核间距约束下能量变化的绝热核间势
Adiabatic internuclear potentials obtained by energy variation with the internuclear-distance constraint
摘要：
我们提出了一种方法来获得绝热核间的潜力，通过能量变化与集团间的距离约束。利用该方法得到的绝热$^{16}$ O + $^{16,18}$ O势研究了价中子在$^{16}$ O + $^{18}$ O亚势垒熔合中的作用. $^{16}$ O + $^{18}$ O的亚势垒熔合截面比$^{16}$ O + $^{16}$ O的亚势垒熔合截面增大，这是由于$^{18}$ O的价中子畸变所致.
英文摘要：
We propose a method to obtain adiabatic internuclear potentials via energy variation with the intercluster-distance constraint. The adiabatic $^{16}$O + $^{16,18}$O potentials obtained by the proposed method are applied to investigate the effects of valence neutrons in $^{16}$O + $^{18}$O sub-barrier fusions. Sub-barrier fusion cross sections of $^{16}$O + $^{18}$O are enhanced more compared to those of $^{16}$O + $^{16}$O because of distortion of valence neutrons in $^{18}$O.
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