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@inproceedings{vanriesen-haupt:ipac2021-tupab005, author = {L. van Riesen-Haupt and T.K. Charles and R. Tomás García and F. Zimmermann}, title = {{Emittance Estimates for the Future Circular Collider}}, booktitle = {Proc. IPAC'21}, pages = {1338--1341}, eid = {TUPAB005}, language = {english}, keywords = {emittance, quadrupole, alignment, simulation, sextupole}, 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-TUPAB005}, url = {https://jacow.org/ipac2021/papers/tupab005.pdf}, note = {https://doi.org/10.18429/JACoW-IPAC2021-TUPAB005}, abstract = {{The alignment strategy of the FCC-ee has a large impact on its luminosity. Larger alignment tolerances result in increased coupling and a subsequently higher vertical emittance. At the same time, tighter alignment tolerances around the 100 km ring are a major cost driver. This paper applies analytical emittance estimate methods to the FCC-ee and compares their predictions to data from simulations with different alignment tolerances. These methods can be used to help understand the impact of misalignments of certain magnet groups and to come up with an efficient alignment strategy.}}, }