14th Injection Region Design Meeting

Thursday 9 Apr 2026, 11:00 → 12:00 Europe/Zurich

CERN

Installation sequence discussed

1. Emptying of the existing TCC4 racks
2. Shipment of the empty racks to the UK
3. Reinstallation of the racks in TCC4 (rack gallery)
4. Installation of the racks in TCV4
5. Cabling between TCC4 and TCV4 racks by EN-EL

Installation duration

• 11 weeks foreseen for installation ok, including:
  6. Installation of supports
  7. Installation and connection of the vapor source
• After that, testing of control system

Points to keep in mind

• Hole drilling for the supports is foreseen for 27 February.
• The injection region dipole magnet should be installed on the CERN alignment system, as indicated in the e-beamline drawing.
  • Action (Jim): add this to the CAD.
• Feedback to Tobias: the 11-week installation block is acceptable.
• Action (Justin): share the document on the previous installation sequence.
• Action (Marlene): start preparing the next installation sequence.

Planning

• Justin shared the plan up to the end of June.
• Agreement on this timeline.

Diagnostics for the test chamber

Marlene will share the list of diagnostics for the test chamber, including:

• Wire scanner
• Waist screen
• 2 × alignment screens
• Cavity BPM
• Beam Arrival Monitor
• OSR
• EOS
• ICT

Other points

• Update needed on heat load and electrical infrastructure --> Action: Marlene to follow up
• Action (Marlene): set up a weekly meeting.
• In-person review at CERN: 30 April