K-radiation is the characteristic Penetrating electromagnetic radiation. X-radiation is genera... emitted during the refilling of a K-shell, e.g. after K-cature. The refilling of an inner shell can also occur without Energy dispersion through matter or space. In atomic physics...; the released Ability to do work or diffuse heat. The unit of energy is th... is then transferred to an Elementary particle with a negative electrical elementary ch... on a shell further outward leaving the atomic sheath (Auger effect).