Colloquium: Search for a drifting proton-electron mass ratio from
An overview is presented of the H 2 quasar absorption method to search for a possible
variation of the proton-electron mass ratio μ= mp/me on a cosmological time scale. The …
variation of the proton-electron mass ratio μ= mp/me on a cosmological time scale. The …
Fundamental vibration of molecular hydrogen
The fundamental ground tone vibration of H 2, HD, and D 2 is determined to an accuracy
of<? format?> 2× 10-4 cm-1 from Doppler-free laser spectroscopy in the collisionless …
of<? format?> 2× 10-4 cm-1 from Doppler-free laser spectroscopy in the collisionless …
[HTML][HTML] Physics beyond the Standard Model from hydrogen spectroscopy
Spectroscopy of hydrogen can be used for a search into physics beyond the Standard
Model. Differences between the absorption spectra of the Lyman and Werner bands of H 2 …
Model. Differences between the absorption spectra of the Lyman and Werner bands of H 2 …
Microwave and submillimeter molecular transitions and their dependence on fundamental constants
MG Kozlov, SA Levshakov - Annalen der Physik, 2013 - Wiley Online Library
Microwave and submillimeter molecular transition frequencies between nearly degenerated
rotational levels, tunneling transitions, and mixed tunneling‐rotational transitions show an …
rotational levels, tunneling transitions, and mixed tunneling‐rotational transitions show an …
Perspective: Tip** the scales: Search for drifting constants from molecular spectra
Transitions in atoms and molecules provide an ideal test ground for constraining or
detecting a possible variation of the fundamental constants of nature. In this perspective, we …
detecting a possible variation of the fundamental constants of nature. In this perspective, we …
Keck telescope constraint on cosmological variation of the proton-to-electron mass ratio
AL Malec, R Buning, MT Murphy… - Monthly Notices of …, 2010 - academic.oup.com
Molecular transitions recently discovered at redshift z abs= 2.059 towards the bright
background quasar J2123− 0050 are analysed to limit cosmological variation in the proton …
background quasar J2123− 0050 are analysed to limit cosmological variation in the proton …
Precision spectroscopy of the X1Σg+, v= 0→ 1 (J= 0–2) rovibrational splittings in H2, HD and D2
Accurate experimental values for the vibrational ground tone or fundamental vibrational
energy splitting of H 2, HD, and D 2 are presented. Absolute accuracies of 2× 10-4 cm− 1 …
energy splitting of H 2, HD, and D 2 are presented. Absolute accuracies of 2× 10-4 cm− 1 …
Accurate level energies in the EF1, GK1, H1, B1, B′ 1, J1Δg states of H2
D Bailly, EJ Salumbides, M Vervloet… - Molecular Physics, 2010 - Taylor & Francis
By combining results from a Doppler-free two-photon laser excitation study on several lines
in the EF1− X1 (0, 0) band of H2 with results from a Fourier-transform spectroscopic study on …
in the EF1− X1 (0, 0) band of H2 with results from a Fourier-transform spectroscopic study on …
QED Effects in Molecules: Test on Rotational Quantum States of
Quantum electrodynamic effects have been systematically tested in the progression of
rotational quantum states in the X Σ g+ 1, v= 0 vibronic ground state of molecular hydrogen …
rotational quantum states in the X Σ g+ 1, v= 0 vibronic ground state of molecular hydrogen …
Toward a unique nitrogen isotopic ratio in cometary ices
P Rousselot, O Pirali, E Jehin, M Vervloet… - The Astrophysical …, 2013 - iopscience.iop.org
Determination of the nitrogen isotopic ratios in different bodies of the solar system provides
important information regarding the solar system's origin. We unambiguously identified …
important information regarding the solar system's origin. We unambiguously identified …