Bremsstrahlung cross section for the emission of a photon with energy 30 keV by an electron impacting on a proton.
<a href="//commons.wikimedia.org/wiki/User:%D0%94.%D0%98%D0%BB%D1%8C%D0%B8%D0%BD" title="User:Д.Ильин">Д.Ильин</a>: vectorization
<a href="//commons.wikimedia.org/wiki/File:Brem_cross_section.png" title="File:Brem cross section.png">File:Brem cross section.png</a> by <a href="https://en.wikipedia.org/wiki/en:User:Gringo.ch" class="extiw" title="w:en:User:Gringo.ch">en.User:Gringo.ch</a>