SAP2017 - List of Authors (Wang, J.Q.)

Paper	Title	Page
MOBH2	Status of HEPS Lattice Design and Physics Studies	7
	Y. Jiao, X. Cui, Z. Duan, Y.Y. Guo, D. Ji, J.L. Li, X.Y. Li, Y.M. Peng, Q. Qin, S.K. Tian, J.Q. Wang, N. Wang, Y. Wei, G. Xu, S.Y. Xu, F. Yan, C.H. Yu, Y.L. Zhao IHEP, Beijing, People's Republic of China
	The High Energy Photon Source (HEPS) is a 6-GeV, kilometer-scale, ultralow-emittance storage ring light source to be built in Beijing, China. The HEPS is now under extensive design and study. In this report we will introduce the progress of the lattice design and related physics studies on HEPS, covering issues of storage ring design, booster design, injection design, collective effects, error study, insertion device effects, longitudinal dynamics, etc.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-SAP2017-MOBH2
Export •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

TUCH3	Incoherent Transverse Tune Shift Caused by Space-charge Effects in HEPS Storage Ring and Booster	131
	C.C. Du, J.Q. Wang IHEP, Beijing, People's Republic of China
	In cases of low beam energy and high particle densities, space-charge effects become necessary discussions on transverse beam dynamics. It may cause a big enough tune shift in a circular accelerator moving the beam onto a resonance. In this paper, the transverse tune shift in High Energy Photon Source (HEPS) storage ring and booster ring caused by space-charge effects is firstly estimated based on the existing theory. Since the tune shift is at the level of 0.2, it may move the beam onto a resonance in the operation mode with high bunch charges. Then some simulations are made by tracking particles with elegant in the HEPS storage ring and booster including the space-charge effects. During the tracking, some particles are lost in HEPS booster ring with bunch charge of 14.4nC for the so called 'swap-out' mode. Further simulation shows that no particles would be lost if the charge of single bunch was less than 8.6nC in HEPS booster.
DOI •	reference for this paper ※ https://doi.org/10.18429/JACoW-SAP2017-TUCH3
Export •	reference for this paper using ※ BibTeX, ※ LaTeX, ※ Text/Word, ※ RIS, ※ EndNote (xml)

Paper

Title

Page

Status of HEPS Lattice Design and Physics Studies

7

Y. Jiao, X. Cui, Z. Duan, Y.Y. Guo, D. Ji, J.L. Li, X.Y. Li, Y.M. Peng, Q. Qin, S.K. Tian, J.Q. Wang, N. Wang, Y. Wei, G. Xu, S.Y. Xu, F. Yan, C.H. Yu, Y.L. Zhao
IHEP, Beijing, People's Republic of China

The High Energy Photon Source (HEPS) is a 6-GeV, kilometer-scale, ultralow-emittance storage ring light source to be built in Beijing, China. The HEPS is now under extensive design and study. In this report we will introduce the progress of the lattice design and related physics studies on HEPS, covering issues of storage ring design, booster design, injection design, collective effects, error study, insertion device effects, longitudinal dynamics, etc.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-SAP2017-MOBH2

Export •

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

TUCH3

Incoherent Transverse Tune Shift Caused by Space-charge Effects in HEPS Storage Ring and Booster

131

C.C. Du, J.Q. Wang
IHEP, Beijing, People's Republic of China

In cases of low beam energy and high particle densities, space-charge effects become necessary discussions on transverse beam dynamics. It may cause a big enough tune shift in a circular accelerator moving the beam onto a resonance. In this paper, the transverse tune shift in High Energy Photon Source (HEPS) storage ring and booster ring caused by space-charge effects is firstly estimated based on the existing theory. Since the tune shift is at the level of 0.2, it may move the beam onto a resonance in the operation mode with high bunch charges. Then some simulations are made by tracking particles with elegant in the HEPS storage ring and booster including the space-charge effects. During the tracking, some particles are lost in HEPS booster ring with bunch charge of 14.4nC for the so called 'swap-out' mode. Further simulation shows that no particles would be lost if the charge of single bunch was less than 8.6nC in HEPS booster.

DOI •

reference for this paper ※ https://doi.org/10.18429/JACoW-SAP2017-TUCH3

Export •

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