Rotational analysis of the B 2Σ+-X 2Σ+ system of SrF using a cw tunable dye laser

Timothy C. Steimle, Peter J. Domaille, David O. Harris

Research output: Contribution to journalArticle

44 Scopus citations

Abstract

A rotational analysis of the (0, 0), (1, 1), and (2, 2) bands of the B 2Σ+-X 2Σ+ system of SrF at 580 nm has been performed using single-mode cw dye laser excitation spectroscopy. Spectroscopic constants (cm-1) obtained from a weighted least-squares fit of the data are given below. Numbers in parentheses refer to 95% confidence limits in the last digit. {A table is presented} Franck-Condon factors were calculated from RKR potentials constructed from our spectroscopic data and compared with those derived from line intensity measurements. Discrepancies are attributed to the approximate nature of the line intensity expressions used. Anomalies in the rotational branch intensities provide evidence for the perturbed nature of the B 0Σ state by the close-lying A 2Π state.

Original languageEnglish (US)
Pages (from-to)134-145
Number of pages12
JournalJournal of molecular spectroscopy
Volume68
Issue number1
DOIs
StatePublished - Oct 1977
Externally publishedYes

ASJC Scopus subject areas

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

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