With the space charge forces considered, simulations of the evolution of the beam bunch in the K70 AVF cyclotron, which is an injector of the K540 RIKEN Ring Cyclotron (RRC), are carried out.

• 在考虑束团内粒子之间的空间电荷相互作用力的条件下,对日本理化研究所(RIKEN)现有的一台注入器(加速常数为K70的AVF型回旋加速器)中束团的演变过程进行了模拟计算。