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* AWAKE spectrometer meeting
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Europe/Zurich
Present: Fearghus, Ishkhan, James, Matthew, Michele, Stefano
- UCL's new PhD student, James Chappell, was welcomed to the group. He will be working on:
o Measurement of emittance via a quad scan from AWAKE data from next year.
o Design of accelerated electron bunch beam diagnostics, i.e. energy + emittance, for AWAKE Run 2, also given experience of next year's measurement.
o Design considerations of electron beam @ 50 GeV for an ep collider when using AWAKE scheme to accelerate electrons.
Fearghus / Ishkhan / Stefano
- Installation of supports:
o Supports were received last week and sent to metrology.
o Geometers aligning today.
o Supports offset by ~ 40 mm compared to design due to holes in wrong place. Hopefully, okay, but we'll see.
o Fix final bars to floor and wall once alignment done.
o Once mounts are done, dark room and holes in wall/door will happen.
-> Marked hole in dark room to feed cables.
-> Marked hole for light path into dark room
-> Marked hole in fire wall.
-> Marked hole in yellow gate/door. Vertical extent known, but not horizontal extent.
- Calibration lamp holder being installed.
o Laser will initially be used for alignment.
- Phillippe measuring spectrometer distances too.
- To install camera/lens
- Mirror alignment next week.
- Fire-door window shipped and should arrive next week.
Michele
- Started discussion with Davide and Spencer on linking camera to 10 Hz trigger.
- Does not look doable.
- So use SPS trigger.
- For calibration, need to use s/w trigger; we need to be careful when calibrating.
- Veto circuit - can be done in 20 min by Electrical Engineer.
Matthew will catch up on status when next in CERN, 16-18/October.
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