A new approach to the study of normalized appearance energy of hot atom reaction product in optical isomers of tris/acetylacetonato/ruthenium/III/

I. Kaneko, T. Sekine, K. Yoshihara

Research output: Contribution to journalArticlepeer-review

3 Citations (Scopus)

Abstract

Appearance energy is originally the threshold energy at which récoil products begin to be observed. This was determined by /γ, γ'/ reactions. Afterwards, an alternative technique has been developed to determine it by summing up recoil energy spectrum. The latter technique assumed a step function rising at energy EO in the yield-energy relation. EO should be defined as 'normalized appearance energy' /NAE/, because it is not threshold energy in its original sense. The NAE for isomerization from Δ to Λ /or reverse/ in Ru/acac/3 was estimated to be 29 eV, and that for free atom /or ion/ formation was calculated to be 34 eV. The 5 eV difference seems to indicate an energy interval in which isomerization effectively occurs in the recoil reaction.

Original languageEnglish
Pages (from-to)89-96
Number of pages8
JournalJournal of Radioanalytical and Nuclear Chemistry Letters
Volume144
Issue number2
DOIs
Publication statusPublished - 1990 Jan 1

ASJC Scopus subject areas

  • Analytical Chemistry
  • Nuclear Energy and Engineering
  • Radiology Nuclear Medicine and imaging
  • Pollution
  • Spectroscopy
  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

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