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强流离子束离子径向密度分布的模拟研究
The simulation of ionic radial density in high intensity ion beam
【摘要】 对初始分布为K_V分布的离子束进行模拟研究 .除观察到存在束晕现象外 ,还发现离子束在通道内运行过程中 ,离子沿径向密度分布发生了变化 .通过延迟反馈控制 ,不仅可以消除束晕 ,而且只要控制参数适当 ,也可以使束中心部分呈均匀分布状态
【Abstract】 The ionic beam which exhibits a Kapchinsky-Vladimirsky distribution is studied in this paper. Not only the halo is found,but also the ionic radial density which has changed is discovered when the ionic beam is in accelerator channels. By delay feedback control method,the halo is removed. Moreover as long as the proper parameters are chosen,the density uniformity can be found at beam’s center.
【关键词】 强流离子束;
束晕;
填充因子;
离子密度分布;
【Key words】 high intensity ion beam; beam halo; filling factor; ion-density distribution;
【Key words】 high intensity ion beam; beam halo; filling factor; ion-density distribution;
【基金】 国家自然科学基金 (批准号 :10 2 470 0 5 )资助的课题~~
- 【文献出处】 物理学报 ,Acta Physica Sinica , 编辑部邮箱 ,2004年12期
- 【分类号】O572.211
- 【被引频次】15
- 【下载频次】72