Publications | Molecular ionshttps://nat.vu.nl/~mbeyer/molecularions/publication/PublicationsWowchemy (https://wowchemy.com)en-usFri, 07 Aug 2026 00:00:00 +0000https://nat.vu.nl/~mbeyer/molecularions/media/icon_hua8b4edbe5970a4705f331ad60da27dc8_64331_512x512_fill_lanczos_center_3.pngPublicationshttps://nat.vu.nl/~mbeyer/molecularions/publication/Precision Spectroscopy of the Fine and Hyperfine Structures of High Molecular Rydberg-Stark States: Metrology of Molecular Hydrogen Ionshttps://nat.vu.nl/~mbeyer/molecularions/publication/doran2026b/Fri, 07 Aug 2026 00:00:00 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/doran2026b/Stark effect in molecular Rydberg states: Calculation of Rydberg-Stark manifolds of $\mathrm{H}_2$ and $\mathrm{D}_2$ including fine and hyperfine structureshttps://nat.vu.nl/~mbeyer/molecularions/publication/doran2026a/Thu, 18 Jun 2026 00:00:00 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/doran2026a/State-selected preparation of diatomic molecular ions for precision measurements in radio-frequency trapshttps://nat.vu.nl/~mbeyer/molecularions/publication/knapp2026a/Thu, 16 Apr 2026 00:00:00 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/knapp2026a/Laser cooling Rydberg molecules—a detailed study of the helium dimerhttps://nat.vu.nl/~mbeyer/molecularions/publication/verdegay2025a/Mon, 01 Sep 2025 00:00:00 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/verdegay2025a/Precision measurement of the last bound states in $\mathrm{H}_2$ and determination of the $\mathrm{H}+\mathrm{H}$ scattering lengthhttps://nat.vu.nl/~mbeyer/molecularions/publication/lai2025a/Tue, 11 Feb 2025 00:00:00 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/lai2025a/Rotational and spin-rotational level structure of para-$\mathrm{H}_2^+$ from high-resolution multichannel-quantum-defect-theory-assisted Rydberg-state spectroscopyhttps://nat.vu.nl/~mbeyer/molecularions/publication/doran2024a/Wed, 04 Dec 2024 00:00:00 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/doran2024a/Zero-Quantum-Defect Method and the Fundamental Vibrational Interval of $\mathrm{H}_2^+$https://nat.vu.nl/~mbeyer/molecularions/publication/doran2024b/Tue, 13 Feb 2024 00:00:00 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/doran2024b/Ionization and dissociation energies of HD and dipole-induced g/u-symmetry breakinghttps://nat.vu.nl/~mbeyer/molecularions/publication/hoelsch2023a/Tue, 22 Aug 2023 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/hoelsch2023a/High-precision Ramsey-comb spectroscopy on molecular deuterium for tests of molecular quantum theoryhttps://nat.vu.nl/~mbeyer/molecularions/publication/roth2023a/Mon, 22 May 2023 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/roth2023a/Spectroscopic study of the F outer well state in H$_2$, HD and D$_2$https://nat.vu.nl/~mbeyer/molecularions/publication/lai2023a/Fri, 14 Apr 2023 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/lai2023a/Black-body radiation-induced photodissociation and population redistribution of weakly bound states in H$_2^+$https://nat.vu.nl/~mbeyer/molecularions/publication/ochoa2022a/Thu, 27 Oct 2022 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/ochoa2022a/Precision millimetre-wave spectroscopy and calculation of the Stark manifolds in high Rydberg states of para-H$_2$https://nat.vu.nl/~mbeyer/molecularions/publication/hoelsch2022a/Sat, 18 Jun 2022 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/hoelsch2022a/Structure and dynamics of HD$^+$ in the vicinity of the H$^+$ + D and D$^+$ + H dissociation thresholds: Feshbach resonances and the role of g/u-symmetry breakinghttps://nat.vu.nl/~mbeyer/molecularions/publication/beyer2022a/Sun, 20 Mar 2022 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/beyer2022a/Improved ionization and dissociation energies of the deuterium moleculehttps://nat.vu.nl/~mbeyer/molecularions/publication/hussels2022a/Tue, 22 Feb 2022 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/hussels2022a/Precision measurement of quasi-bound resonances in H$_2$ and the H+H scattering lengthhttps://nat.vu.nl/~mbeyer/molecularions/publication/lai2021c/Fri, 17 Dec 2021 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/lai2021c/Shape Resonances in H$_2$ as Photolysis Reaction Intermediateshttps://nat.vu.nl/~mbeyer/molecularions/publication/lai2021b/Tue, 26 Oct 2021 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/lai2021b/Frequency-doubled Nd:YAG MOPA laser system with programmable rectangular pulses up to 200 microsecondshttps://nat.vu.nl/~mbeyer/molecularions/publication/beyer2021a/Tue, 15 Jun 2021 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/beyer2021a/Photolysis Production and Spectroscopic Investigation of the Highest Vibrational States in H$_2$ (X $v = 13, 14$)https://nat.vu.nl/~mbeyer/molecularions/publication/lai2021a/Wed, 27 Jan 2021 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/lai2021a/Determination of the Interval between the Ground States of Para- and Ortho-H$_2$https://nat.vu.nl/~mbeyer/molecularions/publication/beyer2019a/Wed, 16 Oct 2019 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/beyer2019a/Benchmarking Theory with an Improved Measurement of the Ionization and Dissociation Energies of H$_2$https://nat.vu.nl/~mbeyer/molecularions/publication/hoelsch2019a/Fri, 15 Mar 2019 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/hoelsch2019a/Hyperfine-interaction-induced g/u mixing and its implication on the existence of the first excited vibrational level of the A$^+$ state of H$_2^+$ and on the scattering length of the H + H$^+$ collisionhttps://nat.vu.nl/~mbeyer/molecularions/publication/beyer2018b/Mon, 03 Dec 2018 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/beyer2018b/Nonadiabatic effects on the positions and lifetimes of the low-lying rovibrational levels of the GK and H states of H$_2$https://nat.vu.nl/~mbeyer/molecularions/publication/hoelsch2018a/Wed, 17 Oct 2018 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/hoelsch2018a/Half-Collision Approach to Cold Chemistry: Shape Resonances, Elastic Scattering, and Radiative Association in the H$^+$ + H and D$^+$ + D Collision Systemshttps://nat.vu.nl/~mbeyer/molecularions/publication/beyer2018e/Thu, 27 Sep 2018 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/beyer2018e/Communication: Heavy-Rydberg states of HD and the electron affinity of the deuterium atomhttps://nat.vu.nl/~mbeyer/molecularions/publication/beyer2018d/Wed, 18 Jul 2018 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/beyer2018d/Dissociation Energy of the Hydrogen Molecule at $10^{-9}$ Accuracyhttps://nat.vu.nl/~mbeyer/molecularions/publication/cheng2018a/Tue, 03 Jul 2018 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/cheng2018a/Metrology of high-n Rydberg states of molecular hydrogen with $10^{-10}$ accuracyhttps://nat.vu.nl/~mbeyer/molecularions/publication/beyer2018a/Wed, 03 Jan 2018 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/beyer2018a/High-resolution photoelectron spectroscopy and calculations of the highest bound levels of D$_2^+$ below the first dissociation thresholdhttps://nat.vu.nl/~mbeyer/molecularions/publication/beyer2017a/Wed, 12 Jul 2017 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/beyer2017a/Structure and dynamics of H$_2^+$ near the dissociation threshold: A combined experimental and computational investigationhttps://nat.vu.nl/~mbeyer/molecularions/publication/beyer2016b/Sun, 11 Dec 2016 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/beyer2016b/Observation and Calculation of the Quasibound Rovibrational Levels of the Electronic Ground State of H$_2^+$https://nat.vu.nl/~mbeyer/molecularions/publication/beyer2016a/Mon, 29 Feb 2016 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/beyer2016a/The fundamental rotational interval of para-H$_2^+$ by MQDT-assisted Rydberg spectroscopy of H$_2$https://nat.vu.nl/~mbeyer/molecularions/publication/haase2015a/Wed, 11 Feb 2015 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/haase2015a/Precision measurement of the ionisation energy of the 3dσ GK state of H$_2$https://nat.vu.nl/~mbeyer/molecularions/publication/sprecher2013a/Wed, 01 May 2013 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/sprecher2013a/Precision measurements of ionization and dissociation energies by extrapolation of Rydberg series: From H$_2$ to larger moleculeshttps://nat.vu.nl/~mbeyer/molecularions/publication/sprecher2013b/Mon, 01 Apr 2013 13:19:55 +0000https://nat.vu.nl/~mbeyer/molecularions/publication/sprecher2013b/