We present excitation cross sections in collision between two ground state hydrogen atoms using a four-body classical trajectory Monte Carlo model. Calculations were performed for impact energies in the range between 1.0 keV and 100 keV where the cross sections are highly relevant to the interest of the fusion research. Beside the total excitation cross sections for target and projectile we also present partial excitation cross sections into the 2s and 2p states of the target. The partial excitation cross sections are compared with the previously obtained theoretical and experimental results.

中文翻译：

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两个基态氢原子碰撞的激发截面

我们使用四体经典轨迹蒙特卡罗模型在两个基态氢原子之间的碰撞中呈现激发截面。对 1.0 keV 到 100 keV 范围内的冲击能量进行了计算，其中横截面与聚变研究的兴趣高度相关。除了目标和射弹的总激发截面外，我们还将部分激发截面呈现为目标的 2s 和 2p 状态。部分激发截面与先前获得的理论和实验结果进行了比较。