The position has a limited duration of three years from the start date. Laser plasma acceleration of ions and electrons attracts remarkable attention to drive novel types of applications thanks to the unique [...] using gaseous targets. Fundamental research into innovative mechanisms for accelerating electrons and ions from gaseous targets must be carried out in order to increase the average current delivered by these [...] student will be to complete the analysis and interpretation of the previous experiment on the LPA of ions carried out in 2022 by the Bordeaux team and to prepare, run, analyze and interpret the future ex