Effect of the Gap Size between the Cathode and the Wehnelt Cylinder Bore on the Emittance of the Thermionic Electron Gun. Iraqi Journal of Science, [S. l.], v. 63, n. 8, p. 3382–3389, 2022. DOI: 10.24996/ijs.2022.63.8.14. Disponível em: https://ijs.uobaghdad.edu.iq/index.php/eijs/article/view/4981.. Acesso em: 19 dec. 2024.