在SILEX-I激光装置上实验研究了超强超短激光与Au/CH复合靶相互作用中在靶背法线方向发射的质子束的空间分布特征. 保持复合靶前表面的Au厚度不变, 质子束流随着后表面的C8H8层厚度的增加而减小, 同时质子空间分布呈现环状、成丝和圆盘状分布. 实验没有发现高于2.75 MeV的高能质子产生. 实验进一步完善了超短超强激光等离子体相互作用的物理模型.
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