= LhARA pre-CDR Meeting 14th Jan 2020 = == Meeting details == 15:00 Room 532, Blackett Lab. Zoom details: Join Zoom Meeting https://ukri.zoom.us/j/865262978 Phone one-tap: United Kingdom: +442034815237!,,865262978# or +442039663809!,,865262978# Join by Telephone For higher quality, dial a number based on your current location. United Kingdom: +44 203 481 5237\\ +44 203 966 3809\\ +44 131 460 1196\\ +44 203 051 2874 0800 031 5717 Meeting ID: 865 262 978 Join from an H.323/SIP room system H.323: 162.255.37.11 (US West) 162.255.36.11 (US East) 221.122.88.195 (China) 115.114.131.7 (India) 213.19.144.110 (EMEA) 103.122.166.55 (Australia) 209.9.211.110 (Hong Kong) 64.211.144.160 (Brazil) 69.174.57.160 (Canada) 207.226.132.110 (Japan) Meeting ID: 865 262 978 International numbers https://ukri.zoom.us/u/ap9aBI2Eh SIP: 865262978@zoomcrc.com \\ Skype for Business (Lync) https://ukri.zoom.us/skype/865262978 \\ Skype on a SurfaceHub SIP: 865262978@lync.zoom.us https://ukri.zoom.us/skype/865262978 == Agenda == * Action items from last meeting. * WS to send JPar snapshot of beamline. * 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. * [https://ccap.hep.ph.ic.ac.uk/trac/raw-attachment/wiki/Research/DesignStudy/PreCDR/In%20vitro%20end%20station%20floor%20plan%20v2.docx Version 2 of the in vitro floor plan.] * Infrastructure and Integration. * Project plan for the delivery of LhARA. * Safety. * End-to-end simulation. * Instrumentation. * A.O.B. == Notes == Participants: AK, WS, JPas, KL, Jpo, HTL, CW\\ Apologies: * Laser * Input beam produced by HTL. Try to get OE to take a look and ask about progress with 3D simulations. * Capture * JPo: Will get different focal points for both solenoids and Gabor lens when using a beam with an energy spread. * JPas: will calculate electric field matrix for Gabor lens. * CW: more work on electric field modelling. Looking at breakdown, current design should be resistant. * CW: differential pumping calculations updated now have 3 orders of magnitude pressure drop. Need to get input from the laser guys. * CW to circulate document. * Beam transport * JPas has updated the stage 1 lattice. * Simulation files have been updated to include 5cm without space charge and 5cm with space charge and then run in BDSIM and GPT. * Rebunching cavities for stage 1: * 1st cavity is for phase rotation. * Collimator between lenses 3 and 4. * 2nd is for rebunching after lens 4. (to rotate and shorten bunch). * R&D plan due in 2 weeks. AK will circulate the Initial draft. == Action items == * Discuss input beam with OE and GH. * JPas to calculate electric field matrix for Gabor lens. * CW to circulate document on laser capture interface. * AK to circulate initial draft of project plan.