Constraint on a cosmological variation in the proton-to-electron mass ratio from electronic CO absorption

M Daprà, ML Niu, EJ Salumbides… - The Astrophysical …, 2016 - iopscience.iop.org
Carbon monoxide (CO) absorption in the sub-damped Lyα absorber at redshift ${z} _
{\mathrm {abs}}\simeq 2.69$ toward the background quasar SDSS J123714. 60+ 064759.5 …

Deperturbation analysis of the A1Π (v= 2) level in the 12C18O isotopologue

MI Malicka, S Ryzner, AN Heays, N de Oliveira… - Journal of Quantitative …, 2021 - Elsevier
The rotational structure of the A 1 Π (v= 2) level of 12 C 18 O is re-examined using high-
accuracy experimental data comprised of 541 molecular lines obtained by two …

Fourier-transform spectroscopy of 13C17O and deperturbation analysis of the A1Π (υ= 0–3) levels

R Hakalla, ML Niu, RW Field, AN Heays… - Journal of Quantitative …, 2017 - Elsevier
The high-resolution B 1 Σ+→ A 1 Π (0, 0) and (0, 3) emission bands of the less-abundant 13
C 17 O isotopologue have been investigated by Fourier-transform spectroscopy in the …

VUV–VIS FT spectroscopy of the rare 13C18O isotopologue of carbon monoxide: Analysis of the A1Π (v= 1) multiply-perturbed level

S Ryzner, MI Malicka, AN Heays, RW Field… - … Acta Part A: Molecular …, 2022 - Elsevier
Ro-vibronic spectra of the 13 C 18 O carbon monoxide isotopologue were obtained with (i)
emission spectroscopy in the visible region using a Bruker IFS 125HR spectrometer …

Spectroscopy and perturbation analysis of the A1π (v=0) state of 13 C16 O

ML Niu, R Hakalla, TM Trivikram, AN Heays… - Molecular …, 2016 - Taylor & Francis
The lowest v= 0 level of the A1Π state of the 13C16O isotopologue of carbon monoxide has
been reinvestigated with a variety of high-resolution spectroscopic techniques. The A1Π …

Precision spectroscopy and comprehensive analysis of perturbations in the A1∏(v = 0) state of 13C18O

R Hakalla, TM Trivikram, AN Heays… - Molecular …, 2019 - Taylor & Francis
We have reinvestigated the A level of 13C18O using new high-resolution spectra obtained
via multi-photon laser excitation as well as with synchrotron-based Fourier-transform …

VIS and VUV spectroscopy of 12 C 17 O and deperturbation analysis of the A 1 Π, υ= 1–5 levels

R Hakalla, ML Niu, RW Field, EJ Salumbides… - RSC Advances, 2016 - pubs.rsc.org
High-accuracy dispersive optical spectroscopy measurements in the visible (VIS) region
have been performed on the less-abundant 12C17O isotopologue, observing high …

High-resolution Fourier-transform spectroscopy and deperturbation analysis of the A1Π (v= 1) level in 12C18O

MI Malicka, S Ryzner, AN Heays, N de Oliveira… - Journal of Quantitative …, 2020 - Elsevier
Abstract The A 1 Π (v= 1) level of the 12 C 18 O isotopologue was precisely reinvestigated
with two complementary spectroscopic techniques. High resolution B 1 Σ+→ A 1 Π (0, 1),(1 …

FT-spectroscopy of the 12C18O rare isotopologue and deperturbation analysis of the A1Π (v= 3) level

MI Malicka, RW Field, S Ryzner, A Stasik… - … Acta Part A: Molecular …, 2024 - Elsevier
Research on 12 C 18 O was carried out using two complementary Fourier-transform
methods:(1) vacuum-ultraviolet absorption spectroscopy, with an accuracy ca. 0.03 cm− 1 on …

Perturbations in the A1Π, v = 0 state of 12C18O investigated via complementary spectroscopic techniques

TM Trivikram, R Hakalla, AN Heays, ML Niu… - Molecular …, 2017 - Taylor & Francis
ABSTRACT The A1Π (v= 0) level of 12C18O has been reinvestigated using three different
high-resolution spectroscopic methods:(1) 2+ 1′ resonance-enhanced multiphoton …