A new method for determining absorption cross sections out of initially excited vibrational states

Amir Golan, Nitzan Mayorkas, Salman Rosenwaks, Ilana Bar

Research output: Contribution to journalArticlepeer-review

6 Scopus citations

Abstract

A first experimental demonstration, combining the methods of vibrationally mediated photodissociation (VMP) and ionization-loss stimulated Raman spectroscopy (ILSRS) for measuring cross sections for dissociation of vibrationally excited levels is reported. The action spectrum obtained in the VMP of methylamine exhibits enhancement of the H photofragment yield as a result of initial vibrational excitation and the ILSRS monitors the fraction of molecules being excited. The partial cross sections for H production out of the sampled vibrational states and the extent of mode selectivity were thus determined.

Original languageEnglish
Article number054303
JournalJournal of Chemical Physics
Volume130
Issue number5
DOIs
StatePublished - 17 Feb 2009

ASJC Scopus subject areas

  • General Physics and Astronomy
  • Physical and Theoretical Chemistry

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