ATHENA experiment
ATHENA, also known as the AD-1 experiment, was an antimatter research project at the Antiproton Decelerator at CERN, Geneva. In August 2002, it was the first experiment to produce 50,000 low-energy antihydrogen atoms, as reported in Nature. In 2005, ATHENA was disbanded and many of the former members of the research team worked on the subsequent ALPHA experiment and AEgIS experiment.
| ELENA | Extra low energy antiproton ring – further decelerates antiprotons coming from AD |
|---|---|
| AD experiments | |
| ATHENA | AD-1 Antihydrogen production and precision experiments |
| ATRAP | AD-2 Cold antihydrogen for precise laser spectroscopy |
| ASACUSA | AD-3 Atomic spectroscopy and collisions with antiprotons |
| ACE | AD-4 Antiproton cell experiment |
| ALPHA | AD-5 Antihydrogen laser physics apparatus |
| AEgIS | AD-6 Antihydrogen experiment gravity interferometry spectroscopy |
| GBAR | AD-7 Gravitational behaviour of anti-hydrogen at rest |
| BASE | AD-8 Baryon antibaryon symmetry experiment |
| PUMA | AD-9 Antiproton unstable matter annihilation |
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