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| WEPOW038 |
Proposed Upgrade of the SLS Storage Ring |
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- A. Streun, M. Aiba, M. Böge, C. Calzolaio, M.P. Ehrlichman, A. Müller, Á. Saá Hernández, H.S. Xu
PSI, Villigen PSI, Switzerland
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A new storage ring is planned for the upgrade of the Swiss Light Source (SLS). It will replace the 12 triple bend achromats by twelve 7-bend achromats, which are based on low aperture longitudinal gradient bends (LGBs) and anti-bends (ABs), thus reducing the emittance from 5.0 nm to about 150 pm at 2.4 GeV while maintaining the source points of the undulator based beam lines. Sextupole and octupole strengths are determined using a multi-objective genetic algorithm (MOGA) and result in sufficient dynamic aperture for off-axis injection and several hours of Touschek lifetime. Superconducting LGBs of 5-6 T peak field will extend the photon range of the SLS up to 80-100 keV. The vacuum system will be based on a 20 mm inner diameter copper beam pipe with ante-chamber, and discrete getter pumps. It is planned to reuse the existing injector complex and the dynamically adjustable girder system.
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| DOI • |
reference for this paper
※ DOI:10.18429/JACoW-IPAC2016-WEPOW038
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