For the first time, physicists have watched a beam of positronium, a short‑lived atom made of an electron and its antimatter ...

First experimental observation of matter-wave diffraction in a short-lived electronpositron atom using a graphene-based ...

For the first time, researchers from Tokyo University of Science have observed wave-like interference patterns from ...

“Positronium is the simplest atom composed of equal-mass constituents, and until it self-annihilates, it behaves as a neutral ...

The intermediate range order of covalent glasses has been extensively studied in terms of the first sharp diffraction peak (FSDP), but the direct observation of the atomic density fluctuations that ...