An analysis of the rotational, fine and hyperfine effects in the (0, 0) band of the A7Π-X7Σ+ transition of manganese monohydride, MnH

Jamie J. Gengler, Timothy Steimle, Jeremy J. Harrison, John M. Brown

Research output: Contribution to journalArticlepeer-review

8 Scopus citations

Abstract

High-resolution (±0.003 cm-1), laser induced fluorescence (LIF) spectra of a supersonic molecular beam sample of manganese monohydride, MnH, have been recorded in the 17500-17800 cm-1 region of the (0, 0) band of the A7Π-X7Σ + system. The low-N branch features were modeled successfully by inclusion of the magnetic hyperfine mixings of spin components within a given low-N rotational level using a traditional 'effective' Hamiltonian approach. An improved set of spectroscopic constants has been extracted and compared with those from previous analyses. The optimum optical features for future optical Stark and Zeeman measurements are identified.

Original languageEnglish (US)
Pages (from-to)192-199
Number of pages8
JournalJournal of molecular spectroscopy
Volume241
Issue number2
DOIs
StatePublished - Feb 2007

Keywords

  • Hyperfine perturbations
  • Laser induced fluorescence
  • Manganese monohydride

ASJC Scopus subject areas

  • Atomic and Molecular Physics, and Optics
  • Spectroscopy
  • Physical and Theoretical Chemistry

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