SAP2017 - List of Authors (Chi, Y.L.)

Paper	Title	Page
MOPH26	CEPC Linac Design and Error Study	89
	C. Meng, Y.L. Chi, X.P. Li, G. Pei, S. Pei, D. Wang, J.R. Zhang IHEP, Beijing, People's Republic of China
	Circular Electron-Positron Collider (CEPC) is a 100 km ring e⁺ e⁻ collider for a Higgs factory, including the double ring for collider and the injector. The injector is composed of the linac and booster. The linac of CEPC is a normal conducting S-band linac with frequency in 2856.75 MHz and provide electron and positron beam at an energy up to 10 GeV with bunch charge in 1.0 nC and repetition frequency in 100 Hz. The linac scheme will be detailed discussed. The beam dynamic results with short-range Wakefields and detailed error study including misalignment errors and field errors also be presented.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-SAP2017-MOPH26
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MOPH27	Design Studies on an S-band Hybrid Accelerating Structure	92
	B. Gao, Y.L. Chi, S. Pei IHEP, Beijing, People's Republic of China
	Funding: Supported by the National Natural Science Foundation of China (11475201) and the Youth Innovation Promotion Association of Chinese Academy of Sciences, China. In an electron linac, the composition of the bunching system is determined by the synthetical consideration of the beam performance and the construction cost. In the industrial area, the bunching system is usually simplified to reduce the construction cost by eliminating the PB and integrating the B and the standard accelerating structure to form the β-varied structure. The bunching performance for this kind of system is relatively worse than that for the standard one. To keep the beam performance of the standard bunching system and reduce the construction cost as much as possible, the HAS is proposed by integrating the PB, the B and the standard TW accelerating structure together. The HAS can be widely applied in the industrial area to enhance the beam performance of the industrial linac but not increase the cost. In this paper, the design studies on an S-band (2856 MHz) HAS is presented. The HAS studied here is composed of 2 SW cells, 40 TW cells and 2 coupler cells. The on-axis electric field amplitude distribution simulated by HFSS can fully meet the beam dynamics requirement.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-SAP2017-MOPH27
Export •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

Paper

Title

Page

CEPC Linac Design and Error Study

89

C. Meng, Y.L. Chi, X.P. Li, G. Pei, S. Pei, D. Wang, J.R. Zhang
IHEP, Beijing, People's Republic of China

Circular Electron-Positron Collider (CEPC) is a 100 km ring e⁺ e⁻ collider for a Higgs factory, including the double ring for collider and the injector. The injector is composed of the linac and booster. The linac of CEPC is a normal conducting S-band linac with frequency in 2856.75 MHz and provide electron and positron beam at an energy up to 10 GeV with bunch charge in 1.0 nC and repetition frequency in 100 Hz. The linac scheme will be detailed discussed. The beam dynamic results with short-range Wakefields and detailed error study including misalignment errors and field errors also be presented.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-SAP2017-MOPH26

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

MOPH27

Design Studies on an S-band Hybrid Accelerating Structure

92

B. Gao, Y.L. Chi, S. Pei
IHEP, Beijing, People's Republic of China

Funding: Supported by the National Natural Science Foundation of China (11475201) and the Youth Innovation Promotion Association of Chinese Academy of Sciences, China.
In an electron linac, the composition of the bunching system is determined by the synthetical consideration of the beam performance and the construction cost. In the industrial area, the bunching system is usually simplified to reduce the construction cost by eliminating the PB and integrating the B and the standard accelerating structure to form the β-varied structure. The bunching performance for this kind of system is relatively worse than that for the standard one. To keep the beam performance of the standard bunching system and reduce the construction cost as much as possible, the HAS is proposed by integrating the PB, the B and the standard TW accelerating structure together. The HAS can be widely applied in the industrial area to enhance the beam performance of the industrial linac but not increase the cost. In this paper, the design studies on an S-band (2856 MHz) HAS is presented. The HAS studied here is composed of 2 SW cells, 40 TW cells and 2 coupler cells. The on-axis electric field amplitude distribution simulated by HFSS can fully meet the beam dynamics requirement.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-SAP2017-MOPH27

Export •

reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)