NL-eEDM



I lead the NL-eEDM consortium which is a research program to measure the electron's electric dipole moment. The experiment is located at the university of Groningen, and it is a collaborative effort of a team from the Van Swinderen Institute in Groningen with the Vrije Universiteit in Amsterdam, embedded in the Dutch National Institute for particle physics Nikhef. 

The staff involved is Anastasia Borschevsky, Rick Bethlem, Steven Hoekstra, Klaus Jungmann, Rob Timmermans, Wim Ubachs, and Lorenz Willmann.
Below you see a virtual labtour (april 2021) of the NL-eEDM experiment by a number of the PhD students working on the project. In order of appearance, you see Maarten Mooij, Anno Touwen, Parul Aggarwal, Pi Haase, Thomas Meijknecht and Ginny Marshall.

Publications


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, A Borschevsky, K Esajas, T H Fikkers, S Hoekstra, J W F van Hofslot, K Jungmann, V R Marshall, T B Meijknecht, R G E Timmermans, A Touwen, W Ubachs, L Willmann, Y Yin.

New Journal of Physics, vol. 26, 2024, p. 053009


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


Maarten C. Mooij, Hendrick L. Bethlem, Alexander Boeschoten, Anastasia Borschevsky, Ties H. Fikkers, Steven Hoekstra, Joost W. F. van Hofslot, Klaus Jungmann, Virginia R. Marshall, Thomas B. Meijknecht, Rob G. E. Timmermans, Anno Touwen, Wim Ubachs, Lorenz Willmann.

ArXiv:2401:16588


Manipulating a beam of barium fluoride molecules using an electrostatic hexapole


Anno Touwen, Joost W.F. van Hofslot, Thijs Qualm, Richard Borchers, Roman Bause, Hendrick L. Bethlem, Alexander Boeschoten, Anastasia Borschevsky, Ties H. Fikkers, Steven Hoekstra, Klaus Jungmann, Virginia R. Marshall, Thomas B. Meijknecht, Maarten C. Mooij, Rob G.E. Timmermans, Wim Ubachs, Lorenz Willmann

ArXiv:2402:09300


Novel spin-precession method for sensitive EDM searches


A. Boeschoten, V. R. Marshall, T. B. Meijknecht, A. Touwen, H. L. Bethlem, A. Borschevsky, S. Hoekstra, J. W. F. van Hofslot, K. Jungmann, M. C. Mooij, R. G. E. Timmermans, W. Ubachs, L. Willmann

arXiv:2303.06402, 2023


Deceleration and Trapping of SrF Molecules


P. Aggarwal, Y. Yin, K. Esajas, H. L. Bethlem, A. Boeschoten, A. Borschevsky, S. Hoekstra, K. Jungmann, V. R. Marshall, T. B. Meijknecht, M. C. Mooij, R. G. E. Timmermans, A. Touwen, W. Ubachs, L. Willmann

Physical Review Letters, vol. 127, 2021, p. 173201


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


Yongliang Hao, Lukáš F. Pašteka, Lucas Visscher, Parul Aggarwal, Hendrick L. Bethlem, Alexander Boeschoten, Anastasia Borschevsky, Malika Denis, Kevin Esajas, Steven Hoekstra, Klaus Jungmann, Virginia R. Marshall, Thomas B. Meijknecht, Maarten C. Mooij, Rob G. E. Timmermans, Anno Touwen, Wim Ubachs, Lorenz Willmann, Yanning Yin, Artem Zapara

Journal of Chemical Physics, vol. 151(3), 2019 Jun 15, p. 034302


Traveling-wave deceleration of SrF molecules


J.E. van den Berg, Sreekanth Chirayath Mathavan, C. Meinema, Janko Nauta, T. H. Nijbroek, Klaus-Peter Jungmann, H. L. Bethlem, Steven Hoekstra

Journal of Molecular Spectroscopy, vol. 300, 2014 May 1, pp. 22-25


Measuring the electric dipole moment of the electron in BaF


The NL-eEDM collaboration:, Parul Aggarwal, Hendrick L Bethlem, Anastasia Borschevsky, Malika Denis, Kevin Esajas, Pi A B Haase, Yongliang Hao, Steven Hoekstra, Klaus Jungmann, Thomas B Meijknecht, Maarten C Mooij, Rob G E Timmermans, Wim Ubachs, Lorenz Willmann, Artem Zapara

The European Physical Journal D, vol. 72, 2018, p. 197


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