The Future Circular Collider (FCC) study aims at designing different options of a post- LHC collider. The high luminosity electron-positron collider FCC-ee based on the crab waist concept is considered as an intermediate step on the way towards FCC-hh, a 100 TeV hadron collider using the same tunnel of about 100 km. Due to a high intensity of circulating beams the impact of collective effects on FCC-ee performance has to be carefully analyzed. In this paper we evaluate beam coupling impedance of the FCC-ee vacuum chamber, estimate thresholds and rise times of eventual single- and multibunch beam instabilities and discuss possible measures to mitigate them.
Study of collective effects in the FCC-ee collider / Zobov, M.; Belli, E.; Castorina, G.; Migliorati, M.; Persichelli, S.; Rumolo, G.; Spataro, B.. - In: JOURNAL OF PHYSICS. CONFERENCE SERIES. - ISSN 1742-6588. - 1238:1(2019), p. 012061. [10.1088/1742-6596/1238/1/012061]
Study of collective effects in the FCC-ee collider
Belli E.;Castorina G.;Migliorati M.;Persichelli S.;Spataro B.
2019
Abstract
The Future Circular Collider (FCC) study aims at designing different options of a post- LHC collider. The high luminosity electron-positron collider FCC-ee based on the crab waist concept is considered as an intermediate step on the way towards FCC-hh, a 100 TeV hadron collider using the same tunnel of about 100 km. Due to a high intensity of circulating beams the impact of collective effects on FCC-ee performance has to be carefully analyzed. In this paper we evaluate beam coupling impedance of the FCC-ee vacuum chamber, estimate thresholds and rise times of eventual single- and multibunch beam instabilities and discuss possible measures to mitigate them.File | Dimensione | Formato | |
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