Speaker
Jihong Bian
(Tsinghua University)
Description
In a storage ring with an extremely small global phase slippage, the bunch length can vary significantly within one turn due to the partial phase slippage and transverse-longitudinal coupling, which means the adiabatic approximation usually adopted for longitudinal dynamics breaks down. The impact of such a bunch length variation and exchange of the head and tail part of the beam arising from the partial phase slippage on the coherent synchrotron radiation (CSR) induced longitudinal microwave instability (MWI) threshold has recently been theoretically investigated by some of the authors*. In this work, we have extended the study to consider the influence of transverse-longitudinal coupling.
Footnotes
- Bian, J. H., et al. "Threshold studies of coherent synchrotron radiation induced microwave instability beyond adiabatic approximation." Physical Review Accelerators and Beams 28.7 (2025): 074401.
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Author
Jihong Bian
(Tsinghua University)
Co-authors
Xiujie Deng
(Tsinghua University)
Arne Hoehl
(Physikalisch Technische Bundesanstalt Institut Berlin)
Wenhui Huang
(Tsinghua University)
Arnold Kruschinski
(Helmholtz-Zentrum Berlin für Materialien und Energie)
Carsten Mai
(Helmholtz-Zentrum Berlin für Materialien und Energie)
Markus Ries
(Helmholtz-Zentrum Berlin für Materialien und Energie)
Chuanxiang Tang
(Tsinghua University)