File:Photon Cross Sections.pngsmall numbers on y axis on the bottom title({'Cross Sections of Elements for Different Energy Photons',... ' In barns/atom or in 10^{-24} cm^2'}); xlabel('Atomic
File:Brem cross section ln.pngBremsstrahlung cross section for the emission of a photon with energy 30 keV by an electron impacting on a proton. S(0) is cross section Ee is electron
File:Photon model.pngCreative Commons Attribution-Share Alike 4.0 truetrue English Substantial photon model Russian Субстанциональная модель фотона Wikimedia username: Fedosin