{"title":"SLS 2.0 - 瑞士光源的升级版","authors":"Philip R. Willmott, Hans Braun","doi":"10.1080/08940886.2024.2312059","DOIUrl":null,"url":null,"abstract":"The Swiss Light Source (SLS) will be upgraded by replacing the storage ring in the existing hall in 2023Ű24. The SLS lattice build from 12 triple-bend arcs operating at 2.4 GeV is replaced by a 12 × 7-BA lattice operating at 2.7 GeV to increase hard X-ray brightness by a factor 60. The layout is constrained by the existing tunnel to 288 m circumference, nevertheless a low emittance of 158 pm is realized using longitudinal gradient and reverse bends. Dynamic aperture is suicient to start with classical injection based on a 4-kicker bump. An upgrade path for on-axis injection with fast kickers has been implemented. Small beam pipes of 18 mm inner diameter and corresponding reduction of magnet bores, and the use of permanent magnets for all bending magnets enables a densely packed lattice and contributes most to a reduction of total power consumption of the facility by 30%.","PeriodicalId":503466,"journal":{"name":"Synchrotron Radiation News","volume":"116 2","pages":""},"PeriodicalIF":0.0000,"publicationDate":"2024-03-01","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"1","resultStr":"{\"title\":\"SLS 2.0 – The Upgrade of the Swiss Light Source\",\"authors\":\"Philip R. Willmott, Hans Braun\",\"doi\":\"10.1080/08940886.2024.2312059\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"The Swiss Light Source (SLS) will be upgraded by replacing the storage ring in the existing hall in 2023Ű24. The SLS lattice build from 12 triple-bend arcs operating at 2.4 GeV is replaced by a 12 × 7-BA lattice operating at 2.7 GeV to increase hard X-ray brightness by a factor 60. The layout is constrained by the existing tunnel to 288 m circumference, nevertheless a low emittance of 158 pm is realized using longitudinal gradient and reverse bends. Dynamic aperture is suicient to start with classical injection based on a 4-kicker bump. An upgrade path for on-axis injection with fast kickers has been implemented. Small beam pipes of 18 mm inner diameter and corresponding reduction of magnet bores, and the use of permanent magnets for all bending magnets enables a densely packed lattice and contributes most to a reduction of total power consumption of the facility by 30%.\",\"PeriodicalId\":503466,\"journal\":{\"name\":\"Synchrotron Radiation News\",\"volume\":\"116 2\",\"pages\":\"\"},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-03-01\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"1\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Synchrotron Radiation News\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.1080/08940886.2024.2312059\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Synchrotron Radiation News","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.1080/08940886.2024.2312059","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
The Swiss Light Source (SLS) will be upgraded by replacing the storage ring in the existing hall in 2023Ű24. The SLS lattice build from 12 triple-bend arcs operating at 2.4 GeV is replaced by a 12 × 7-BA lattice operating at 2.7 GeV to increase hard X-ray brightness by a factor 60. The layout is constrained by the existing tunnel to 288 m circumference, nevertheless a low emittance of 158 pm is realized using longitudinal gradient and reverse bends. Dynamic aperture is suicient to start with classical injection based on a 4-kicker bump. An upgrade path for on-axis injection with fast kickers has been implemented. Small beam pipes of 18 mm inner diameter and corresponding reduction of magnet bores, and the use of permanent magnets for all bending magnets enables a densely packed lattice and contributes most to a reduction of total power consumption of the facility by 30%.
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