This field traps high-energy protons and electrons from the sun. 这个场捕获来自太阳的高能质子和电子。
A tutorial introduction is given to some important physics and current challenges in the study of the energetic protons generated by intense laser interaction with solid targets. 摘要本文介绍了强激光与固体靶相互作用产生高能质子研究中的一些重要物理问题和目前面临的挑战。