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(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
Studies of antimatter are important for understanding our universe at a fundamental level. There are still unsolved problems, such as the matter-antimatter asymmetry in the universe. The AEgIS experiment at CERN aims at ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
The AEgIS (Antimatter Experiment: Gravity, Interferometry, Spectroscopy) is a CERN based experiment with the central aim to measure directly the gravitational acceleration of antihydrogen. Antihydrogen atoms will be produced ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
We describe a multi-step “rotating wall” compression of a mixed cold antiproton–electron non-neutral plasma in a 4.46 T Penning–Malmberg trap developed in the context of the AEḡIS experiment at CERN. Such traps are routinely ...
(Journal article / Tidsskriftartikkel / PublishedVersion; Peer reviewed, 2018)
Producing positronium (Ps) in the metastable 2 3 S state is of interest for various applications in fundamental physics. We report here on an experiment in which Ps atoms are produced in this long-lived state by spontaneous ...