164 citations · 446 across the 13 of their papers we have counts for
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Precision measurements and test of molecular theory in highly-excited vibrational states of H
T. Madhu Trivikram, M. L. Niu, P. Wcisło +2
Accurate transition energies in molecular hydrogen were determined for transitions originating from levels with highly-excited vibrational quantum number,…
Spectroscopy and perturbation analysis of the A(v=0) state of CO
M. L. Niu, R. Hakalla, T. Madhu Trivikram +4
The lowest level of the A, state of the CO isotopologue of carbon monoxide has been reinvestigated with a variety of high resolution spectroscopic techniqu…
Spectroscopy and perturbation analysis of the CO AX (2,0), (3,0) and (4,0) bands
M. L. Niu, E. J. Salumbides, A. N. Heays +3
The (2,0) (3,0) and (4,0) bands of the AX system of CO have been re-investigated by high-resolution vacuum ultraviolet absorption spectroscopy. A VUV Fou…
Test of quantum chemistry in vibrationally-hot hydrogen molecules
M. L. Niu, E. J. Salumbides, W. Ubachs
Precision measurements are performed on highly excited vibrational quantum states of molecular hydrogen. The rovibrational levels of H (), lying only $2…
VUV-synchrotron absorption studies of N and CO at 900 K
M. L. Niu, A. N. Heays, S. Jones +5
Photoabsorption spectra of N and CO were recorded at 900K, using the vacuum-ultraviolet Fourier-transform spectrometer at the DESIRS beamline of synchrotron SOLEIL. These high-…
High-precision laser spectroscopy of the CO A - X (2,0), (3,0) and (4,0) bands
M. L. Niu, F. Ramirez, E. J. Salumbides +1
High-precision two-photon Doppler-free frequency measurements have been performed on the CO A - X fourth-positive system (2,0), (3,0), and (4,0) bands. Absolute frequen…
Precision spectroscopy of the () rovibrational splittings in H, HD and D
Ming Li Niu, Edcel J. Salumbides, Gareth. D. Dickenson +2
Accurate experimental values for the vibrational ground tone or fundamental vibrational energy splitting of H, HD, and D are presented. Absolute accuracies of $2\times10^{-…
The Fundamental Vibration of Molecular Hydrogen
Gareth. D. Dickenson, Ming Li Niu, Edcel J. Salumbides +4
The fundamental ground tone vibration of H2, HD, and D2 is determined to an accuracy of 2 x 10^-4 cm^-1 from Doppler-free laser spectroscopy in the collisionless environment of a m…
The CO A-X System for Constraining Cosmological Drift of the Proton-Electron Mass Ratio
E. J. Salumbides, M. L. Niu, J. Bagdonaite +4
The band system of carbon monoxide, which has been detected in six highly redshifted galaxies (), is identified as a novel probe method t…