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在兰州放射性束流线(RIBLL)上完成了17F／17O+208Pb的弹性散射微分截面角分布测量．分析了17F／17O弹性散射产物微分截面的对数(ln(dσ／dθ))随散射角平方(θ2)的依赖关系．结果表明,在所测量的角度范围内(6°-20°),17O的这一依赖关系可以用一条直线很好地拟合,而17F的这一依赖关系需要两条不同斜率的直线才能拟合．17F数据拟合中的这种斜率改变可能起因于17F的奇异结构．对其他实验组数据的分析支持以上的结论,即在一定的角度范围内,弱束缚核与稳定核相比,弹性散射产物微分截面的对数与散射角平方的依赖关系有明显的差异,这可以作为深入研究“晕核”和“皮核”的一个新探针．
The angular scattering distribution of 17F / 17O + 208Pb elastic differential cross sections was completed on Lanzhou Radioactive Beamline (RIBLL). The dependence of the logarithm (ln (dσ / dθ)) of the 17F / 17O elastic scattering product on the square of the scattering angle (θ2) was analyzed. The results show that this dependence of 17O fits well over a straight line over the measured angular range (6 ° -20 °), whereas this dependence of 17F requires two straight lines of different slopes to be simulated Together This slope change in the 17F data fit may result from the singular structure of 17F. The analysis of other experimental data supports the above conclusion that there is a significant difference between the logarithm of the differential cross section and the squared scattering angle for the weakly bound nuclei compared with the stable nucleus over a certain range of angles, It can be used as a new probe for further study of “halo nuclei” and “skin nucleus”.