Numerical optimization and multi-particle dynamics simulation of the radial matching section of the RFQ

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XIAO Chen, HE Yuan, YUAN You-Jin, WANG Zhi-Jun, LIU Yong, HE Shou-Bo, XU Meng-Xin, CHANG Wei, LI Chao, YUE Wei-Ming, ZHAO Hong-Wei and XIA Jia-Wen. Numerical optimization and multi-particle dynamics simulation of the radial matching section of the RFQ[J]. Chinese Physics C, 2011, 35(10): 964-968. doi: 10.1088/1674-1137/35/10/015
XIAO Chen, HE Yuan, YUAN You-Jin, WANG Zhi-Jun, LIU Yong, HE Shou-Bo, XU Meng-Xin, CHANG Wei, LI Chao, YUE Wei-Ming, ZHAO Hong-Wei and XIA Jia-Wen. Numerical optimization and multi-particle dynamics simulation of the radial matching section of the RFQ[J]. Chinese Physics C, 2011, 35(10): 964-968.  doi: 10.1088/1674-1137/35/10/015 shu
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Received: 2010-03-14
Revised: 1900-01-01
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Numerical optimization and multi-particle dynamics simulation of the radial matching section of the RFQ

Abstract: The ABC code is an optimization program for the development of matching channels and dynamical matchers in radio frequency quadrupole (RFQ) structures, and a new approach to this code to define the geometry of the radial matching section of the RFQ has been developed. This approach is based on the application of the numerical optimization step by step. This optimization is intended to search for the initial matching condition of a beam, the optimization of parameters of a cell of the channel on given characteristic parameters and traces of a beam in linear channels in both forward and backward directions. To further verify the results of the optimization, multi-particle beam dynamics simulations have been carried out using the BEAMPATH and TRACK codes. The result of the beam dynamics simulation shows that the optimization result of the ABC code is reasonable and this approach provides an opportunity to redesign the structure of the radial matching section of the RFQ.

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