Speaker
Liwen Liu
(Institute of Modern Physics, Chinese Academy of Sciences)
Description
Obtaining the complete distribution of a beam in high-dimensional phase space is crucial for predicting and controlling beam evolution. Based on the theory of maximum entropy tomography, we developed an algorithm for reconstructing the four-dimensional (4D) transverse phase space distribution. Our algorithm can take any number of 2D linear projections as constraints, and iteratively converges to the unique numerical solution which is the maximum-entropy distribution satisfying the constraints. Having verified the algorithm with simulation experiments, we plan to use it to conduct 4D phase space tomography in the MEBT and HEBT of the heavy ion linac CAFe II.
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Primary author
Liwen Liu
(Institute of Modern Physics, Chinese Academy of Sciences)
Co-authors
Zhijun Wang
(Institute of Modern Physics, Chinese Academy of Sciences)
Chun Yan Jonathan Wong
(Institute of Modern Physics, Chinese Academy of Sciences)
Yu Du
(Institute of Modern Physics, Chinese Academy of Sciences)
Tao Zhang
(Institute of Modern Physics, Chinese Academy of Sciences)
Haoyu Zhou
(Institute of Modern Physics, Chinese Academy of Sciences)
Binghui Ma
(Institute of Modern Physics, Chinese Academy of Sciences)
