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Comparison of Fundamental and Dual Harmonic RF Buckets

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Presentation on theme: "Comparison of Fundamental and Dual Harmonic RF Buckets"— Presentation transcript:

1 Comparison of Fundamental and Dual Harmonic RF Buckets
V0 Volts (KV) δV0 Θ (deg) @ time = 0.3 ms ~ peak trapping loss Bucket Phase length: deg, Acceptance: eVs Time (ms)

2 Operational theta Oct & Nov 07

3 1&2RF Operational Gapvolts Oct & Nov 07
2RF - ~9kV peak (on 2 cavities) >200uA for last day or so of last run!

4 Longitudinal Profile at 0ms
green µA Red µA Blue dot 230 µA Black µA

5 Longitudinal Profile at 0.25ms
green µA Red µA Blue dot 230 µA Black µA

6 Longitudinal Profile at 0.5ms
green µA Red µA Blue dot 230 µA Black µA

7 Operational delta October & Nov 07

8 October 2RF Machine Physics

9 Tweaked delta during 50Hz operations
delta changed by changing (slowly) antiphasing -> phasing rise time

10 Achievable delta cf Theoretical

11 Analysis of pulse shapes


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