Beam dynamics simulation of HEBT for the SSC-linac injector

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LI Xiao-Ni, YUAN You-Jin, XIAO Chen, HE Yuan, WANG Zhi-Jun and SHENG Li-Na. Beam dynamics simulation of HEBT for the SSC-linac injector[J]. Chinese Physics C, 2012, 36(11): 1126-1131. doi: 10.1088/1674-1137/36/11/016
LI Xiao-Ni, YUAN You-Jin, XIAO Chen, HE Yuan, WANG Zhi-Jun and SHENG Li-Na. Beam dynamics simulation of HEBT for the SSC-linac injector[J]. Chinese Physics C, 2012, 36(11): 1126-1131.  doi: 10.1088/1674-1137/36/11/016 shu
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Received: 2012-02-17
Revised: 1900-01-01
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Beam dynamics simulation of HEBT for the SSC-linac injector

    Corresponding author: LI Xiao-Ni,

Abstract: The SSC-linac (a new injector for the Separated Sector Cyclotron) is being designed in the HIRFL (Heavy Ion Research Facility in Lanzhou) system to accelerate 238U34+ from 3.72 keV/u to 1.008 MeV/u. As a part of the SSC-linac injector, the HEBT (high energy beam transport) has been designed by using the TRACE-3D code and simulated by the 3D PIC (particle-in-cell) Track code. The total length of the HEBT is about 12 meters and a beam line of about 6 meters are shared with the exiting beam line of the HIRFL system. The simulation results show that the particles can be delivered efficiently in the HEBT and the particles at the exit of the HEBT well match the acceptance of the SSC for further acceleration. The dispersion is eliminated absolutely in the HEBT. The space-charge effect calculated by the Track code is inconspicuous. According to the simulation, more than 60 percent of the particles from the ion source can be transported into the acceptance of the SSC.

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