Sentence examples for positronium from inspiring English sources

The collision of a positron and an electron results in the intermediate production of a short-lived atomlike system called positronium, which decays in about 10-7 second into two gamma rays.

A positron, which may originate in radioactive decay or, more commonly, in the interactions of cosmic rays in matter, usually combines briefly with an electron to form a quasi-atom called positronium.

The properties of positronium corroborate the quantum theory of electrodynamics for a two-particle system.

Nevertheless, the final fate of these positronium atoms is sealed from the moment they form.

Positronium, short-lived hydrogen-like atom composed of an electron and a positron (rather than an electron and a proton) arising as a positron is slowed down in matter and captured by an electron.