Speaker
Keon Hee Kim
(Grand Accélérateur National d'Ions Lourds)
Description
In a 4th generation electron storage ring, harmonic cavities are often employed for increasing bunch length and beam lifetime. Effective bunch lengthening can be achieved when the first derivative
of total accelerating voltage is near zero. However, the accelerating voltage fluctuation due to transient beam-loading (TBL) effect can affect the bunch lengthening in the harmonic cavity system.
Therefore, we utilize both a Haissinski equation solver and a macroparticle tracking code to predict equilibrium beam distribution under TBL effects. The equilibrium longitudinal beam distributions
obtained from both approaches are presented and cross-validated for various fill patterns.
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Author
Taeyoon Lee
(Korea University Sejong Campus)
Co-authors
Prof.
Eun-San Kim
(Korea University Sejong Campus)
Keon Hee Kim
(Grand Accélérateur National d'Ions Lourds)