9/12/2004: The scientific comittee of Dapnia (Irfu) /SPP approves an R&D programme on methods leading to the production of antihydrogen using positronium.
15/04/2005: French Patent N° 2 852 480
11/2005: demonstration of the extraction of more than 1010 electrons from a Penning trap in less than 75 ns. This test was performed at the Atomic Physics Laboratory of RIKEN (Wako, Japan).
03/2008: SOPHI hardware arrived at the lab.
05/2008: A nanoporous SiO2 material converts 35% of incoming 2 keV e+ into o-Ps (with ETHZ, Orléans (CEMHTI), and Tsukuba-AIST).
Connection between slow positron beam line and RIKEN trap (March 2012)
Accumulation of positrons (2012)
Creation of target positronium downstream of trap (2013)
Excitation of Ps target with lasers (2014)