Transmission efficiency improvement of the injector line of SFC by particle beam decorrelation

doi:10.13538/j.1001-8042/nst.26.060203

Nuclear Science and Techniques ›› 2015, Vol. 26 ›› Issue (6): 060203 doi: 10.13538/j.1001-8042/nst.26.060203

• LOW ENERGY ACCELERATOR, RAY AND APPLICATIONS • Previous Articles Next Articles

Transmission efficiency improvement of the injector line of SFC by particle beam decorrelation

YANG Yao,^{1, 2,} YUAN You-Jin ,¹ FENG Yu-Chen ,¹ SUN Liang-Ting,¹ FANG Xing ,¹ LU Wang ,¹ZHANG Wen-Hui,¹CAO Yun,¹ ZHANG Xue-Zhen,¹ ZHAO Hong-Wei ¹

¹Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China
²University of Chinese Academy of Sciences, Beijing 100049, China

Supported by:
Supported by National Basic Research Program of China (No. 2014CB845500) and the 100 Talents Program of the CAS (No. Y214160BR0) and National Nature Science Foundation of China (No. 11221064)

Export Citation

YANG Yao, YUAN You-Jin, FENG Yu-Chen, SUN Liang-Ting, FANG Xing, LU Wang, ZHANG Wen-Hui, CAO Yun, ZHANG Xue-Zhen, ZHAO Hong-Wei . Transmission efficiency improvement of the injector line of SFC by particle beam decorrelation.Nuclear Science and Techniques, 2015, 26(6): 060203 doi: 10.13538/j.1001-8042/nst.26.060203

Abstract

Abstract:

The operation of the HIRFL accelerator has shown that the beam transmission efficiency of the sector focusing cyclotron (SFC) injector line is rather poor. Beam simulations have been performed to investigate the possible causes for this low transmission. It is predicted that the property of transversal coupling of the ion beam from electron cyclotron resonance (ECR) ion source can be an important factor to degrade the beam quality by increasing the beam emittance, resulting in a serious particle loss. An improved operation scheme for the SECRAL associated line has been proposed, and the corresponding experiment was carried out. This paper presents the test results.

Key words: Electron cyclotron resonance, Emittance, Transverse, Coupling

[1]	Ping Wang, Jia-Ru Shi, Zheng-Feng Xiong, Ze-Ning Liu, Cheng Cheng, Huai-Bi Chen. Novel method to measure unloaded quality factor of resonant cavities at room temperature [J]. Nuclear Science and Techniques, 2018, 29(4): 50-50.
[2]	De-Chong Zhu, Jun-Hui Yue, Yan-Feng Sui, Da-Heng Ji, Jian-She Cao, Kai-Rong Ye, Shun-Qiang Tian, Jie Chen, Yong-Bin Leng. Performance of beam size monitor based on Kirkpatrick–Baez mirror at SSRF [J]. Nuclear Science and Techniques, 2018, 29(10): 148-148.
[3]	Wei Zhou, Xin-Yu Fang, Jin Fang, Bo Liu. DC performance and AC loss of cable-in-conduit conductors for International Thermonuclear Experimental Reactor [J]. Nuclear Science and Techniques, 2016, 27(3): 74-74.

Nuclear Science and Techniques

Transmission efficiency improvement of the injector line of SFC by particle beam decorrelation

Abstract

References

Related Articles 3

Metrics

Comments

10