= 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.