An ion/neutral species process wherein there is an increase in the reactant ion's @I03103@ at the expense of the translational energy of either (or both) of the reacting species. The @S05488@ may be large.
Source: PAC, 1991, 63, 1541. (Recommendations for nomenclature and symbolism for mass spectroscopy (including an appendix of terms used in vacuum technology). (Recommendations 1991)) on page 1555 [Terms] [Paper]
Citation: 'collisional excitation' in IUPAC Compendium of Chemical Terminology, 3rd ed. International Union of Pure and Applied Chemistry; 2006. Online version 3.0.1, 2019. https://doi.org/10.1351/goldbook.C01159 RISBibTexEndNote