Isotope effects in the electron impact ionization of H2/D2, H2O/D2O, and C6H6/C6D6 near threshold

G. Hanel, B. Gstir, T. Fiegele, F. Hagelberg, K. Becker, P. Scheier, A. Snegursky, Tilmann D. Märk

Research output: Contribution to journalArticle

Abstract

Isotope effects in the electron impact ionization of H2/D2, H2O/D2O and C6H6/C6D6 near threshold region were studied using high-resolution electron impact ionization mass spectrometer. The isotope shifts were determined for all the three systems ranging from a few meV for the parent ions to a few hundred meV for the fragment ions. It is found that the experimental result and the theoretical results are in good agreement with each other.

Original languageEnglish (US)
Pages (from-to)2456-2463
Number of pages8
JournalJournal of Chemical Physics
Volume116
Issue number6
DOIs
StatePublished - Feb 8 2002

ASJC Scopus subject areas

  • Physics and Astronomy(all)
  • Physical and Theoretical Chemistry

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