Energy distribution of slow fragments, OH+ and O+, in water dissociation by electron impact

29th International Conference on Photonic, Electronic, and Atomic Collisions

Ferreira, Natalia^1 ; Sigaud, L.^2 ; Montenegro, E.C.^3

CEFET/RJ, Unidade Maracanã, Rio de Janeiro

20271-110, RJ, Brazil^1

Instituto de Física, Universidade Federal Fluminense, Niterói, RJ

24210-346, Brazil^2

Instituto de Física, Universidade Federal Do Rio de Janeiro, Rio de Janeiro

21941-972, RJ, Brazil^3

关键词: Double ionization;    Electron beam energy;    Electron energies;    Electron impact;    Energy distributions;    Low energy transfers;    Measurements of;    Water dissociation;   

Others  :  https://iopscience.iop.org/article/10.1088/1742-6596/635/7/072053/pdf
DOI  :  10.1088/1742-6596/635/7/072053

来源: IOP

【 摘 要 】

In this work, we present measurements of the energy distributions of OH+and O+produced in water molecule fragmentation by electron impact. We scanned the electron beam energy between 28 eV and 800 eV, examining the processes that occur from low energy transfer, below the double ionization threshold, up to processes occurring at the Oxygen K edge. The results show very different behaviors for the OH+and O+energy distributions for different electron energies.