# Browse Abstracts & Presentations - 2021 International Symposium on Molecular Spectroscopy by Title

• (International Symposium on Molecular Spectroscopy, 2021-06-24)
A search for the time-noninvariant ($\mathcal{T}$-odd) interactions is one of the most fundamental not yet resolved problems in physics. The existence of the electric dipole moment (EDM) for any particle violates both ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
The PO molecule has been identified towards the Orion-KL region based on a 3mm survey carried out with the ARO 12m. The J = 2.5-1.5 transition was observed, consisting of two lambda-doublets, both of which were detected. ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-25)
A major bottleneck in the analysis of broadband chirped-pulse microwave spectra is the identification of unknown molecules. Often, a set of molecular frequencies are fit to an effective Hamiltonian, whereby a set of ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
Irradiation of ultrashort laser pulses onto a molecular ensemble inherently results in the creation of a quantum wave packet (WP), i.e., a coherent superposition of several (or sometimes many) eigenstates. It is an ultimate ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-24)
Nitric oxide (NO) radicals are ubiquitous chemical intermediates present in the atmosphere and in combustion processes, where laser-induced fluorescence is extensively used on the NO (A$^{2}$$\Sigma$$^{+}$ $\leftarrow$ ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-25)
Rapid recording of molecular spectra of complex mixtures has facilitated acquisition of high sensitivity data sets. In studies of weakly bound clusters, these spectra may contain a wide range of cluster sizes and abundances, ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
Quantifying molecular abundances of astrochemical species is a key step towards the understanding of the chemistry occurring in the interstellar medium. This process requires a profound knowledge of the molecular energy ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
We conducted multiple high-level \textit{ab initio} calculations to obtain improved semi-experimental equilibrium structures ($r_{e}$$^{SE}$) of hydrazoic acid (\chem{HN_3}) using previously reported experimental data and ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
The increasing number and size of large Line-By-Line (LBL)-databases, routinely exceeding hundreds of millions of lines, calls for spectral synthesis algorithms that can process these large number of lines efficiently. In ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
There are long running problems over the precise transition intensities and line positions for ozone\footnote{M. A. H. Smith, V. M. Devi \& D. C. Benner, "The quest for ozone intensities in the 9--11 $\mu$m region: a ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
The CPUF (Chirped Pulse in Uniform supersonic Flow) technique is a combination of the CRESU (Cinétique de Réaction en Ecoulement Supersonique Uniforme, or Reaction Kinetics in Uniform Supersonic Flow) technique to provide ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-25)
Phosphorus belongs to the group of the so-called main biogenic elements'', which includes the most abundant elements in living systems. Accordingly, when seeking to better understand the evolution of the universe -with ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-24)
At previous ISMS meetings we have reported on the effects of monodromy on the $\nu_7$ bending mode of NCNCS. The presence of monodromy was established directly from experimental data collected at the Canadian Light Source. ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-22)
Polycyclic Aromatic Hydrocarbons (PAHs) have long been invoked in the study of interstellar and protostellar sources, but the unambiguous identification of any single PAH has proven elusive until very recently. As a result, ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-24)
The chemical and structural diversity and the extent of post-transcriptional modification of RNA are remarkable! Currently there are more than 163 naturally-occurring modified nucleosides known. Modified nucleosides have ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-24)
To find a new physics beyond the Standard Model (SM), it is necessary to investigate effects that violate the invariance with respect to spatial reflections and time reversal, such as the electric dipole moment of an ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-23)
Hydrocarbons are of considerable importance in studies of planetary atmospheres such as Titan and Giant Planets. In Titan, ethane (C$_2$H$_6$) is the second most abundant hydrocarbon and is also widespread in Giant Planets. ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-25)
We previously observed the spectrum of (CO$_2$)$_2$-CO in the region of the CO fundamental band (2150 \wn).\footnote{A.J. Barclay, A.R.W. McKellar, and N. Moazzen-Ahmadi, \textit{Chemical Physics Letters} \textbf{677}, 127 ...

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• (International Symposium on Molecular Spectroscopy, 2021-06-25)
\textbf{(\textit{n},\textit{m}) = (1,2).}~~ CO$_2$-Ar$_2$ has previously been studied in the microwave\footnote{Y. Xu, W. J\"{a}ger, and M.C.L. Gerry, \textit{J. Mol. Spectrosc.} \textbf{157}, 132 (1993).} and infrared.\ ...

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