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    Meeting with CNAO

    → Europe/Zurich
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    Technical Specs

    Gas Injection

    • Marco says that gas injection/pressure bump should be fine
    • Vacuum should be 10e-6 (ideally 10e-07) after the pressure bump
    • Nitrogen may be ideal because they already use it in their accelerator

    Number of Ionised Electrons

    • Marco didn’t have strong convictions about what he wants/needs to see with the BGI (e.g. tail distributions, just mean position etc.)
    • Said to aim for ~1200 counts (this is what was given as standard)

    Mechanical Parameters

    • MBGI should be ideally 0.5 m in length - should be no more than 1 m long
    • More small/compact is better

    Plan Going Forward

    Prototype

    • Design prototype as if it is going into the new experimental beamline
    • Organize another meeting once conceptual design(s) are done, to discuss with CNAO
    • Test prototype in the experimental room at CNAO

    Other Considerations

    • What is the initial energy and angular velocity spread of ionisation electrons? Does IPM account for this?
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