Bound-bound transitions in the emission spectra of Ba+-He excimer

P. Moroshkin*, Kimitoshi Kono

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

We present an experimental and theoretical study of the emission and absorption spectra of the Ba+ ions and Ba+*He excimer quasimolecules in the cryogenic Ba-He plasma. We observe several spectral features in the emission spectrum, which we assign to the electronic transitions between bound states of the excimer correlating to the 6(2)P(3/2) and 5(2)D(3/2,5/2) states of Ba+. The resulting Ba+(5(2)D(J)) He is a metastable electronically excited complex with orbital angular momentum L = 2, thus expanding the family of known metal-helium quasimolecules. It might be suitable for high-resolution spectroscopic studies and for the search for new polyatomic exciplex structures.

Original languageEnglish
Article number052510
Number of pages6
JournalPhysical Review A
Volume93
Issue number5
DOIs
StatePublished - 19 May 2016

Keywords

  • HELIUM CLUSTERS
  • LIQUID-HELIUM
  • EXCIPLEXES
  • SURFACE
  • DYNAMICS
  • ATOMS
  • NA

Cite this