Find Research Outputs

Search in all content

Filters for Research Output

Search concepts
Selected filters

Publication Year

  • 2020
  • 2019
  • 2018
  • 2017
  • 2016
  • 2014
  • 2013
  • 2012
  • 2011

Author

  • WMG Ubachs
Article

Introduction to the Special issue Spectroscopic Tests of Fundamental Physics

Steimle, T. & Ubachs, W. M. G., 2014, In : Journal of Molecular Spectroscopy. 300, SI, p. 1-2 2 p.

Research output: Contribution to JournalArticleAcademicpeer-review

Ion distribution and ablation depth measurements of a fs-ps laser-irradiated solid tin target

Deuzeman, M. J., Stodolna, A. S., Leerssen, E. E. B., Antoncecchi, A., Spook, N., Kleijntjens, T., Versluis, J., Witte, S., Eikema, K. S. E., Ubachs, W., Hoekstra, R. & Versolato, O. O., 14 Mar 2017, In : Journal of Applied Physics. 121, 10, 103301.

Research output: Contribution to JournalArticleAcademicpeer-review

Isotope selective photodissociation of N-2 by the interstellar radiation field and cosmic rays

Heays, A. N., Visser, R., Gredel, R., Ubachs, W. M. G., Lewis, B. R., Gibson, S. T. & van Dishoeck, E. F., 2014, In : Astronomy and Astrophysics. 562, A61.

Research output: Contribution to JournalArticleAcademicpeer-review

Lamb-dips and Lamb-peaks in the saturation spectrum of HD

Diouf, M. L., Cozijn, F. M. J., Darquié, B., Salumbides, E. J. & Ubachs, W., 1 Oct 2019, In : Optics Letters. 44, 19, p. 4733-4736 4 p.

Research output: Contribution to JournalArticleAcademicpeer-review

Laser cooling of beryllium ions using a frequency-doubled 626 nm diode laser

Cozijn, F. M. J., Biesheuvel, J., Flores, A. S., Ubachs, W. M. G., Blume, G., Wicht, A., Paschke, K., Erbert, G. & Koelemeij, J. C. J., 2013, In : Optics Letters. 38, 13, p. 2370-2372

Research output: Contribution to JournalArticleAcademicpeer-review

Lifetime measurements of the A 2 Π1/2 and A 2 Π3/2 states in BaF

NL-eEDM Collaboration, 12 Nov 2019, In : Physical Review A. 100, 5, p. 1-5 5 p., 052503.

Research output: Contribution to JournalArticleAcademicpeer-review

Limits on a gravitational field dependence of the proton-electron mass ratio from h_{2} in white dwarf stars.

Bagdonaite, J., Salumbides, E. J., Preval, S. P., Barstow, M. A., Barrow, J. D., Murphy, M. T. & Ubachs, W. M. G., 2014, In : Physical Review Letters. 113, 12, 123002.

Research output: Contribution to JournalArticleAcademicpeer-review

Measuring the electric dipole moment of the electron in BaF

Aggarwal, P., Bethlem, H. L., Borschevsky, A., Denis, M., Esajas, K., Haase, P. A. B., Hao, Y., Hoekstra, S., Jungmann, K., Meijknecht, T. B., Mooij, M. C., Timmermans, R. G. E., Ubachs, W., Willmann, L. & Zapara, A., 20 Nov 2018, In : European Physical Journal D. Atomic, Molecular, Optical and Plasma Physics. 72, 11, 197.

Research output: Contribution to JournalArticleAcademicpeer-review

Open Access

Methanol as a Sensitive Probe for Spatial and Temporal Variations of the Proton-to-Electron Mass Ratio

Jansen, P., Xu, L-H., Kleiner, I., Ubachs, W. M. G. & Bethlem, H. L., 2011, In : Physical Review Letters. 106, 10, p. 100801

Research output: Contribution to JournalArticleAcademicpeer-review

Open Access
File
213 Downloads (Pure)

Methyl mercaptan (CH3SH) as a probe for variation of the proton-to-electron mass ratio

Jansen, P., Xu, L. H., Kleiner, I., Bethlem, H. L. & Ubachs, W. M. G., 2013, In : Physical Review A. Atomic, Molecular and Optical Physics. 87, 5, 052509.

Research output: Contribution to JournalArticleAcademicpeer-review

Molecular Fountain

Cheng, C., van der Poel, A. P. P., Jansen, P., Quintero Perez, M., Wall, T. E., Ubachs, W. M. G. & Bethlem, H. L., 2016, In : Physical Review Letters. 117, 25, 5 p., 253201.

Research output: Contribution to JournalArticleAcademicpeer-review

Open Access
File
81 Downloads (Pure)

New constraint on cosmological variation of the proton-to-electron mass ratio from Q0528-250

King, J. A., Murphy, M. T., Ubachs, W. M. G. & Webb, J. K., 2011, In : Monthly Notices of the Royal Astronomical Society. 417, p. 3010-3024 15 p.

Research output: Contribution to JournalArticleAcademicpeer-review

Open Access
File
191 Downloads (Pure)

Novel techniques in VUV high-resolution spectroscopy

Ubachs, W. M. G., Salumbides, E. J., Eikema, K. S. E., de Oliveira, N. & Nahon, L., 2014, In : Journal of Electron Spectroscopy and Related Phenomena. 196, p. 159-164

Research output: Contribution to JournalArticleAcademicpeer-review

Observation of the v '=8 <- v=0 vibrational overtone in cold trapped HD+

Koelemeij, J. C. J., Noom, D. W. E., de Jong, D., Haddad, M. A. & Ubachs, W. M. G., 2012, In : Applied Physics B. Lasers and Optics. 107, 4, p. 1075-1085

Research output: Contribution to JournalArticleAcademicpeer-review

Optical spectroscopy of complex open 4d-shell ions Sn7+ - Sn10+

Torretti, F., Windberger, R. A. W., Ryabtsev, A., Dobrodey, S., Bekker, H., Ubachs, W., Hoekstra, R., Kahl, E. V., Berengut, J. C., Crespo López-Urrutia, J. R. & Versolato, O., 10 Apr 2017, In : Physical Review A. 95, 4, 042503.

Research output: Contribution to JournalArticleAcademicpeer-review

Optomechanical Shutter Modulated Broad-Band Cavity−Enhanced Absorption Spectroscopy of Molecular Transients of Astrophysical Interest

Walsh, A., Zhao, D., Ubachs, W. M. G. & Linnartz, H. V. J., 2013, In : Journal of Physical Chemistry A.

Research output: Contribution to JournalArticleAcademicpeer-review

Perspective: Tipping the scales: Search for drifting constants from molecular spectra

Jansen, P., Bethlem, H. L. & Ubachs, W. M. G., 2014, In : Journal of Chemical Physics. 140, 1, 010901.

Research output: Contribution to JournalArticleAcademicpeer-review

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

Trivikram, M., Hakalla, R., Heays, A. N., Niu, M., Scheidegger, S., Salumbides, E. J., de Oliveira, N., Field, R. W. & Ubachs, W., 4 Aug 2017, In : Molecular Physics. 115, 24, p. 3178-3191 14 p.

Research output: Contribution to JournalArticleAcademicpeer-review

Open Access

Photodissociation of interstellar N2

Li, X., Heays, A. N., Visser, R., Ubachs, W. M. G., Lewis, B. R., Gibson, S. T. & van Dishoeck, E. F., 2013, In : Astronomy and Astrophysics. 555, 18 p., A14.

Research output: Contribution to JournalArticleAcademicpeer-review

Physics beyond the Standard Model from hydrogen spectroscopy

Ubachs, W. M. G., Koelemeij, J. C. J., Eikema, K. S. E. & Salumbides, E. J., 2016, In : Journal of Molecular Spectroscopy. 320, p. 1-12

Research output: Contribution to JournalArticleAcademicpeer-review

Open Access

Plasma Propulsion of a Metallic Microdroplet and its Deformation upon Laser Impact

Kurilovich, D., Klein, A. L., Torretti, F., Lassise, A., Hoekstra, R., Ubachs, W. M. G., Gelderblom, H. & Versolato, O., 2016, In : Physical Review Applied. 6, 1, 014018.

Research output: Contribution to JournalArticleAcademicpeer-review

Plasmon switching: Observation of dynamic surface plasmon steering by selective mode excitation in a sub-wavelength slit

Raghunathan, S. B., Gan, C. H., van Dijk, T., Kim, B. E., Schouten, H., Ubachs, W. M. G., Lalanne, P. & Visser, T. D., 2012, In : Optics Express. 20, 14, p. 15326-15335

Research output: Contribution to JournalArticleAcademicpeer-review

Open Access
File
160 Downloads (Pure)

Power-law scaling of plasma pressure on laser-ablated tin microdroplets

Kurilovich, D., Basko, M. M., Kim, D. A., Torretti, F., Schupp, R., Visschers, J. C., Scheers, J., Hoekstra, R., Ubachs, W. & Versolato, O. O., 19 Jan 2018, In : Physics of Plasmas. 25, 1, p. 012709 10 p., 012709.

Research output: Contribution to JournalArticleAcademicpeer-review

Open Access

Precision measurement of the fundamental vibrational frequencies of tritium-bearing hydrogen molecules: T2, DT, HT

Lai, K., Hermann, V., Trivikram, T. M., Diouf, M., Schlösser, M., Ubachs, W. & Salumbides, E. J., 28 Apr 2020, In : Physical Chemistry Chemical Physics. 22, 16, p. 8973-8987 15 p.

Research output: Contribution to JournalArticleAcademicpeer-review

Precision measurements and test of molecular theory in highly excited vibrational states of H2 (v = 11)

Trivikram, T. M., Niu, M. L., Wcisło, P., Ubachs, W. & Salumbides, E. J., 1 Dec 2016, In : Applied Physics B. Lasers and Optics. 122, 12, 294.

Research output: Contribution to JournalArticleAcademicpeer-review

Open Access

Precision metrology on the hydrogen atom in search for new physics

Ubachs, W. M. G., Vassen, W., Salumbides, E. J. & Eikema, K. S. E., 2013, In : Annalen der Physik. 525, 7, p. A113-a115

Research output: Contribution to JournalArticleAcademicpeer-review

Precision spectroscopy and comprehensive analysis of perturbations in the A 1 ∏(v = 0) state of 13 C 18 O

Hakalla, R., Trivikram, T. M., Heays, A. N., Salumbides, E. J., de Oliveira, N., Field, R. W. & Ubachs, W., 2 Jan 2019, In : Molecular Physics. 117, 1, p. 79-96 18 p.

Research output: Contribution to JournalArticleAcademicpeer-review

Open Access
File
93 Downloads (Pure)

Precision spectroscopy of the X-1 Sigma(+)(g), v=0 -> 1(J=0-2) rovibrational splittings in H-2, HD and D-2

Niu, M., Salumbides, E. J., Dickenson, G. D., Eikema, K. S. E. & Ubachs, W. M. G., 2014, In : Journal of Molecular Spectroscopy. 300, SI, p. 44-54

Research output: Contribution to JournalArticleAcademicpeer-review

Probing QED and fundamental constants through laser spectroscopy of vibrational transitions in HD

Biesheuvel, J., Karr, J-P., Hilico, L., Eikema, K. S. E., Ubachs, W. M. G. & Koelemeij, J. C. J., 2016, In : Nature Communications. 7, 10385.

Research output: Contribution to JournalArticleAcademicpeer-review

Open Access

Probing the Gravitational Dependence of the Fine-Structure Constant from Observations of White Dwarf Stars

Bainbridge, M. B., Barstow, M. A., Reindl, N., Tchang-Brillet, W. -U. L., Ayres, T. R., Webb, J. K., Barrow, J. D., Hu, J., Holberg, J. B., Preval, S. P., Ubachs, W., Dzuba, V. A., Flambaum, V. V., Dumont, V. & Berengut, J. C., Jun 2017, In : UNIVERSE. 3, 2, 32.

Research output: Contribution to JournalArticleAcademicpeer-review

Open Access

Prominent radiative contributions from multiply-excited states in laser-produced tin plasma for nanolithography

Torretti, F., Sheil, J., Schupp, R., Basko, M. M., Bayraktar, M., Meijer, R. A., Witte, S., Ubachs, W., Hoekstra, R., Versolato, O. O., Neukirch, A. J. & Colgan, J., 11 May 2020, In : Nature Communications. 11, 1, p. 1-8 8 p., 2334.

Research output: Contribution to JournalArticleAcademicpeer-review

Open Access

Prospects for high-resolution microwave spectroscopy of methanol in a Stark-deflected molecular beam

Jansen, P., Kleiner, I., Meng, C., Lees, R., Janssen, M. H. M., Ubachs, W. M. G. & Bethlem, H. L., 2013, In : Molecular Physics. 111, 12-13, p. 1923-1930

Research output: Contribution to JournalArticleAcademicpeer-review

Proton-electron mass ratio from laser spectroscopy of HD+ at the part-per-trillion level

Patra, S., Germann, M., Karr, J. P., Haidar, M., Hilico, L., Korobov, V. I., Cozijn, F. M. J., Eikema, K. S. E., Ubachs, W. & Koelemeij, J. C. J., 4 Sep 2020, In : Science (New York, N.Y.). 369, 6508, p. 1238-1241 4 p.

Research output: Contribution to JournalArticleAcademicpeer-review

QED Effects in Molecules: Test on Rotational Quantum States of H(2)

Salumbides, E. J., Dickenson, G. D., Ivanov, T. I. & Ubachs, W. M. G., 2011, In : Physical Review Letters. 107, 4, p. 043005

Research output: Contribution to JournalArticleAcademicpeer-review

Open Access
File
87 Downloads (Pure)

Radiation transport and scaling of optical depth in Nd:YAG laser-produced microdroplet-tin plasma

Schupp, R., Torretti, F., Meijer, R. A., Bayraktar, M., Sheil, J., Scheers, J., Kurilovich, D., Bayerle, A., Schafgans, A. A., Purvis, M., Eikema, K. S. E., Witte, S., Ubachs, W., Hoekstra, R. & Versolato, O. O., 19 Sep 2019, In : Applied Physics Letters. 115, 12, p. 1-5 5 p., 124101.

Research output: Contribution to JournalArticleAcademicpeer-review

Open Access

Ramsey-type microwave spectroscopy on CO (alpha(3) II)

de Nijs, A. J., Ubachs, W. M. G. & Bethlem, H. L., 2014, In : Journal of Molecular Spectroscopy. 300, SI, p. 79-85

Research output: Contribution to JournalArticleAcademicpeer-review

Rayleigh-Brillouin light scattering spectra of CO2 from molecular dynamics

Jamali, S. H., De Groen, M., Moultos, O. A., Hartkamp, R., Vlugt, T. J. H., Ubachs, W. & Van De Water, W., 14 Aug 2019, In : Journal of Chemical Physics. 151, 6, p. 1-8 8 p., 064201.

Research output: Contribution to JournalArticleAcademicpeer-review

Rayleigh–Brillouin light scattering spectroscopy of nitrous oxide (N2O)

Wang, Y., Liang, K., van de Water, W., Marques, W. & Ubachs, W., Feb 2018, In : Journal of Quantitative Spectroscopy and Radiative Transfer. 206, p. 63-69 7 p.

Research output: Contribution to JournalArticleAcademicpeer-review

Rayleigh-Brillouin scattering in SF6 in the kinetic regime

Wang, Y., Yu, Y., Liang, K., Marques, W., van de Water, W. & Ubachs, W., 1 Feb 2017, In : Chemical Physics Letters. 669, p. 137-142 6 p.

Research output: Contribution to JournalArticleAcademicpeer-review

Rayleigh-Brillouin scattering of carbon dioxide

Gu, Z., Ubachs, W. M. G. & van der Water, W., 2014, In : Optics Letters. 39, 11, p. 3301-3304

Research output: Contribution to JournalArticleAcademicpeer-review

Rayleigh-Brillouin scattering profiles of air at different temperatures and pressures

Gu, Z., Witschas, B., van der Water, W. & Ubachs, W. M. G., 2013, In : Applied Optics. 52, 19, p. 4640-51

Research output: Contribution to JournalArticleAcademicpeer-review

Relativistic and QED Effects in the Fundamental Vibration of T2

Madhu Trivikram, T., Schlösser, M., Ubachs, W. & Salumbides, E. J., 16 Apr 2018, In : Physical Review Letters. 120, 16, p. 1-5 5 p., 163002.

Research output: Contribution to JournalArticleAcademicpeer-review

Robust Constraint on a Drifting Proton-to-Electron Mass Ratio at z=0: 89 from Methanol Observation at Three Radio Telescopes

Bagdonaite, J., Dapra, M., Jansen, P., Bethlem, H. L., Ubachs, W. M. G., Muller, S., Henkel, C. & Menten, K. M., 2013, In : Physical Review Letters. 111, 23, 231101.

Research output: Contribution to JournalArticleAcademicpeer-review

Rotationally resolved spectra of the 4051 angstrom comet band of C-3 for all six C-12 and C-13 isotopologues

Haddad, M. A., Zhao, D., Linnartz, H. V. J. & Ubachs, W. M. G., 2014, In : Journal of Molecular Spectroscopy. 297, p. 41-50

Research output: Contribution to JournalArticleAcademicpeer-review

Open Access
File
145 Downloads (Pure)

Sensitivity of transitions in internal rotor molecules to a possible variation of the proton-to-electron mass ratio

Jansen, P., Kleiner, I., Xu, L-H., Ubachs, W. M. G. & Bethlem, H. L., 2011, In : Physical Review A. Atomic, Molecular and Optical Physics. 84, 6, 06250584.

Research output: Contribution to JournalArticleAcademicpeer-review

Open Access
File
129 Downloads (Pure)

Sensitivity to a possible variation of the proton-to-electron mass ratio torsion-wagging-rotation transitions in methylamine CH3NH2

Ilyushin, V. V., Jansen, P., Kozlov, M. G., Levshakov, S. G., Kleiner, I., Ubachs, W. M. G. & Bethlem, H. L., 2012, In : Physical Review A. Atomic, Molecular and Optical Physics. 85, 3, 032505.

Research output: Contribution to JournalArticleAcademicpeer-review

Open Access
File
134 Downloads (Pure)

Short-wavelength out-of-band EUV emission from Sn laser-produced plasma

Torretti, F., Schupp, R., Kurilovich, D., Bayerle, A., Scheers, J., Ubachs, W., Hoekstra, R. & Versolato, O., 25 Jan 2018, In : Journal of Physics B. Atomic, Molecular and Optical Physics. 51, 045005, 045005.

Research output: Contribution to JournalArticleAcademicpeer-review

Open Access

Sn ion energy distributions of ns- A nd ps-laser produced plasmas

Bayerle, A., Deuzeman, M. J., Van Der Heijden, S., Kurilovich, D., De Faria Pinto, T. D., Stodolna, A., Witte, S., Eikema, K. S. E., Ubachs, W., Hoekstra, R. & Versolato, O. O., 4 Apr 2018, In : Plasma sources science & technology. 27, 4, p. 1-9 8 p., 045001.

Research output: Contribution to JournalArticleAcademicpeer-review

Open Access