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TY - CONF AU - Etisken, O. AU - Antoniou, F. AU - Oide, K. AU - Papaphilippou, Y. AU - Zimmermann, F. AU - Çiftçi, A.K. ED - Liu, Lin ED - Byrd, John M. ED - Neuenschwander, Regis T. ED - Picoreti, Renan ED - Schaa, Volker R. W. TI - Estimates of Collective Effects for the FCC-e⁺e⁻ Pre-Booster Ring J2 - Proc. of IPAC2021, Campinas, SP, Brazil, 24-28 May 2021 CY - Campinas, SP, Brazil T2 - International Particle Accelerator Conference T3 - 12 LA - english AB - 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). PB - JACoW Publishing CP - Geneva, Switzerland SP - 148 EP - 151 KW - impedance KW - electron KW - injection KW - emittance KW - collective-effects DA - 2021/08 PY - 2021 SN - 2673-5490 SN - 978-3-95450-214-1 DO - doi:10.18429/JACoW-IPAC2021-MOPAB032 UR - https://jacow.org/ipac2021/papers/mopab032.pdf ER -