LhARA pre-CDR Meeting 18th Feb 2020

Meeting details

14:00 Room 532, Blackett Lab.

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Agenda

• Action items from last meeting.
  • JPas to send AK beta and alpha as a function of S (calculated by BeamOptics).

• System updates.
  • Laser driven proton and ion source.
  • Proton and ion capture.
  • Stage 1 beam transport: Beam transport and delivery to the in vitro end station.
  • Stage 2 beam transport: Post-acceleration and beam delivery to the in vivo end station.
  • Biological end stations.
  • Infrastructure and Integration.
  • Project plan for the delivery of LhARA.
  • Safety.
  • End-to-end simulation.
  • Instrumentation.
• R&D plan and schedule.
• Writing the pre-CDR.
• A.O.B.

Notes

Participants: AK, GA, JPar, HTL, WS, KL, JMat
Apologies: JPas

• Action items
  • JPas to send AK beta and alpha as a function of S (calculated by BeamOptics).
    • Stands
• System updates
  • Laser
    • AK to arrange meeting to discuss R&D plan and write up.
  • Capture
    • Meeting on Friday with Colin and KL to discuss R&D plan.
    • KL: Arranging meeting to coordinate the work.
  • Beam transport
    • WS: Updating Stage 1 design to get alpha to 0.
      • Couldn't find solution.
      • Lattice CCAP-v5 gives an elliptical beam in the end station.
      • Looked at updating previous lattices.
      • Using octopole after lens 5 (which now must be a solenoid) gives a more uniform distribution.
    • AK to arrange meeting to discuss writing up.
    • HTL:
      • JPas looked at HTL's design in BeamOptics. Beta was getting very small in places.
      • Looking for new solution to avoid this. Found minimum beta of about 1cm but this may still have problems with space charge.
      • HTL to look at simulating this using GPT.
  • End stations - JPar
    • Waiting on finalising the beam line before updating floor plan.
    • Discussed R&D plan. For the end stations that is automation of placing samples in the beam line.
    • Collaboration with Birmingham. Currently looking for space to build lab there.
    • Will do preliminary flash research in the next few weeks
    • Kristoffer Petersson, now at Oxford was Lausanne, working on FLASH. Look to collaborate. They have a flash electron machine, which would complement our protons.
    • Will hopefully go to Manchester on the 5th March.
  • Infrastructure and integration - GA
    • Updates to layout waiting on design being finalised.
    • Started writing.
    • Spoke to CLF. Have a paragraph on safety from them. References to existing lasers. Other issues will be solved with EPAC.
      • CLF mentioned shielding should be between target and laser room to allow work on the laser outside the radiation area.
    • Progress with costing. Should have something to circulate on Monday.
    • GA to circulate template spreadsheet for costing to WPMs.
  • Instrumentation.
  • R&D plan
    • Meetings with WPMs to update details.
    • Should be completed Monday next week.
  • Write up
    • Review write up in Tuesday meeting next week.

Action items

• JPas to send AK beta and alpha as a function of S (calculated by BeamOptics).
• AK to arrange meeting with OE and ZN to discuss R&D plan and write up.
• GA to circulate template spreadsheet for costing to WPMs.
• AK to circulate detailed R&D plan and schedule.