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The newly developed technique of triple-charge-transfer spectrometry was used to measure eight distinct triple-ionization energies of CS2 in the range 54–66 eV. A semi-empirical method was used to calculate the energies, and excellent agreement was obtained between measured values and those calculated for triple ionization to quadruplet states of CS23+, consistent with spin conservation in the triple-electron-capture reactions of Cl2+ projectile ions with CS2 molecules. The lowest triple-ionization energy measured is 54.3 ± 0.5 eV, which is close to the value 53.6 ± 0.5 eV measured previously using the appearance-energy method. |
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