Investigation Of Plasma Stability Of The Prototype Plasma Lens For Positron Matching Niclas Hamann, Harry Jones, Gregor Loisch, Manuel Formela, Kai Ludwig, Jens Osterhoff and Gudrid Moortgat-Pick EPJ Web Conf., 315 (2024) 02003 Published online: 18 December 2024 DOI: 10.1051/epjconf/202431502003