Run 2c Spectrometer Dipole Chamber Specifications

Europe/Zurich
6/R-012 - conference room (CERN)

6/R-012 - conference room

CERN

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65986392835
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Marlene Turner
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AWAKE Run 2c – Spectrometer Design Chamber
Participants: Maria-Carmen, Fern, Collette, Nicolas, David, Marlene


Discussion Summary

1. Window Design

  • Two window options are planned:

    • Reuse an existing ~2 mm thick aluminum window (used in Run 1).

    • Design a second window for the high-energy side featuring a transparent ~2-inch diameter window (for OSR) surrounded by steel or another robust material.

  • The window should be positioned outside the magnet yoke, especially if it needs to be replaceable.

2. Window Angle

  • Final angle does not need to be fixed immediately unless it’s perpendicular, which could lead to integration issues on the high-energy side.

  • Initial decision: Use 14 degrees for the first version.

    • Action: Joe and David to finalize the optimal angle, considering screen imaging constraints (e.g. 0° is not ideal for installing cameras near the beamline).

3. Chamber Reinforcements

  • Evaluate where reinforcement ribs are needed and whether they can be placed outside the yoke.

  • A mechanical simulation is necessary to confirm the structural integrity.

4. Chamber Diameter (Downstream of Plasma)

  • Current upstream diameter is 72 mm; inside chamber diameter is 64 mm.

  • Action: Marlene to assess whether a wider downstream diameter is feasible and report back to Nicolas.

5. Timeline

  • Nicolas will circulate the first draft of the chamber design by early August.

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