Progress of the first-stage beam commissioning of High Energy Photon Source Linac

Meng Cai; Cao Jianshe; He Dayong; He Ping; Jiao Yi; Kang Ling; Kang Wen; Li Jian; Li Jingyi; Lin Guoping; Long Fengli; Qi Xin; Qu Huamin; Song Hong; Sui Yanfeng; Wang Sheng; Xu Gang; Ye Qiang; Zhang Jing; Zhang Jingru; Pan Weimin

doi:10.11884/HPLPB202335.230061

Volume 35 Issue 5

Apr. 2023

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Article Navigation > High Power Laser and Particle Beams > 2023 > 35(5): 054001

Ling Wenbin, Yu Zhiguo, E Peng, et al. Design of power supply for pulsed magnetic window system[J]. High Power Laser and Particle Beams, 2019, 31: 040018. doi: 10.11884/HPLPB201931.180269

Citation:

Meng Cai, Cao Jianshe, He Dayong, et al. Progress of the first-stage beam commissioning of High Energy Photon Source Linac[J]. High Power Laser and Particle Beams, 2023, 35: 054001. doi: 10.11884/HPLPB202335.230061

Ling Wenbin, Yu Zhiguo, E Peng, et al. Design of power supply for pulsed magnetic window system[J]. High Power Laser and Particle Beams, 2019, 31: 040018. doi: 10.11884/HPLPB201931.180269

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Progress of the first-stage beam commissioning of High Energy Photon Source Linac

doi: 10.11884/HPLPB202335.230061

Meng Cai^{1, 2
,},
Cao Jianshe^{1, 2},
He Dayong^{1, 2},
He Ping^{1, 2},
Jiao Yi^{1, 2
,
,},
Kang Ling^{1, 2},
Kang Wen^{1, 2},
Li Jian^{1, 2},
Li Jingyi^{1, 2
,
,},
Lin Guoping^{1, 2},
Long Fengli^{1, 2},
Qi Xin^{1, 2},
Qu Huamin^{1, 2},
Song Hong¹,
Sui Yanfeng^{1, 2},
Wang Sheng^{1, 2},
Xu Gang^{1, 2},
Ye Qiang¹,
Zhang Jing^{1, 2},
Zhang Jingru^{1, 2},
Pan Weimin^{1, 2
,
,}

1.
Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China
2.
University of Chinese Academy of Sciences, Beijing 100049, China

Received Date: 2023-03-24
Accepted Date: 2023-03-27
Rev Recd Date: 2023-04-01

Available Online: 2023-03-31

Publish Date: 2023-04-07

Abstract

Abstract

The High Energy Photon Source (HEPS) is the first fourth-generation synchrotron radiation source that will operate in high energy region in China. The HEPS accelerator consists of a linear accelerator, a booster, a storage ring and three transfer lines. This paper presents important progress on the HEPS Linac. The 500 MeV Linac has been constructed using S-band normal conducting structures, including a thermionic cathode electron gun, beam bunching system, and main accelerating section. After completing the equipment installation and high-power RF conditioning, the beam commissioning was started on March 9, 2023. The beam was successfully transferred to the end of the Linac on the same day, and a beam with 500 MeV of energy and 2.5 nC of pulse charge was achieved within 5 days. As measured up to date at the Linac exit, the beam energy spread and energy stability are 0.4% and 0.06% respectively, and the horizontal and vertical geometric emittances are 233 nm and 145 nm, respectively. The maximum bunch charge reaches up to 7.0 nC. Further beam commissioning will be implemented to gain full performance of the Linac.
- HEPS Linac,
- High Energy Photon Source,
- beam commissioning,
- beam energy,
- bunch charge

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References(12)

References

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