Accelerator Performance Optimization Strategies
Explore innovative methods to enhance performance and reduce impedance in particle accelerators. Cover topics such as performance degradation, beam stabilization, and beam improvement techniques.
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Presentation Transcript
ARIES APEC goals 1. Ranking of performance degrading mechanisms for hadron storage rings and synchrotrons 2. Summary of novel methods to reduce accelerator impedance 3. Report on optimal RAMS characteristics for particle accelerators
performance limitations w.r.t. brightness, intensity, beam lifetime, beam loss or polarization single bunch effects - space charge - single-bunch instabilities (TMCI, ) multi bunch effects - longitudinal coupled-bunch instabilities - resistive wall instability - transverse coupled-bunch head-tail instabilities - RF power - electron cloud polarization deagrdation -depolarisation
beam stabilization methods feedback systems - bunch-by-bunch, wide-band intrabunch, narrow-band do we need a demonstration of the narrow-band feedback Landau damping - octupoles classical approach, most harmful? - electron lens - RF quadrupole - 2ndorder chromaticity polarization control -control of stable spin direction, tune, orbit
beam improvement methods beam cooling - 6D stochastic cooling - classical electron cooling - coherent electron cooling - laser cooling - synchrotron radiation damping painting - self-consistent distribution - halo control
