Simultaneous Photoexcitation and Photoionization of Helium
- 7 April 1969
- journal article
- research article
- Published by American Physical Society (APS) in Physical Review Letters
- Vol. 22 (14) , 693-694
- https://doi.org/10.1103/physrevlett.22.693
Abstract
The probability of simultaneously photoexciting and photoionizing helium has been measured near threshold at a wavelength of 186 Å. It was found that about (8 ± 2)% of the ions formed at that wavelength were excited into the state.
Keywords
This publication has 6 references indexed in Scilit:
- Photoelectron Spectroscopy of the Rare GasesPhysical Review B, 1968
- Photoionization Cross Section of Helium in the 100- to 250-Å RegionPhysical Review B, 1965
- Two-Electron Excitation States in Helium.The Astrophysical Journal, 1965
- New Autoionizing Atomic Energy Levels in He, Ne, and ArPhysical Review Letters, 1963
- Lamb Shift Excitation Energy in the Ground State of the Helium AtomPhysical Review B, 1962
- The Lamb Shift of HeliumProceedings of the Physical Society, 1960