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@inproceedings{udongwo:ipac2021-tupab341,
author = {S. Udongwo and R. Calaga and S.G. Zadeh and U. van Rienen},
title = {{Optimization of Two-Cell Cavities for the W and H Working Points of the FCC-ee Considering Higher-Order Mode Effects}},
booktitle = {Proc. IPAC'21},
pages = {2292--2295},
eid = {TUPAB341},
language = {english},
keywords = {cavity, HOM, impedance, damping, ECR},
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-TUPAB341},
url = {https://jacow.org/ipac2021/papers/tupab341.pdf},
note = {https://doi.org/10.18429/JACoW-IPAC2021-TUPAB341},
abstract = {{The lepton collider of the future circular collider (FCC-ee) aims at conducting precision measurements on the Z, W, and H bosons and the top quark. The present RF baseline considers single-cell cavities at 400 MHz for the high current Z-pole working point, four-cell 400 MHz cavities for the W and H working points, and a hybrid RF system composed of four-cell 400 MHz and five-cell 800 MHz cavities for the high energy tt working point. The W working point has shown limitations in the achievable HOM damping for beam stability requirements using four-cell cavities. A two-cell cavity is studied as an alternative scenario for the current W- and H-RF setups with a special focus on HOM damping during the optimization of the RF geometry.}},
}