Development of a buffer gas trap for the confinement of positrons and study of positronium production in the GBAR experiment 10/27/2017 Types d’événements Soutenances de thèse SpeakerAmélia MAIA LEITE Location Bat 713, salle de séminaires Galilée (Piano) Period 10/27/2017 Hoursfrom 2:00 PM at 3:00 PM IRFU/DPhP/GBAR Martine OGER