17–22 May 2026
C.I.D
Europe/Zurich timezone

Using chromaticity to suppress instabilities at $\gamma_t$ transition

THP5344
21 May 2026, 16:00
2h
C.I.D

C.I.D

Deauville, France
Board: Thursday baguette: BF06
Poster Presentation MC5.D06: Coherent and Incoherent Instabilities Measurements and Countermeasures Poster session

Speaker

Michael Balcewicz (Fermi National Accelerator Laboratory)

Description

For many synchrotrons which cross $\gamma_t$ transition, a high intensity threshold has been identified beyond which significant beam losses are observed. These losses are due to a a high intensity mode coupling instability, which can be suppressed by adjusting the chromaticity curve to cross zero slightly after $\gamma_t$ transition. This has been shown to be effective at several accelerators, including the Fermilab Booster.

Paper status Proceeding files received

Author

Michael Balcewicz (Fermi National Accelerator Laboratory)

Co-author

Jeffrey Eldred (Fermi National Accelerator Laboratory)

Presentation materials