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HL-LHC BGI - mechanical design update

Europe/Zurich
864/2-B14 - SALLE J.B.ADAMS (CERN)

864/2-B14 - SALLE J.B.ADAMS

CERN

25
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Dominique Bodart (CERN), Gunn Khatri (CERN), James Storey (CERN)

Draft:

Present:

Mark, Laurene, Gunn, James, William,

 

Discussion:

  • Laurene presented latest instrument 3D design based on the anode/cathode dimentions provided by Gunn from CST
  • The design now has at least 10 mm vacuum gap from pipe to cathode (beam pipe is modified to acomodate larger gap)
  • The ceramic standoff is 14mm with ribs for longer HV creeping distance
  • The design as it is should be good to send to the RF impedance team for check
  • Timepix thermal anchoring - some brain storming, Laurene will try to implement some changes but should not affect the RF impedance
  • RFshield thickness and holes: hole can be smaller if the shield is not thick enough (SPS has 8.5mm, here presented is 3mm)
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