Rescattering photoelectron spectroscopy of small molecules

M. Okunishi, R. R. Lucchese, T. Morishita, K. Ueda

Research output: Contribution to journalArticlepeer-review

6 Citations (Scopus)

Abstract

We have measured angle-resolved rescattering photoelectron spectra of three small molecules (O2, CO2, and C2H4) using intense near-infrared laser pulses at several laser intensities. Based on the factorization formula for rescattering processes, we have extracted, from the electron spectra, the field-free differential cross sections of elastic electron scattering by the molecular ions. The detail of the extraction procedure is described. The experimentally extracted differential cross sections are compared with theoretical calculations of the field-free differential cross sections. Fairly good agreement between the experimentally extracted and theoretically calculated DCSs for wide range of the collision momentum indicates the validity of the present extraction procedure for the molecules.

Original languageEnglish
Pages (from-to)313-319
Number of pages7
JournalJournal of Electron Spectroscopy and Related Phenomena
Volume195
DOIs
Publication statusPublished - 2014 Aug

Keywords

  • Differential cross section
  • Electron rescattering
  • Electron spectroscopy
  • Electron-ion collision
  • Intense laser

ASJC Scopus subject areas

  • Electronic, Optical and Magnetic Materials
  • Radiation
  • Atomic and Molecular Physics, and Optics
  • Condensed Matter Physics
  • Spectroscopy
  • Physical and Theoretical Chemistry

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