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Browse Abstracts & Presentations - 2018 International Symposium on Molecular Spectroscopy by Issue Date
Now showing items 1-20 of 413
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(International Symposium on Molecular Spectroscopy, 06/18/18)H$_2^+$ is the simplest of all molecules and as such an important system for the development of molecular quantum mechanics. The rovibrational energy-level structure of this one-electron system can be calculated extremely ...
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(International Symposium on Molecular Spectroscopy, 06/18/18)Selected P-and R-branch transitions of the CN A\,$^{2}\Pi -X\,^{2}\Sigma^{+}$ (2-0) band have been recorded at room temperature as a function of argon pressure, using frequency modulation spectroscopy. The experimental ...
application/vnd.openxmlformats-officedocument.presentationml.presentation
Microsoft PowerPoint 2007 (2MB)
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(International Symposium on Molecular Spectroscopy, 06/18/18)$\tilde{X}\, ^2\Pi$ NCS is a Renner-degenerate linear molecule whose rovibronic spectrum is greatly complicated by the Renner effect and all-pervading resonances. As an alternative avenue to understanding this spectrum, we ...
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Microsoft PowerPoint 2007 (11MB)
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(International Symposium on Molecular Spectroscopy, 06/18/18)The nascent steps in the pyrolysis of the lignin components, salicylaldehyde (o-\chem{HOC_6H_4CHO}) and catechol (o-\chem{HOC_6H_4OH}), have been studied in a set of heated micro-reactors. The micro-reactors are small ...
application/vnd.openxmlformats-officedocument.presentationml.presentation
Microsoft PowerPoint 2007 (4MB)
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(International Symposium on Molecular Spectroscopy, 06/18/18)Vibrational auto-ionization resonance widths ($\gamma$) of $v=1$, $n^*\approx14$ Rydberg states of CaF are calculated in this work, based on results of a global multi-channel quantum defect fit. The calculation indicates ...
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Microsoft PowerPoint 2007 (1MB)
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(International Symposium on Molecular Spectroscopy, 06/18/18)Dynamic Stark effects, such as Autler-Townes splitting (ATS) and Electromagnetically induced transparency (EIT), has been known to happen in simple atoms or quantum confined systems so far. We have been observed similar ...
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Microsoft PowerPoint 2007 (3MB)
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(International Symposium on Molecular Spectroscopy, 06/18/18)\chem{H_2} is a benchmark system for testing quantum electrodynamics and physics beyond the standard model via highly accurate measurements of transition frequencies, which has been the subject of many works during the ...
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(International Symposium on Molecular Spectroscopy, 06/18/18)We present a new method for solving the vibrational Schroedinger equation for polyatomic molecules. It has the following advantages: 1) the size of the matrix eigenvalue problem is the size of the required pruned ...
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(International Symposium on Molecular Spectroscopy, 06/18/18)The 1-butyn-3-yl radical (C$_4$H$_5$) is thought to play a role in the formation of hydrocarbons in the interstellar medium and planetary atmospheres, but it is not well characterized. In this study, the 1-butyn-3-yl ...
application/vnd.openxmlformats-officedocument.presentationml.presentation
Microsoft PowerPoint 2007 (15MB)
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(International Symposium on Molecular Spectroscopy, 06/18/18)The first excited electronic state of the NO$_3$ radical is a dark state just less than 1 eV above the ground state, and its vibronic features have been observed optically by the Hirota, Okumura and Miller groups. In ...
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Microsoft PowerPoint 2007 (3MB)
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(International Symposium on Molecular Spectroscopy, 06/18/18)The rotational spectra of methoxycarbonyl isocyanate ( \chem{CH_3OC(O)NCO}) and methyl azidoformate (\chem{CH_3OC(O)N_3}) in the ground vibrational state were observed by molecular beam-Fourier transform microwave ...
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Microsoft PowerPoint 2007 (6MB)
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(International Symposium on Molecular Spectroscopy, 06/18/18)The infrared spectra of the weakly-bound dimers OCS-HCCCCH, in the region of the $\nu_1$ fundamental band of OCS (2050 \wn), and N$_2$O-HCCCCH, in the region of the $\nu_1$ fundamental band of N$_2$O (2200 \wn), are observed ...
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(International Symposium on Molecular Spectroscopy, 06/18/18)I will present our recent results on the use of a femtosecond frequency comb to coherently drive stimulated Raman transitions between terahertz-spaced atomic energy levels [1]. More specifically, we address the $3d~^2D_{3/2}$ ...
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(International Symposium on Molecular Spectroscopy, 06/18/18)Benzene-noble gas complexes were one of the earliest topics of interest in spectroscopic investigation of van der Waals (vdW) complexes. Smalley et al.{\footnote{S. M. Beck, M. G. Liverman, D. L. Monts and R. E. Smalley, ...
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Microsoft PowerPoint 2007 (2MB)
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(International Symposium on Molecular Spectroscopy, 06/18/18)We have constructed \textit{ab initio} 3D potential energy surfaces (PESs) for $\tilde{X}\;^{2}\Pi$ NCS in core-valence SDCI+$Q$/[aCVQZ(N,C,S)] calculations. The $B_{0}$ value predicted from these PESs deviates only ...
application/vnd.openxmlformats-officedocument.presentationml.presentation
Microsoft PowerPoint 2007 (1MB)
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(International Symposium on Molecular Spectroscopy, 06/18/18)The rotational spectrum of methyl pivalate ({\it t}-BuC(O)OCH$_3$) in the ground vibrational state was observed by molecular beam-Fourier transform microwave spectroscopy. Thirty b-type rotational transitions were assigned. ...
application/vnd.openxmlformats-officedocument.presentationml.presentation
Microsoft PowerPoint 2007 (984kB)
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(International Symposium on Molecular Spectroscopy, 06/18/18)In a quest for improving current laser-ablation devices in combination with molecular-beam Fourier-transform microwave spectroscopy (LA-MB-FTMW)\footnote{Bermúdez, C.; Mata, S.; Cabezas, C.; Alonso, J. L., Tautomerism in ...
application/vnd.openxmlformats-officedocument.presentationml.presentation
Microsoft PowerPoint 2007 (44MB)
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(International Symposium on Molecular Spectroscopy, 06/18/18)High-resolution infrared spectra of $\beta$-alanine and its water clusters have been studied using solid \textit{para}-$H_2$ FT-IR matrix-isolation spectroscopy. It is known that zwitterion forms of amino acids are more ...
application/vnd.openxmlformats-officedocument.presentationml.presentation
Microsoft PowerPoint 2007 (3MB)
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(International Symposium on Molecular Spectroscopy, 06/18/18)Bromomethyl radical ($\mathrm{CH_2Br}$) has recently been used as a novel precursor for producing the simplest Criegee intermediates ($\mathrm{CH_2OO}$). With the goal of spectroscopically investigating a Criegee ...
application/vnd.openxmlformats-officedocument.presentationml.presentation
Microsoft PowerPoint 2007 (9MB)
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ANALYSIS OF THE Ã−X̃ BANDS OF THE ETHYNYL RADICAL NEAR 1.48μm AND RE-EVALUATION OF X̃ STATE ENERGIES (International Symposium on Molecular Spectroscopy, 06/18/18)We report the observation and analysis of spectra in part of the near-infrared spectrum of C$_2$H, originating in rotational levels in the ground and lowest two excited bending vibrational levels of the ground $\tilde{X} ...
application/vnd.openxmlformats-officedocument.presentationml.presentation
Microsoft PowerPoint 2007 (2MB)
Now showing items 1-20 of 413