State compositions of beams of C+, O+, S+and Cl+ions determined using charge-inversion spectroscopy
- 1 January 1992
- journal article
- Published by IOP Publishing in Journal of Physics B: Atomic, Molecular and Optical Physics
- Vol. 25 (2) , 475-490
- https://doi.org/10.1088/0953-4075/25/2/016
Abstract
Charge-inversion spectra have been recorded for beams of C+, O+, S+ and Cl+ ions from CO, O2, CS2 and HCl respectively, incident onto target gases of Xe, Kr and NO, and the relative currents of anions from selected double-collision reactions of ground-state ions have been used to determine the proportions of such ions in the beams formed from the above precursors ionized using 100 eV electrons. The proportions of ground-state ions were found to be as follows: C+(2P)=0.71+or-0.06; O+(4S)=0.41+or-0.05; S+(4S)=0.60+or-0.07; Cl+(3P)=0.56+or-0.05. The non-ground-state ions in beams of O+, S+ and Cl+ were found to be distributed between two states and approximate distribution ratios are given.Keywords
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