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Title |
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| MOPAB053 |
Progress of Lattice Design and Physics Studies on the High Energy Photon Source |
229 |
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- Y. Jiao, Y. Bai, X. Cui, C.C. Du, Z. Duan, Y.Y. Guo, P. He, X.Y. Huang, D. Ji, H.F. Ji, S.C. Jiang, B. Li, C. Li, J.Y. Li, N. Li, X.Y. Li, P.F. Liang, C. Meng, W.M. Pan, Y.M. Peng, Q. Qin, H. Qu, S.K. Tian, J. Wan, B. Wang, J.Q. Wang, N. Wang, Y. Wei, G. Xu, H.S. Xu, F. Yan, C.H. Yu, Y.L. Zhao
IHEP, Beijing, People’s Republic of China
- X.H. Lu
IHEP CSNS, Guangdong Province, People’s Republic of China
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Funding: Work supported by High Energy Photon Source (HEPS), a major national science and technology infrastructure and NSFC (11922512)
The High Energy Photon Source (HEPS) is a 34-pm, 1360-m storage ring light source being built in the suburb of Beijing, China. The HEPS construction started in mid-2019. While the physics design has been basically determined, modifications on the HEPS accelerator physics design have been made since 2019, in order to deal with challenges emerging from the technical and engineering designs. In this paper, we will introduce the new storage ring lattice and injector design, and also present updated results of related physics issues, including impedance and collective effects, lattice calibration, insertion device effects, injection design studies, etc.
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Poster MOPAB053 [0.699 MB]
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2021-MOPAB053
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| About • |
paper received ※ 10 May 2021 paper accepted ※ 24 May 2021 issue date ※ 17 August 2021 |
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| MOPAB090 |
Status of HEPS Insertion Devices Design |
339 |
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- X.Y. Li, Y. Jiao, H.H. Lu, S.K. Tian
IHEP, Beijing, People’s Republic of China
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HEPS is a 4th generation light source with the energy of 6 GeV and ultralow emittance of 34 pm.rad. A total of 14 beamlines with 19 insertion devices has been planned in the first phase, including 6 cryogenic undulators, 5 in-vacuum undulators, and two special non-planar IDs. The schemes and parameters of all the IDs are planned to be determined in this year. We report on the status of the design of these IDs and their effects on beam dynamics.
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Poster MOPAB090 [0.633 MB]
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2021-MOPAB090
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| About • |
paper received ※ 13 May 2021 paper accepted ※ 01 July 2021 issue date ※ 10 August 2021 |
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| WEPAB222 |
Impedance Evaluation of Masks in the HEPS Storage Ring |
3145 |
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- N. Wang, S.K. Tian, J.Q. Wang
IHEP, Beijing, People’s Republic of China
- J.Q. Wang
University of Chinese Academy of Sciences, Beijing, People’s Republic of China
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Masks are commonly used in photon light sources to protect sensitive elements from synchrotron radiations. In the ultra-low emittance rings, small aperture vacuum chambers are adopted in order to reach the very high gradient in the quadrupoles, while many masks are required due to the high radiation power density. Therefore, the impedance of the masks becomes one of the dominant contributors to the impedance budget. In this paper, the impedance is evaluated among different mask designs. Meanwhile, the impedance cross-talk between adjacent masks is discussed.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2021-WEPAB222
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| About • |
paper received ※ 18 May 2021 paper accepted ※ 06 July 2021 issue date ※ 15 August 2021 |
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