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Bunch length monitor locations AWAKE beam-lines
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Europe/Zurich
Bunch length monitor locations AWAKE beam-lines
Present: Steffen Doebert, Eleonora Belli, Collette Pakuza
Proposed locations for bunch length monitor for 18 MeV and 150 MeV are presented and discussed.
No issues with these locations from Steffen and Eleonora's perspective.
18 MeV line
Some considerations:
| Shot-to-shot | Can measure the electron shot when protons are present | Triplet before for focusing | Bunch length just before plasma 1 | |
| 1b | Yes | Yes | No - doublet | No - before dogleg |
| 1c | Yes | No | Yes | Yes |
| 1d | No | No | Yes | No- before dogleg |
Information pending:
Compression in the 18 MeV line - Action -> Eleonora to let BI know what the compression in the 18 MeV line is.
150 MeV line
Compression around 30%, 300 fs vs 200 fs. This may change slightly depending on the new magnet positions (due to updated experimental specifications provided to Eleonora by the Experimental Team). Action -> Eleonora to let BI know new magnet positions and compression.
AOB
- BPM3 can be removed in the 150 MeV line.
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