Robuta

https://research.ibm.com/publications/angle-of-incidence-dependence-of-photoemission-of-a-localized-electron-from-a-jellium-solid Angle-of-incidence dependence of photoemission of a localized electron from a jellium solid for... Angle-of-incidence dependence of photoemission of a localized electron from a jellium solid for Physical Review Letters by Peter J. Feibelman et al. angle of incidence