极端亚势垒能量下的准裂变
Quasifission at extreme sub-barrier energies
摘要：
用量子扩散方法研究了$^{92,94}$ Mo + $^{92,94}$ Mo，$^{100}$ Ru + $^{100}$ Ru，$^{104}$ Pd + $^{104}$ Pd，$^{78}$ Kr + $^{112}$ Sn反应在深亚基态能量下的俘获截面行为.由于俘获截面是完全熔合和准裂变截面之和，并且在这些亚势垒能量下完全熔合截面为零，因此可以在实验上研究俘获后这些反应中唯一的准裂变过程。
英文摘要：
With the quantum diffusion approach the behavior of the capture cross-section is investigated in the reactions $^{92,94}$Mo + $^{92,94}$Mo, $^{100}$Ru + $^{100}$Ru, $^{104}$Pd + $^{104}$Pd, and $^{78}$Kr + $^{112}$Sn at deep sub-barrier energies which are lower than the ground state energies of the compound nuclei. Because the capture cross section is the sum of the complete fusion and quasifission cross sections, and the complete fusion cross section is zero at these sub-barrier energies, one can study experimentally the unique quasifission process in these reactions after the capture.
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