Реферат: In a lepton storage ring of very high energy (e.g. in the e+e− Higgs factory) synchrotron radiation from quadrupoles constraints transverse dynamic aperture even in the absence of any magnetic nonlinearities. This was observed in LEP and the Future Circular e+e− Collider (FCC-ee). Synchrotron radiation in the quadrupoles modulates the particle energy at the double betatron frequency. Energy modulation variestransverse focusing strength at the same frequency and creates a parametric resonance of the betatron oscillations. Starting from 6d equations of motion we derive and solve the relevant differential equation describing the resonance, and show good agreement between analytical results and numerical simulation

Библиографическая ссылка: Bogomyagkov A. , Levichev E. , Sinyatkin S. , Glukhov S.
Dynamic Aperture Limitation in e+e− Colliders Due to Synchrotron Radiation in Quadrupoles
В сборнике Proceedings, 62nd ICFA Advanced Beam Dynamics Workshop on High Luminosity Circular e+ e- Colliders (eeFACT2018) : Hong Kong, China, September 24-27, 2018. – JACoW., 2018. – C.46-56. – ISBN 9783954502165. DOI: 10.18429/JACoW-eeFACT2018-TUOAB01 Scopus

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2-s2.0-85081105765

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