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| THPF060 |
The Simulation Study of Space Charge Effects for CSNS Linac |
3833 |
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- Y. Yuan, L. Huang, J. Peng, S. Wang
IHEP, Beijing, People's Republic of China
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China Spallation Neutron Source (CSNS) is a high intensity accelerator based facility. Its accelerator consists of an H− injector and a proton Rapid Cycling Synchrotron. The injector includes the front end and linac. The RFQ accelerates the beam to 3MeV, and then DTL accelerates it to 80MeV. The space charge effect is the most important cause of emittance growth and beam loss due to the low beam energy and the high peak current. The paper performed simulation studies on the space charge effects at the LINAC by using three-dimensional code IMPACT-Z. The emittance evolution is studied in the point of view of the singe-particle dynamics and multi-particle dynamics with different peak beam current. The effect of mismatch is studied by simulation, and the emittance growth with different mismatch factor are given.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2015-THPF060
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