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@inproceedings{hunchak:ipac2022-wepost011, author = {P.J. Hunchak and M. Aiba and W. Bartmann and M.J. Boland and Y. Dutheil and M. Hofer and R.L. Ramjiawan and F. Zimmermann}, % author = {P.J. Hunchak and M. Aiba and W. Bartmann and M.J. Boland and Y. Dutheil and M. Hofer and others}, % author = {P.J. Hunchak and others}, title = {{Studies on Top-Up Injection into the FCC-ee Collider Ring}}, booktitle = {Proc. IPAC'22}, % booktitle = {Proc. 13th International Particle Accelerator Conference (IPAC'22)}, pages = {1699--1702}, eid = {WEPOST011}, language = {english}, keywords = {injection, kicker, optics, collider, lattice}, venue = {Bangkok, Thailand}, series = {International Particle Accelerator Conference}, number = {13}, publisher = {JACoW Publishing, Geneva, Switzerland}, month = {07}, year = {2022}, issn = {2673-5490}, isbn = {978-3-95450-227-1}, doi = {10.18429/JACoW-IPAC2022-WEPOST011}, url = {https://jacow.org/ipac2022/papers/wepost011.pdf}, abstract = {{In order to maximize the luminosity production time in the FCC-ee, top-up injection will be employed. The positron and electron beams will be accelerated to the collision energy in the booster ring before being injected with either a small transverse or longitudinal separation to the stored beam. Using this scheme essentially keeps the beam current constant and, apart from a brief period during the injection process, collision data can be continuously acquired. Two top-up injection schemes, each with on- and off-momentum sub-schemes, viable for FCC-ee have been identified in the past and are studied in further detail to find a suitable design for each of the four operation modes of the FCC-ee. In this paper, injection straight optics, initial injection tracking studies and the effect on the stored beam are presented. Additionally, a basic proxy error lattice is introduced as a first step to studying injection into an imperfect machine.}}, }