Paper | Title | Page |
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THPOR010 | CEPC Parameter Choice and Partial Double Ring Design | 3788 |
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Funding: Work supported by the National Foundation of Natural Sciences (11505198 and 11575218) In order to avoid the pretzel orbit, CEPC is proposed to use partial double ring scheme in CDR. Based on crab waist scheme, we hope to either increase the luminosity with same beam power as Pre-CDR, or reduce the beam power while keeping the same luminosity in Pre-CDR. FFS with crab sextupoles has been developed and the arc lattice was redesigned to acheive the lower emittance for crab waist scheme. |
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DOI • | reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-THPOR010 | |
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THPOR017 | Dynamic Aperture Optimization at CEPC with Pretzel Orbit | 3808 |
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A preliminary design of the CEPC ring with pretzel orbit will be presented. The ring and pretzel orbit will be designed for 50 bunches, as required in the CEPC Pre-CDR. The linear optics, as well as the non-linear chromaticity compensation with the presence of pretzel orbit will be described. Different phase advance difference between the long and short straight sections, have been tried to optimize the dynamic aperture, the results will be shown in this paper. | ||
DOI • | reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-THPOR017 | |
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