| A stringent limit on a drifting proton-to-electron mass ratio from alcohol in the early universe J Bagdonaite, P Jansen, C Henkel, HL Bethlem, KM Menten, W Ubachs Science 339 (6115), 46-48, 2013 | 178 | 2013 |
| Methanol as a Sensitive Probe for Spatial and Temporal Variations of<? format?> the Proton-to-Electron Mass Ratio P Jansen, LH Xu, I Kleiner, W Ubachs, HL Bethlem Physical Review Letters 106 (10), 100801, 2011 | 121 | 2011 |
| Perspective: Tipping the scales: Search for drifting constants from molecular spectra P Jansen, HL Bethlem, W Ubachs The Journal of chemical physics 140 (1), 2014 | 112 | 2014 |
| Robust Constraint on a Drifting Proton-to-Electron Mass Ratio at z<? format?>=<? format?> 0.89 from Methanol Observation at Three Radio Telescopes J Bagdonaite, M Daprà, P Jansen, HL Bethlem, W Ubachs, S Muller, ... Physical Review Letters 111 (23), 231101, 2013 | 84 | 2013 |
| Precision measurement of the ionization energy of Cs i J Deiglmayr, H Herburger, H Saßmannshausen, P Jansen, H Schmutz, ... Physical Review A 93 (1), 013424, 2016 | 80 | 2016 |
| Static trapping of polar molecules in a traveling wave decelerator M Quintero-Pérez, P Jansen, TE Wall, JE van den Berg, S Hoekstra, ... Physical Review Letters 110 (13), 133003, 2013 | 73 | 2013 |
| Molecular fountain C Cheng, APP Van Der Poel, P Jansen, M Quintero-Pérez, TE Wall, ... Physical Review Letters 117 (25), 253201, 2016 | 57 | 2016 |
| Slow and velocity-tunable beams of metastable by multistage Zeeman deceleration M Motsch, P Jansen, JA Agner, H Schmutz, F Merkt Physical review A 89 (4), 043420, 2014 | 50 | 2014 |
| Sensitivity of transitions in internal rotor molecules to a possible variation of the proton-to-electron mass ratio P Jansen, I Kleiner, LH Xu, W Ubachs, HL Bethlem Physical Review A—Atomic, Molecular, and Optical Physics 84 (6), 062505, 2011 | 48 | 2011 |
| A Unified Framework for Understanding Nucleophilicity and Protophilicity in the SN2/E2 Competition P Vermeeren, T Hansen, P Jansen, M Swart, TA Hamlin, FM Bickelhaupt Chemistry–A European Journal 26 (67), 15538-15548, 2020 | 45 | 2020 |
| Direct determination of the sign of the NO dipole moment A Gijsbertsen, W Siu, MF Kling, P Johnsson, P Jansen, S Stolte, ... Physical review letters 99 (21), 213003, 2007 | 45 | 2007 |
| Deceleration and trapping of ammonia molecules in a traveling-wave decelerator P Jansen, M Quintero-Pérez, TE Wall, JE van den Berg, S Hoekstra, ... Physical Review A—Atomic, Molecular, and Optical Physics 88 (4), 043424, 2013 | 32 | 2013 |
| Sensitivity to a possible variation of the proton-to-electron mass ratio of torsion-wagging-rotation transitions in methylamine CHNH VV Ilyushin, P Jansen, MG Kozlov, SA Levshakov, I Kleiner, W Ubachs, ... Physical Review A—Atomic, Molecular, and Optical Physics 85 (3), 032505, 2012 | 32 | 2012 |
| Ionization Energy of the Metastable State of from Rydberg-Series Extrapolation G Clausen, P Jansen, S Scheidegger, JA Agner, H Schmutz, F Merkt Physical Review Letters 127 (9), 093001, 2021 | 30 | 2021 |
| Precision Spectroscopy in Cold Molecules: The Lowest Rotational Interval of and Metastable P Jansen, L Semeria, LE Hofer, S Scheidegger, JA Agner, H Schmutz, ... Physical review letters 115 (13), 133202, 2015 | 26 | 2015 |
| Precision Measurements in Few-Electron Molecules: The Ionization Energy of Metastable and the First Rotational Interval of L Semeria, P Jansen, GM Camenisch, F Mellini, H Schmutz, F Merkt Physical review letters 124 (21), 213001, 2020 | 20 | 2020 |
| Methyl mercaptan (CHSH) as a probe for variation of the proton-to-electron mass ratio P Jansen, LH Xu, I Kleiner, HL Bethlem, W Ubachs Physical Review A—Atomic, Molecular, and Optical Physics 87 (5), 052509, 2013 | 17 | 2013 |
| Manipulating beams of paramagnetic atoms and molecules using inhomogeneous magnetic fields P Jansen, F Merkt Progress in nuclear magnetic resonance spectroscopy 120, 118-148, 2020 | 16 | 2020 |
| A compact molecular beam machine P Jansen, DW Chandler, KE Strecker Review of Scientific Instruments 80 (8), 2009 | 16 | 2009 |
| Molecular-beam resonance method with Zeeman-decelerated samples: Application to metastable helium molecules L Semeria, P Jansen, G Clausen, JA Agner, H Schmutz, F Merkt Physical Review A 98 (6), 062518, 2018 | 15 | 2018 |
Hendrick BethlemAssociate professor of Physics, Vrije Universiteit AmsterdamVerified email at vu.nl
