A dynamical (e,2e) investigation into the ionization of pyrazine

D. B. Jones, E. Ali, H. S. Chakraborty, C. G. Ning, G. García, D. H. Madison, M. J. Brunger

Research output: Contribution to journalArticlepeer-review

Abstract

We report an experimental and theoretical investigation into the dynamics of electron-impact ionization of the unresolved outermost molecular orbitals (6ag + 1b1g) of pyrazine (C4N2H4). Experimental triple differential cross sections (TDCS) are compared with cross sections calculated within a molecular 3-body distorted wave (M3DW) framework. The M3DW theory was able to reproduce the qualitative scattering behaviour in the binary region, but failed to describe the absolute intensity of the TDCS and the recoil scattering behaviour. Momentum profiles were used to identify possible sources where the M3DW may mask the quantum character of the ionized orbitals in describing the ionization dynamics.

Original languageEnglish
Article number139000
Number of pages6
JournalChemical Physics Letters
Volume781
DOIs
Publication statusPublished - 16 Oct 2021

Keywords

  • Electron ionization
  • Pyrazine
  • Scattering dynamics

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