2021•JACOWOpen access
Beam Commissioning of a 325 MHz Proton IH-DTL at XiPAF
Pengfei Ma, Wei Chen, Xialing Guan, Wolong Liu, Wei Lv, Mengtong Qiu, Ruo Tang, Baichuan Wang, Di Wang, Maocheng Wang, Min-Wen Wang, Xuewu Wang, Zhongming Wang, Qingzi Xing, Yan, Yi-Hua, Y.Q. Yang, Wenbo Ye, Mingtong Zhao, Shu-xin Zheng
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Abstract
The Inter-Digital H-mode Drift Tube Linac (IH-DTL) is widely used as the main component of injectors for medical synchrotrons. This paper describes the beam commissioning of a compact 325 MHz IH-DTL with modified KONUS beam dynamics at Tsinghua University (THU). This IH-DTL accelerates the proton beam from 3 MeV to 7 MeV in 1m. The average energy of the beam is 7.0 MeV with the energy spread range of -0.6 MeV to 0.3 MeV. The output transverse normalized RMS emittance of the beam is 0.58 (x)/0.58 (y) pi mm mrad with the input emittance of 0.43 (x)/0.37 (y) pi mm mrad. The beam test results show good agreement with the beam dynamics design.