$^9$ O弱束缚态下Be彩虹散射中动力学折射主弓的证据
Evidence for a dynamically refracted primary bow in weakly bound $^9$Be rainbow scattering from $^{16}$O
摘要：
我们提出的第一次证据的存在一个动态折射主弓$^{9}$ Be+ $^{16}$ O散射。这表明通过使用耦合通道计算与扩展的双折叠潜力来自密度依赖的有效两体力和精确的微观簇波函数$^{9}$是。计算结果很好地再现了$^{9}$ Be+ $^{16}$ O散射的实验Airy结构，发现弱束缚的$^{9}$ Be核与激发态的耦合起着增强透镜的作用，由于$^{9}$ Be和$^{16}$ O基态之间的Luneburg透镜平均场势，使折射动态地增强到{ \it静态}折射之上.
英文摘要：
We present for the first time evidence for the existence of a dynamically refracted primary bow for $^{9}$Be+$^{16}$O scattering. This is demonstrated through the use of coupled channel calculations with an extended double folding potential derived from the density-dependent effective two-body force and precise microscopic cluster wave functions for $^{9}$Be. The calculations reproduce the experimental Airy structure in $^{9}$Be+$^{16}$O scattering well.It is found that coupling of a weakly bound $^{9}$Be nucleus to excited states plays the role of a booster lens, dynamically enhancing the refraction over the {\it static} refraction due to the Luneburg lens mean field potential between the ground states of $^{9}$Be and $^{16}$O.
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