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Positronium is an ideal system for the research of QED in the bound state. The hyperfine splitting of positronium (Ps-HFS: about 203 GHz)is a good tool to test QED and also sensitive to new physics be...
Measurement of Positronium hyperfine splitting with quantum oscillation
QED positronium quantum oscillation
2010/3/16
Interference between different energy eigenstates in a quantum system results in an observable oscillation with a frequency which is proportional to the difference in energy between the states. Such a...