A proton therapy(PT)facility with multiple treatment rooms based on the superconducting cyclotron scheme is under develo......

本文提出光束轨迹方程的一般解，导出解析解的存在条件，推广了文献[1]的光线传播理论，文中以一特定梯度折射率棒为例，讨论了高斯光束在......