|   | 51 | Participants: A Kurup, K Long, J Hughes, T Descalu, J Parsons, G Hicks, HT Lau, O Ettlinger, R McLauchlan, W Shields, C Whyte, J Matheson, C Hardiman.\\ | 
          
          
            |   | 52 | Apologies: J Pasternak, G Schettino. | 
          
          
            |   | 53 |  | 
          
          
            |   | 54 |  * Capture -TD | 
          
          
            |   | 55 |   * Looking to simulate the electron cloud in the Gabor lens and look at plasma instabilities. Issue with getting access to the VSIM code on the SCARF cluster. | 
          
          
            |   | 56 |   * KL: do you run VSIM at Strathclyde? CW: Yes. | 
          
          
            |   | 57 |   * CW:  | 
          
          
            |   | 58 |    * Now having weekly meetings. | 
          
          
            |   | 59 |    * Document on dimensions of initial design. | 
          
          
            |   | 60 |    * Bob will run some simulations to investigate diocotron instability. | 
          
          
            |   | 61 |    * Will try to look at how an e-beam can be used to fill the lens. | 
          
          
            |   | 62 |  * Simulation | 
          
          
            |   | 63 |   * Stage 1 | 
          
          
            |   | 64 |    * TD: replacing solenoid in the BDSIM simulation with Gabor lens fields. | 
          
          
            |   | 65 |     * Implemented transfer matrix and an idealised electric field map in BDSIM. | 
          
          
            |   | 66 |     * Issue with difference between ideal electric field map and the transfer matrix. | 
          
          
            |   | 67 |      * AK: Could this be due to the integrator? | 
          
          
            |   | 68 |      * WS: the matrix integrator will always be used for an r-matrix element. | 
          
          
            |   | 69 |    * HTL | 
          
          
            |   | 70 |     * Want to look at improving the input beam used in tracking simulations., i.e. look at using Smilei. | 
          
          
            |   | 71 |   * Laser-target simulations. | 
          
          
            |   | 72 |    * OE: Previous 2D distribution came from a simulation of TNSA using a thin foil  using EPOCH. | 
          
          
            |   | 73 |    * OE: Resolution of a 3D simulation will be poor, 2D will be better resolved. | 
          
          
            |   | 74 |    * Discussion on generating 2D versus 3D. | 
          
          
            |   | 75 |    * GH: Documentation in the group to get Smilei up and running. Smilei can output at a different resolution than the simulation which EPOCH can't. | 
          
          
            |   | 76 |    * AK, OE, GH, HTL and TD to continue discussing details of how to proceed after this meeting. | 
          
          
            |   | 77 |   * Space charge | 
          
          
            |   | 78 |    * AK: would be good to investigate GPT algorithms (verify performance) and look at other algorithms/codes. | 
          
          
            |   | 79 |    * HTL: Would like to do this, depends if there's time. | 
          
          
            |   | 80 |    * KL: Is there still a plan to implement space charge in BDSIM? | 
          
          
            |   | 81 |     * WS: Yes but not immediately. | 
          
          
            |   | 82 |  * AOB | 
          
          
            |   | 83 |   * Publication: deadline for comments is Monday and then will be finalised. | 
          
          
            |   | 84 |   * Future meetings. | 
          
          
            |   | 85 |    * AK: Need to think about other activities that can be progressed given the lockdown situation.  | 
          
          
            |   | 86 |    * KL: Radiobiology? | 
          
          
            |   | 87 |     * JPar: Clatterbridge is still in lockdown. Maybe could get back in June. | 
          
          
            |   | 88 |      * Can keep everyone updated on ongoing analysis of previous experiments. | 
          
          
            |   | 89 |      * Discussion on how to coordinate this. | 
          
          
            |   | 90 |     * JPar to email regarding fixing the best time for regular meetings on radiobiology. | 
          
          
            |   | 91 | == Action items == | 
          
          
            |   | 92 |  * AK, OE, GH, HTL and TD to continue discussing details of how to proceed with the laser-target simulations. | 
          
          
            |   | 93 |  * JPar to email regarding fixing the best time for regular meetings on radiobiology. |