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    AWAKE spectrometer meeting

    → Europe/Zurich
    4/S-020 (CERN)

    4/S-020

    CERN

    10
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    AWAKE.BI.status.Jan.2017.pdf
    AWAKE.BI.status.Jan.2017.pptx
    Supports miroirs.pdf
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    AWAKE Spectrometer meeting - 17/Jan/2017

    Present: Fearghus, Lawrence, Matthew, Michele, Simon, Stefano

     

    Stefano

    - Optical table in final position in experiment: space to move around; note that ground is sloped.

    - Done orders for (uncoated) mirrors this morning.

      -> Recovered mirrors from GIF facility and to send to Thomas Schneider for testing.

    - Updated versions for supports.  Focusing on larger mirrors first.

      -> Contact ESO people for their opinion on design.

    -> Check that components are perpendicular to gravity, ground, or ?  Mirrors should be aligned to screen.  No wedge ?  Check and discuss with design office.

    -> UPS: will look into it soon.

     

    Fearghus

    - From Integration meeting.  Josh and Marlene want to put a table near the spectrometer.  It is on the other side of the optical line, but affects the (emergency) access route.

      -> To ensure this does not go through light path.

      -> "Access" tunnel (between hall and camera) is not needed for anything else and so we can block off as much as we like.

    - Old aluminium window received and tested.  Is 1.85 mm.  Deflection at centre is 0.1 mm.

      -> Fearghus looking at effect of air gap and will include in his write-up.

     

    Lawrence

    - Latest workpackage description document circulated.

      -> Lawrence to update; then Fearghus; then Stefano; and then Michele

    - Lens filter

      -> Lawrence to check, send around specification and Stefano to order.

    - Scintillator screen

      -> Sent an e-mail to TMS Vacuum Components who also make these screens

      -> Need to phone Scintacor.

    - Water cooler

      -> Waiting for quote.

     

    Michele

    - Working on document describing camera DAQ.

    - Acquisition with OASIS / scope ?

      - Scope can save everything, e.g. recording for a day and then transferring to PC.

      -> Decide once Michele has been to CERN in February.

     

    Simon

    - Old model of spectrometer, with beam dump, camera a few metres away, etc. still in the CAD drawings.

      -> Detail, send to Fearghus and have them removed.

     

    Next meeting: Tuesday 31 January at 11:00 / 12:00 (UK / CERN)

     

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