The nuclear charge pickup cross sections of ¹²C on CH₂, C, Al, Cu, and Pb targets at the highest energy of 398 MeV/n were investigated using CR-39 nuclear track detector. The cross section for H was calculated from those measured on C and CH₂ targets. The dependence of charge pickup cross section on target mass was investigated, it was found that the nuclear charge pickup cross section is linearly depended on the target mass. This linear dependence is consistent with the prediction of nuclear peripheral and surface collision of charge pickup.

中文翻译：

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以 400 MeV/n 的速度对元素目标进行 12C 电荷拾取的横截面测量

使用 CR-39 核径迹探测器研究了 CH ₂、C、Al、Cu 和 Pb 目标上最高能量为 398 MeV/n的¹² C的核电荷拾取截面。H 的横截面是根据在 C 和 CH ₂靶上测量的那些计算得出的。研究了电荷拾取截面对目标质量的依赖性，发现核电荷拾取截面与目标质量呈线性关系。这种线性相关性与电荷拾取的核外围和表面碰撞的预测一致。