THE Thomson scattering of light by free electrons has not yet been observed in a laboratory plasma—the cross-section for the process is small and until recently no suitable source of light has ...

Our reactive scattering theory ... Positronium formation which occurs when a positron collides with a Hydrogen atom. Positronium is an exotic atom composed of a positron-electron pair. The highly ...

LEP – the largest electron-positron accelerator ever built – was dismantled in 2000. Its 27-kilometre tunnel now hosts the LHC With its 27-kilometre circumference, the Large Electron-Positron (LEP) ...