Hello everyone ! Nice to meet you all (again). Matthieu Valette (26) • Engineering school ENSTA Paris. Tech & INSTN => 2012 • • System Modeling (mesh generation, …) Numerical Simulation (FEM, FVM, parallel computing, PIC, …) Nuclear Reactors Physics Ph. D @ CEA Saclay => Dec. 2015 • “Beam Dynamic Studies for the IFMIF accelerator”
Part I: Prototype Commissioning • Numerical model for particle transport in the injector • Magnetic Measurement of Solenoids • Beam Measurement during Commissioning • Knowledge transfer to the Japanese team • Catalogue Beam Losses during Commissioning, Operation & Single Element/Sector Failure Part II: Beam Halo for High Intensity Linacs • 1 D (real space) Beam Halo definition • Link to Space Charge self field • 2 D (phase-space) Beam Halo definition • Link to Halo formation dynamic and transverse impulsion gain • Application to measurements, simulations, (machine tuning? )
Here at CERN: 3 year Fellowship • Post-Mortem analysis • Study of Abort Gap population and consequences on Losses during Beam Dump • Study the effect and mitigation methods for Quenches and Powering Failures on new elements for Hi-Lumi: Crab Cavities, large aperture IP Quadrupoles, … • Implementation of Diamond detectors in Control Room applications • And more … ?