Speaker
Emily Howling
(John Adams Institute)
Description
The electron-positron Future Circular Collider (FCC-ee) has challenging requirements for beam instrumentation, including the need for thousands of high-resolution beam position monitors (BPMs) presenting low impedance to the circulating beam. This paper presents studies of different unusual pickup geometries including elliptical, asymmetric and retracted buttons. The impact of the different geometries on the simulated wake impedance and expected voltage signal of the pickups is explored and the potential benefits and disadvantages are described. These studies will inform the design of the FCC-ee arc BPM pickups.
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Author
Emily Howling
(John Adams Institute)
Co-authors
Marek Gasior
(European Organization for Nuclear Research)
Philip Burrows
(John Adams Institute)