评价价sd中子和质子对聚变的影响
Assessing the impact of valence sd neutrons and protons on fusion
摘要：
将$^{17}$ F + $^{12}$ C的实验势垒以上熔合截面与碳靶上$^{16,18}$ O、$^{19}$ F和$^{20}$ Ne离子的熔合激发函数进行比较。在比较不同的系统中，入射离子的不同静态尺寸和熔合势垒的变化都是通过检查减少的熔合横截面来考虑的。观察到反应sd质子和中子敏感相互作用的势垒以上聚变截面的剩余趋势。实验数据也进行了比较，广泛使用的近势垒融合的分析模型，以及随时间变化的Hartree-Fock模型。这两种模式都未能描述观察到的趋势。
英文摘要：
Experimental above-barrier fusion cross-sections for $^{17}$F + $^{12}$C are compared to the fusion excitation functions for $^{16,18}$O, $^{19}$F, and $^{20}$Ne ions on a carbon target. In comparing the different systems both the differing static size of the incident ions and changes in fusion barrier are accounted for by examining the reduced fusion cross-section. Remaining trends of the fusion cross-section above the barrier which reflect the sensitive interplay of the sd protons and neutrons are observed. The experimental data are also compared to both a widely-used analytical model of near-barrier fusion, as well as a time-dependent Hartree-Fock model. Both models fail to describe the trends observed.
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