eeFACT2016 - List of Authors (Duan, Z.)

Paper	Title	Page
MOT4H2	Polarization Studies at CEPC
	Z. Duan IHEP, Beijing, People's Republic of China
	Energy calibration with polarized electron/positron beams is an important topic for CEPC at a beam energy of 45 GeV and even 80 GeV. In this paper, the implications of pretzel scheme and partial double ring scheme and possible operation mode for energy calibration is first discussed. Then a preliminary simulation study is reported to investigate if useful beam polarization for energy calibration is achievable at 80 GeV at CEPC.
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TUT2H4	Top-up Injection Schemes for HEPS	85
	Z. Duan, J. Chen, Y. Jiao, Y.M. Peng, Q.Y. Wang, G. Xu, P. Zhang IHEP, Beijing, People's Republic of China
	Funding: Natural Science Foundation of China (No.11605212) Top-up injection has become standard mode of operation for most third generation light sources, and has also been suc- cesfully applied in electron-positron circular colliders like KEKB and PEP-II. For next generation ultra-low emittance storage rings approaching the diffraction limit of X-rays, take the High Energy Photon Source (HEPS) for example, top-up injection is a basic requirement but non-trivial to im- plement. The very small dynamic aperture is insufficient for traditional off-axis injection scheme, instead, a novel on-axis injection scheme was recently proposed for HEPS, based on RF gymnastics of a double-frequency RF system. This paper will describe the physical mechanism of this scheme, related RF issues, and the implications for top-up injection.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-eeFACT2016-TUT2H4
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Paper

Title

Page

MOT4H2

Polarization Studies at CEPC

Z. Duan
IHEP, Beijing, People's Republic of China

Energy calibration with polarized electron/positron beams is an important topic for CEPC at a beam energy of 45 GeV and even 80 GeV. In this paper, the implications of pretzel scheme and partial double ring scheme and possible operation mode for energy calibration is first discussed. Then a preliminary simulation study is reported to investigate if useful beam polarization for energy calibration is achievable at 80 GeV at CEPC.

Export •

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

TUT2H4

Top-up Injection Schemes for HEPS

85

Z. Duan, J. Chen, Y. Jiao, Y.M. Peng, Q.Y. Wang, G. Xu, P. Zhang
IHEP, Beijing, People's Republic of China

Funding: Natural Science Foundation of China (No.11605212)
Top-up injection has become standard mode of operation for most third generation light sources, and has also been suc- cesfully applied in electron-positron circular colliders like KEKB and PEP-II. For next generation ultra-low emittance storage rings approaching the diffraction limit of X-rays, take the High Energy Photon Source (HEPS) for example, top-up injection is a basic requirement but non-trivial to im- plement. The very small dynamic aperture is insufficient for traditional off-axis injection scheme, instead, a novel on-axis injection scheme was recently proposed for HEPS, based on RF gymnastics of a double-frequency RF system. This paper will describe the physical mechanism of this scheme, related RF issues, and the implications for top-up injection.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-eeFACT2016-TUT2H4

Export •

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