A particle beam is a stream of charged or neutral particles, in many cases moving at near the speed of light. More

Particle-induced X-ray emission or proton-induced X-ray emission (PIXE) is a technique used in the determining of the elemental make-up of a material or sample. More

Particle therapy is a form of external beam radiotherapy using beams of energetic protons, neutrons, or positive ions for cancer treatment. More

Solar energetic particles can originate either from a solar-flare site or by shock waves associated with coronal mass ejections (CMEs). More