79.20.-m Impact phenomena (including electron spectra and sputtering) ( 0 Dok. )

• 79.20.Ap Theory of impact phenomena; numerical simulation ( 0 Dok. )
• 79.20.Ds Laser-beam impact phenomena ( 0 Dok. )
• 79.20.Fv Electron impact: Auger emission ( 0 Dok. )
• 79.20.Hx Electron impact: secondary emission ( 0 Dok. )
• 79.20.Kz Other electron-impact emission phenomena ( 0 Dok. )
• 79.20.La Photon- and electron-stimulated desorption ( 0 Dok. )
• 79.20.Mb Positron emission ( 0 Dok. )
• 79.20.Rf Atomic, molecular, and ion beam impact and interactions with surfaces Electron and ion channeling, see 61.85 ( 0 Dok. )