50 | | Present: |
| 50 | Present: Ajit Kurup, Ken Long, Jason Parsons, Tim Greenshaw, Juergen Pozimski, Galen, Aymar, Ruth McLauchlan, Colin Whyte, Peter Ratoff, Will Shields |
| 51 | • Schedule |
| 52 | ○ JPo: Need to clarify the interfaces as there is overlap in the components, e.g. Gabor lens in the capture and beam line. |
| 53 | ○ CW: Need to discuss target location with respect to the first Gabor lens. |
| 54 | ○ JPo: Spoke with Zulfikar re debris, differential pumping, etc. Will set up another meeting including CW. |
| 55 | • Floor plan layout |
| 56 | ○ AK: Has someone been assigned to do the CAD drawings and do we have access to the previous drawings. |
| 57 | ○ GA: Someone will be assigned soon to do the CAD drawings and the previous drawings are in RAL's database. |
| 58 | ○ KL: best not to update the drawing for the end of November as details won't be fixed. |
| 59 | ○ JPo: better to make a list of changes. |
| 60 | ○ AK: Want to raise the issue of animal holding facilities and whether an on-site facility is needed (which would require a separate floor). |
| 61 | ○ JPar: Need some on-site facilities, e.g. holding facilities, but should consider how much space is needed. |
| 62 | ○ Following some discussion, it was decided that an animal house should not be included in the plans for LhARA but a holding facility will be needed. The size of this is to be determined taking into account the scope of the proposed radiobiology programme. |
| 63 | ○ AK to ask ZN and OE to specify total footprint of the laser and shielding requirements. |
| 64 | • Parameter table |
| 65 | ○ JPo: Parameters in the table will define the physical geometry of the Gabor lens and the nominal operating voltage. This is sufficient info to generate a field map (for tracking). |
| 66 | § KL: What about alternative technologies, i.e. solenoids. |
| 67 | § Following some discussion, it was decided that the equivalent solenoid field strength and lengths of the solenoids should be included in the parameter table. |
| 68 | ○ Beam transport |
| 69 | § Details in the parameter table should define the input and output beam. |
| 70 | § AK to discuss with JPas. |
| 71 | ○ Stage 2 needs to include another end station (also define the input and output beams). |
| 72 | ○ End stations - JPar. |
| 73 | § 30mm beam size would be better than 10mm. |
| 74 | □ AK: to follow up with JPas. |
| 75 | § Platform and robot for multiple irradiations. |
| 76 | § Clatterbridge experiments can go through 130 dishes at a time. |
| 77 | • Status updates |
| 78 | ○ Proton capture - JPo |
| 79 | § COMSOL needed for the EM simulation of the Gabor lens. |
| 80 | § Would be good to also do the plasma simulation in COMSOL. |
| 81 | § AK got a quote from COMSOL. Looking into options for reducing the cost. |
| 82 | ○ Beam transport - WS |
| 83 | § GPT studies to verify tracking with and without space charge. |
| 84 | • Instrumentation |
| 85 | ○ PPD will provide input to this. |
| 86 | ○ For the baseline, include a statement of the need for diagnostics and how they will be used, e.g. during commissioning and running. |
| 87 | • AOB |
| 88 | ○ KL: Steering group set up. Will have SG meetings. |
| 89 | § Add SG meetings to the wiki. |
| 90 | |
| 91 | = Action Items = |
| 92 | • JPo, CW, ZN and OE to meet to discuss details at the laser/proton capture interface. |
| 93 | • AK to update the interfaces documents to clarify areas where there are overlaps in the components. |
| 94 | • AK to clarify on the wiki what needs to be delivered for 29/11/19. |
| 95 | • AK to ask ZN and OE to specify total footprint of the laser and shielding requirements. |
| 96 | • AK to add solenoid details (from the GPT input file) to the parameter list document. |
| 97 | • AK to discuss with JPas what parameters should go in the parameter table for the beam transport. |
| 98 | • AK to note the instrumentation requirements for the definition of the baseline. |
| 99 | • AK to add details of the steering group meetings to the wiki. |