Modelling The TARANIS XGRE Insturment For Terrestrial Gamma Ray Flashes and Associated Electron Beams

David Sarria1, Francois Lebrun2, Pierre-Louis Blelly3, Francois Forme1, Philippe Laurent4, Damien Pailot5 and Rémi Chipaux6, (1)IRAP, Toulouse, France, (2)Astro-particules et Cosmologie, High energy astrophysics, Paris, France, (3)Université Toulouse III - Paul Sabatier, Observatoire Midi–Pyrénées, CNRS, CNES, IRAP, Toulouse, France, (4)CEA, DSM/IRFU, Saclay, France, (5)Astroparticule et Cosmologie, CNRS, Université Paris Cité, Paris, France, (6)CEA, DSM//IRFU/SEDI/DEPHYS, Paris, France