion reaction $^{70}$Zn + $^{209}$Bi 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 $^{70}$Zn + $^{209}$Bi. 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. {\bf 73} (2004) 2593].
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