Phys. Rev. Lett. 85, 3353–3356 (2000)Electron-Impact Ionization Cross Section Measurements Out of the 52P Excited State of RubidiumReceived 5 May 2000; published in the issue dated 16 October 2000 We describe new techniques involving trapped atoms as targets for measurements of electron-impact ionization cross sections out of an excited level. By directly detecting the ions formed by electron collisions, we have obtained the first experimental ionization cross sections out of the 52P excited level in rubidium at energies from 40 to 300 eV. © 2000 The American Physical Society URL:
http://link.aps.org/doi/10.1103/PhysRevLett.85.3353
DOI:
10.1103/PhysRevLett.85.3353
PACS:
34.80.Dp, 34.50.Fa, 34.80.My, 52.20.Fs
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