18 September 1995 Frequency-modulation transient absorption spectrum of the HCCI A<--X transition
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The rotationally resolved spectrum of the HCCl A1A' implied by X1A' transition at near infrared (IR) wavelengths was obtained at Doppler- limited resolution using a combination of transient absorption and frequency modulation (FM) techniques. The analysis of the observed spectrum reveals perturbations arising from both the Renner-Teller effect and the singlet-triplet interaction between these states and the low-lying a3A' state as well as information concerning the geometry and the vibrational structure in the excited singlet state.
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Bor-Chen Chang, Bor-Chen Chang, Trevor J. Sears, Trevor J. Sears, "Frequency-modulation transient absorption spectrum of the HCCI A<--X transition", Proc. SPIE 2548, Laser Techniques for State-Selected and State-to-State Chemistry III, (18 September 1995); doi: 10.1117/12.220860; https://doi.org/10.1117/12.220860

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