VUV Spectroscopic Study of the BB" 1Su+ State of H2
G.D. Dickenson, W. Ubachs
TL;DR
This study uses high-resolution VUV spectroscopy to measure spectral lines of the BB'' 1Su+ state of H2, providing precise line positions and predissociation widths for rotational states up to J'=2.
Contribution
It offers improved measurements of spectral line positions and predissociation widths in the BB'' 1Su+ state of H2 using advanced VUV Fourier transform spectroscopy.
Findings
Accurate line positions for rotational states J'=0,1,2.
Predissociation widths consistent with previous data.
Enhanced spectral data for the BB'' 1Su+ state.
Abstract
Spectral lines, probing rotational quantum states J'=0,1,2 of the inner well vibrations (v' =< 8) in the BB" 1Su+ state of molecular hydrogen, were recorded in high resolution using a vacuum ultraviolet (VUV) Fourier transform absorption spectrometer in the wavelength range 73-86 nm. Accurate line positions and predissociation widths are determined from a fit to the absorption spectra. Improved values for the line positions are obtained, while the predissociation widths agree well with previous investigations.
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