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RIS citation export for MOPGW059: Dynamic Aperture Limitation in e⁺ e⁻ Colliders due to Synchrotron Radiation in Quadrupoles

AU  - Bogomyagkov, A.V.
AU  - Glukhov, S.A.
AU  - Levichev, E.B.
AU  - Sinyatkin, S.V.
ED  - Boland, Mark
ED  - Tanaka, Hitoshi
ED  - Button, David
ED  - Dowd, Rohan
ED  - Schaa, Volker RW
ED  - Tan, Eugene
TI  - Dynamic Aperture Limitation in e⁺ e⁻ Colliders due to Synchrotron Radiation in Quadrupoles
J2  - Proc. of IPAC2019, Melbourne, Australia, 19-24 May 2019
CY  - Melbourne, Australia
T2  - International Particle Accelerator Conference
T3  - 10
LA  - english
AB  - In a lepton storage ring of very high energy (e.g. in the e⁺e⁻ Higgs factory) synchrotron radiation from quadrupoles constrains transverse dynamic aperture even in the absence of any magnetic nonlinearities. This was observed in tracking for 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 varies transverse focusing strength at the same frequency and creates a parametric resonance of the betatron oscillations with unusual properties. It occurs at arbitrary betatron frequency and the magnitude of the parameter modulation of the betatron oscillation depends on the oscillation amplitude. Equilibrium between the radiation damping and the resonant excitation gives the boundary of the stable motion. Here we continue comparison of tracking results with analytical calculations of the parametric resonance.
PB  - JACoW Publishing
CP  - Geneva, Switzerland
SP  - 221
EP  - 224
KW  - quadrupole
KW  - radiation
KW  - synchrotron
KW  - betatron
KW  - synchrotron-radiation
DA  - 2019/06
PY  - 2019
SN  - 978-3-95450-208-0
DO  - DOI: 10.18429/JACoW-IPAC2019-MOPGW059
UR  - http://jacow.org/ipac2019/papers/mopgw059.pdf
ER  -