Abstract
Progress made towards the production of antihydrogen by antiproton–positronium collisions is surveyed. This includes an outline of how antiprotons ejected in short bursts from the low energy antiproton ring (LEAR) at CERN are captured, cooled, and stored in a Penning trap. Details are given of how a source of low-energy positrons can be interfaced to this trap to promote antihydrogen formation. Production rates and a possible scenario are outlined. We conclude with some comments on what might happen after the closure of LEAR, currently scheduled to take place at the end of 1996.
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