Ion-molecule reactions in the gas phase. Change transfer studied at translational energies up to 2000 eV

Abstract

A number of symmetrical, unsymmetrical, and dissociative charge transfer reactions have been studied as a function of translational energy (up to 2000 eV) using a modified time-of-flight mass spectrometer. The bombarding ion was either He⁺, Ar⁺, Ne⁺, Kr⁺, N⁺ ₂, CO⁺, or H⁺ ₂, with Ar, N₂, or CH₄ as the target molecule. The energeties of the reactions are discussed, and in some cases energy states of the components are proposed. For the methane systems, parallel reaction paths and their translational energy thresholds are examined.