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| WEPAB074 |
A Distributed Sextupoles Lattice for the ALBA Low Emittance Upgrade |
2762 |
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- G. Benedetti, M. Carlà, U. Iriso, Z. Martí, F. Pérez
ALBA-CELLS Synchrotron, Cerdanyola del Vallès, Spain
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The first lattice studied in 2019 for the ALBA upgrade was a 7BA lattice with two dispersion bumps, for localised chromatic correction. That lattice had limited dynamic aperture and momentum acceptance. In 2020 we started to explore a different approach to find an MBA lattice with distributed chromatic correction that meets the same emittance goal with larger dynamic aperture and momentum acceptance. The choice of the number of bendings per cell, as well as the tuning of the magnet gradients, is carried out by developing a light weight solver that performs both the emittance and chromaticity optimisation of the arcs and the matching of the linear optics in the straight sections. We present the status of the storage ring upgrade studies, the performance of the new developed lattice, together with the issues related with the injection scheme.
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| DOI • |
reference for this paper
※ https://doi.org/10.18429/JACoW-IPAC2021-WEPAB074
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| About • |
paper received ※ 19 May 2021 paper accepted ※ 16 June 2021 issue date ※ 22 August 2021 |
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