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@inproceedings{ren:ipac2021-wepab263,
author = {Z.L. Ren and Z.H. Bai and J.J. Tan and L. Wang and H. Xu and P.H. Yang},
title = {{Complex Unit Lattice Cell for Low-Emittance Synchrotrons}},
booktitle = {Proc. IPAC'21},
pages = {3254--3256},
eid = {WEPAB263},
language = {english},
keywords = {lattice, sextupole, emittance, focusing, synchrotron},
venue = {Campinas, SP, Brazil},
series = {International Particle Accelerator Conference},
number = {12},
publisher = {JACoW Publishing, Geneva, Switzerland},
month = {08},
year = {2021},
issn = {2673-5490},
isbn = {978-3-95450-214-1},
doi = {10.18429/JACoW-IPAC2021-WEPAB263},
url = {https://jacow.org/ipac2021/papers/wepab263.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-WEPAB263},
abstract = {{To reach the real diffraction-limited emittance, it is generally required to increase the number of bends in multi-bend achromat (MBA) lattices that are used in the designs of fourth-generation synchrotron light sources. For an MBA lattice with distributed chromatic correction, more bends mean much tighter space and much stronger magnets. Inspired by the hybrid MBA lattice concept, in this paper we propose a new lattice concept called complex unit lattice cell, which can save space and reduce magnet strengths. A 17BA lattice based on the complex unit cell concept is designed for a 3 GeV synchrotron light source with a circumference of 537.6 m, which reaches a natural emittance of about 21 pm·rad. Comparison is also made between this 17BA lattice and the 17BA lattice with distributed chromatic correction to demonstrate the merit of the complex unit cell concept.}},
}