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@inproceedings{etisken:ipac2021-mopab032, author = {O. Etisken and F. Antoniou and K. Oide and Y. Papaphilippou and F. Zimmermann and A.K. Çiftçi}, title = {{Estimates of Collective Effects for the FCC-e⁺e⁻ Pre-Booster Ring}}, booktitle = {Proc. IPAC'21}, pages = {148--151}, eid = {MOPAB032}, language = {english}, keywords = {impedance, electron, injection, emittance, collective-effects}, 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-MOPAB032}, url = {https://jacow.org/ipac2021/papers/mopab032.pdf}, note = {https://doi.org/10.18429/JACoW-IPAC2021-MOPAB032}, abstract = {{The FCC-e⁺e⁻ injector complex needs to produce and to transport high-intensity e⁺ and e⁻ beams at a fast repetition rate for topping up the collider at its collision energy. Two different options are under consideration as pre-accelerator before the bunches are transferred to the high-energy booster: either using the existing SPS machine or designing a completely new ring. The purpose of this paper is to present the studies of collective effects with analytical estimates for both the pre-booster ring design options including space charge (SC), longitudinal micro-wave instability (LMI), transverse mode coupling instability (TMCI), ion effects, electron cloud (e-cloud), coherent synchrotron radiation (CSR), and intra-beam scattering (IBS).}}, }