# Nuclear Science and Techniques

《核技术》(英文版) ISSN 1001-8042 CN 31-1559/TL     2019 Impact factor 1.556

Nuclear Science and Techniques ›› 2018, Vol. 29 ›› Issue (7): 94

• SYNCHROTRON RADIATION TECHNOLOGY AND APPLICATIONS •

### Design and test of an RF acceleration system loaded with magnetic alloy for the proton synchrotron of the Xi’an Proton Application Facility

Guang-Rui Li 1,2,3 • Shu-Xin Zheng 1,2,3 • Hong-Jin Zeng 1,2,3 • Zhi-Yu Wang 4 • Cai-Jun Yu 4 • Gang Fu 4 • Hong-Juan Yao 1,2,3 • Xia-Ling Guan 1,2,3 • Xue-Wu Wang 1,2,3 • Wen-Hui Huang 1,2,3

1. 1 Laboratory of Particle & Radiation Imaging, Tsinghua University, Ministry of Education, Beijing 100084, China
2 Laboratory for Advanced Radiation Sources and Application, Tsinghua University, Beijing 100084, China
3 Department of Engineering Physics, Tsinghua University, Beijing 100084, China
4 Beijing Institute of Radio Measurement, Beijing 100084, China
• Contact: Shu-Xin Zheng E-mail:zhengsx@tsinghua.edu.cn
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Guang-Rui Li, Shu-Xin Zheng, Hong-Jin Zeng, Zhi-Yu Wang, Cai-Jun Yu, Gang Fu, Hong-Juan Yao, Xia-Ling Guan, Xue-Wu Wang, Wen-Hui Huang. Design and test of an RF acceleration system loaded with magnetic alloy for the proton synchrotron of the Xi’an Proton Application Facility.Nuclear Science and Techniques, 2018, 29(7): 94
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Abstract:

The Xi’an Proton Application Facility (XiPAF) is a facility dedicated to the experimental simulation of the space radiation environment. The facility uses a compact synchrotron as its final-stage accelerator. The synchrotron can accelerate a proton beam from 7 to 230 MeV. Physical design results show that the radio frequency (RF) acceleration system should work in the frequency range of 16 MHz and provide a maximum voltage of >800 V. To dilute the strong space charge effect during the injection period, we also aim to achieve multiharmonic acceleration. A compact RF acceleration system loaded with magnetic alloy cores has been designed and developed to fulfill these requirements. The preliminary test results show that the system can work normally with a gap voltage of 800 V. With a further RF power upgrade, the voltage can be improved to >1.2 kV.