HL-LHC BGI meeting

Europe/Zurich
865/1-B03 (CERN)

865/1-B03

CERN

12
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Gunn Khatri (CERN), James Storey (CERN)
Description

This is a first meeting of 2024 to start discussing HL-LHC BGI (will repeat monthly).

Present:

Juri, Clara, Mark, Gabriela, Wilfried, Gunn

 

Clara Presentation:

  • using 3D of 4Dphoton design, old magnet from D. Bodart and see if we can fit in and made a conceptual design
  • Swan thesis - found some details
  • Uncertainty <5% in profile error (IPM, CST)
  • Goals and considerations
  • 1st design concept with L shape top chamber for HV feedthrough (slide 7), hard to imagine how to attach HV to cathode.
  • IPM simulations by Clara, CF250 flange seems good based on the error and size tradeoff
  • Likely need to increase gap of magnet opening by at least 20mm
  • Few conceptual design sketches drawn up to address on how the chamber layout and how the HV feedthrough will go in.
  • Some more ideas came up (30 degree angle feedthrough etc).
  • Suggestion on welding the HV feedthrough directly on the flange instead of connecting through a CF40 flange
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