activity
20192025
most citedHigh accuracy theoretical investigations of CaF, SrF, and BaF and implications for laser-cooling

83 citations · 206 across the 10 of their papers we have counts for

collaborators

10 papers

physics.atom-ph2025

Precision spectroscopy of the transition in BaF

M. C. Mooij, H. L. Bethlem, W. Ubachs +14

High-resolution spectroscopy on the - electronic system of BaF is performed using a cold molecular beam produced by a buffer gas source. The hyperfin…

physics.atom-ph2024★ 1 cited

Manipulating a beam of barium fluoride molecules using an electrostatic hexapole

Anno Touwen, Joost W. F. van Hofslot, Thijs Qualm +14

An electrostatic hexapole lens is used to manipulate the transverse properties of a beam of barium fluoride molecules from a cryogenic buffer gas source. The spatial distribution o…

physics.atom-ph2024★ 11 cited

Influence of source parameters on the longitudinal phase-space distribution of a pulsed cryogenic beam of barium fluoride molecules

M C Mooij, H L Bethlem, A Boeschoten +13

Recently, we have demonstrated a method to record the longitudinal phase-space distribution of a pulsed cryogenic buffer gas cooled beam of barium fluoride molecules. In this paper…

physics.atom-ph2024★ 2 cited

A novel method to determine the phase-space distribution of a pulsed molecular beam

Maarten C. Mooij, Hendrick L. Bethlem, Alexander Boeschoten +11

We demonstrate a novel method to determine the longitudinal phase-space distribution of a cryogenic buffer gas beam of barium-fluoride molecules based on a two-step laser excitatio…

physics.atom-ph2023★ 2 cited

Novel spin-precession method for sensitive EDM searches

A. Boeschoten, V. R. Marshall, T. B. Meijknecht +10

We demonstrate a spin-precession method to observe and analyze multi-level coherence between all hyperfine levels in the ground state of barium monofluoride (…

physics.atom-ph2022★ 22 cited

Benchmarking of the Fock space coupled cluster method and uncertainty estimation: Magnetic hyperfine interaction in the excited state of BaF

Malika Denis, Pi A. B. Haase, Maarten C. Mooij +16

We present an investigation of the performance of the relativistic multi-reference Fock-space coupled cluster (FSCC) method for predicting molecular hyperfine structure (HFS) const…

physics.atom-ph2021★ 34 cited

Systematic study and uncertainty evaluation of -odd molecular enhancement factors in BaF

Pi A. B. Haase, Diewertje J. Doeglas, Alexander Boeschoten +17

A measurement of the magnitude of the electric dipole moment of the electron (eEDM) larger than that predicted by the Standard Model (SM) of particle physics is expected to have a…

physics.atom-ph2021★ 31 cited

Deceleration and trapping of SrF molecules

eEDM collaboration, P. Aggarwal, Y. Yin +13

We report on the electrostatic trapping of neutral SrF molecules. The molecules are captured from a cryogenic buffer-gas beam source into the moving traps of a 4.5 m long traveling…

physics.atom-ph2019★ 20 cited

Lifetime Measurements of the and States in BaF

P. Aggarwal, V. R. Marshall, H. L. Bethlem +16

Time resolved detection of laser induced fluorescence from pulsed excitation of electronic states in barium monofluoride (BaF) molecules has been performed in order to determine th…

physics.atom-ph2019★ 83 cited

High accuracy theoretical investigations of CaF, SrF, and BaF and implications for laser-cooling

Yongliang Hao, Lukaš F. Pašteka, Lucas Visscher +19

The NL-eEDM collaboration is building an experimental setup to search for the permanent electric dipole moment of the electron in a slow beam of cold barium fluoride molecules [Eur…