Origin of the sequential dissociation of (CO2)3+ by heavy ion impact

Abstract

SynopsisAn experimental investigation of sequential dissociation of CO2 by Ne4+ ion impact at incident energies 1.12 MeV was performed. Two initial states of (CO2)3+ ions were observed in the first fragmentation step. But for the second fragmentation step, our result suggests that both the metastable ions (CO)2+ are populated in 3Σ+ states.