Mainz 2022 – scientific programme
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AKBP: Arbeitskreis Beschleunigerphysik
AKBP 14: Posters
AKBP 14.7: Poster
Thursday, March 31, 2022, 16:00–17:30, P
SRF Cavity and HOM Coupler Design for the W Working Point of the FCC-ee — •Sosoho-Abasi Udongwo1, Shahnam Gorgi Zadeh1, Rama Calaga2, and Ursula van Rienen1 — 1University of Rostock, Rostock, Germany — 2CERN, Geneva, Switzerland
The Future Circular electron-positron Collider (FCC-ee) is planned to operate with beam energies from 45.6 to 182.5 GeV and beam currents from 5.4 to 1390 mA to study the four operation points, the Z, W, H and tt. The energy and current specifications for the W working point are 80 GeV and 147 mA, respectively. Due to strong higher-order mode (HOM) effects, 2-cell 400 MHz elliptical SRF cavities are proposed for operation at this working point. This contribution summarises the RF design and optimization of the 2-cell cavity and its HOM couplers compatible with the W working point.