Antihydrogen for precision tests in physics

The creation of atoms of antihydrogen under controlled conditions has opened up a new era in physics with antimatter. We describe the experimental realisation of low energy antihydrogen, via the mixing of carefully prepared clouds of positrons and antiprotons, and some of the progress that has been made in the last few years in characterising properties of the nascent anti-atoms. Ongoing efforts aimed at trapping the anti-atoms in magnetic field minima are discussed. Some of the motivations for undertaking experiments with antihydrogen are presented.

M. Charlton, S. Jonsell, L.V. Jørgensen, N. Madsen and D.P. van der Werf, Cont. Phys. 49, 29 (2008)