Browsing by Author "Hall, Ryan"

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    A hyperfine analysis of the [4th power]Π–X[4th power]Σˉ transition of rhenium monocarbide
    (University of New Brunswick, 2016) Hall, Ryan; Adam, Allan
    In this thesis, the first spectroscopic study of rhenium monocarbide, ReC, is presented. ReC molecules were produced via a supersonic molecular jet apparatus. The ReC spectrum was studied utilizing both high and low-resolution spectroscopic techniques, including laser induced fluorescence (LIF) and dispersed fluorescence (DF). The low-resolution survey scan was performed and four bands from this system were identified, and studied using high-resolution. This clearly revealed the [superscript 187]ReC and [superscript 185]ReC isotopologues, and extensive hyperfine structure, which resulted in a complex spectrum. This experimental data appears to be consistent with a [4th power]Π–X[4th power]Σˉ transition, which agrees with Dr. Grein’s [1] calculations. A program has been written using the Hamiltonian matrix for a [4th power]Π–X[4th power]Σˉ transition, as reported in the literature [2]. After performing a fit using assigned transitions in our spectrum, molecular constants were extracted to describe the molecular system. Dispersed fluorescence spectra were used to extract vibrational information.