An improved matrix method for magnet shimming in compact cyclotrons
An improved matrix method for magnet shimming in compact cyclotrons
复制标题
紧凑型回旋加速器磁体匀场的改进矩阵法
DOI:
10.1016/j.nima.2010.03.135
复制
发表时间:
2010-08
期刊:
影响因子:
--
通讯作者:
Fan, M. W.
中科院分区:
文献类型:
--
作者:
Qin, B.;Chen, D. Z.;Zhao, L. C.;Yang, J.;Fan, M. W.
The magnet shimming of compact cyclotrons generally consists of iterative procedures. The isochronous field error can be obtained with accurate ion gyration frequency along the radius calculated by numerical integration. The method related on the transformation from the isochronous field error to the geometry change of the magnet pole is a critical procedure during magnet design and field shimming. Compared with previous shimming schemes, an improved matrix method combining multiple linear regression with systematic artificial adjustment is proposed. The study demonstrated that the proposed method has a fast convergence for field isochronism, while maintaining stable and safety characteristics during shimming process.
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影响因子:
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