Simulation on control of beam halo-chaos by power function in the hackle periodic-focusing channel

查看全文 作　　者：YU [1]Haijun;WENG [2]Jiaqiang;BAI [3]Long

机构地区：[1]Department of Physics, Huainan Normal University, Huainan 232001, China;[2]College of Physics and Information Technology, Guangxi Normal University, Guilin 541004, China;[3]College of Science, China University of Mining and Technology, Xuzhou 221008, China

出　　处：《Nuclear Science and Techniques》索引2008年第19卷第6期,共4页

基　　金：Supported by the National Natural Science Foundation of China (Grant No. 10247005);the Natural Science Foundation of the Anhui Higher Education Bureau (Grant No. KJ2007B187);the Scientific Research Foundation of China University of Mining and Technology for the Young (Grant No. OK060119). 摘　　要：The K-V beam through a hackle periodic-focusing magnetic field is studied using the particle-core model. The beam halo-chaos is found, and a power function controller is proposed based on mechanism of halo formation and strategy of controlling halo-chaos. Multiparticle simulation was performed to control the halo by using the power function control method. The results show that the halo-chaos and its regeneration can be eliminated effectively. We also find that the radial particle density evolvement is of uniformity at the beam’s centre as long as appropriate parameters are chosen. 关键词：束晕混沌状态周期性聚焦磁场幂函数核技术

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Simulation on control of beam halo-chaos by power function in the hackle periodic-focusing channel

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