Instruct: Identify the main and secondary category of Arxiv papers based on the titles and abstracts
Query: ExoMol line lists -- XLIV. IR and UV line list for silicon monoxide
  (SiO)   A new silicon monoxide ($^{28}$Si$^{16}$O) line list covering infrared,
visible and ultraviolet regions called SiOUVenIR is presented. This line list
extends the infrared EBJT ExoMol line list by including vibronic transitions to
the $A\,{}^{1}\Pi$ and $E\,{}^{1}\Sigma^{+}$ electronic states. Strong
perturbations to the $A\,{}^{1}\Pi$ band system are accurately modelled through
the treatment of 6 dark electronic states: $C\,{}^{1}\Sigma^{-}$,
$D\,{}^{1}\Delta$, $a\,{}^{3}\Sigma^{+}$, $b\,{}^{3}\Pi$, $e\,{}^{3}\Sigma^{-}$
and $d\,{}^{3}\Delta$. Along with the $X\,{}^{1}\Sigma^{+}$ ground state, these
9 electronic states were used to build a comprehensive spectroscopic model of
SiO using a combination of empirical and ab initio curves, including the
potential energy (PE), spin-orbit (SO), electronic angular momentum (EAM) and
(transition) dipole moment curves. The ab initio PE and coupling curves,
computed at the multireference configuration interaction (MRCI) level of
theory, were refined by fitting their analytical representations to 2617
experimentally derived SiO energy levels determined from 97 vibronic bands
belonging to the $X$-$X$, $E$-$X$ and $A$-$X$ electronic systems through the
MARVEL procedure. 112 observed forbidden transitions from the $C$-$X$, $D$-$X$,
$e$-$X$, and $d$-$X$ bands were assigned using our predictions, and these could
be fed back into the MARVEL procedure. The SiOUVenIR line list was computed
using published ab initio transition dipole moments for the $E$-$X$ and $A$-$X$
bands; the line list is suitable for temperatures up to 10,000 K and for
wavelengths longer than 140 nm. SiOUVenIR is available from www.exomol.com and
the CDS database.

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The categories of this paper are: dg-ga
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The categories of this paper are: chem-ph
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The categories of this paper are: hep-th
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The categories of this paper are: alg-geom
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The categories of this paper are: cs
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The categories of this paper are: hep-ex
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The categories of this paper are: eess
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The categories of this paper are: adap-org
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The categories of this paper are: supr-con
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The categories of this paper are: bayes-an
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The categories of this paper are: solv-int
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The categories of this paper are: funct-an
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The categories of this paper are: hep-ph
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The categories of this paper are: q-fin
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The categories of this paper are: math-ph
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The categories of this paper are: cmp-lg