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)
Last update : 01/17 2017 (2123)