讨论了超重核形成截面计算中的耦合道效应、壳效应的阻尼效应、能级密度的集体运动增强因子以及蒸发残余核的自旋分布等几个重要问题,并给出相应的实验结果.因这些因素都可能对截面有数量级的影响,正确处理与否直接关系到超重核合成截面理论预言的可靠性.
参考文献
[1] | Zhang H Q, Xu J C, Liu Z H, etal. Anomalous Anisotropies of Fission Fragments for the 16O+232 Th Sub-barrier Fusionfission Reaction [J]. Phys Rev, 1990, C42: 1086. |
[2] | Wang C Y. Interaction Barrier in Charged-particle Nuclear Reaction [J]. Phys Rev Lett, 1973, 31: 766. |
[3] | Wu Y W, Liu Z H, Lin C J, et al. Near Barrier Fusion Excitation Function of 6 Li+208 Pb [J]. Submitted to Phys Rev,2002. |
[4] | Zagrebaev V I, Aritomo, Itkis M G, et al. Synthesis of Superheavy Nuclei: How accurately can we describe it and calculate the cross sections.? [J]. Phys Rev, 2001, C65: 014607. |
[5] | Reiter P, Khoo T L, Lauritsen T, et al. Entry Distribution,Fission Barrier, and Formation Mechanism, of 254 102 No[J]. Phys Rev Lett, 2000, 84: 3542. |
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