Magnetic Moments of Short-Lived Nuclei with Part-per-Million Accuracy: Toward Novel Applications of beta-Detected NMR in Physics, Chemistry, and Biology

0538381 - ÚJF 2021 RIV US eng J - Journal Article
Harding, R. D. - Pallada, S. - Croese, J. - Antušek, A. - Baranowski, M. - Bissel, M. L. - Cerato, L. - Dziubinska-Kuhn, K. M. - Gins, W. - Gustafsson, F. P. - Javaji, A. - Jolivet, R. B. - Kanellakopoulos, A. - Karg, B. - Kempka, M. - Kocman, V. - Kozak, M. - Kulesz, K. - Flores, M. M. - Neyens, G. - Pietrzyk, R. - Plavec, J. - Pomorski, M. - Skrzypczak, A. - Wagenknecht, P. - Wienholtz, F. - Wolak, J. - Xu, Z. - Zákoucký, Dalibor - Kowalska, M.
Magnetic Moments of Short-Lived Nuclei with Part-per-Million Accuracy: Toward Novel Applications of beta-Detected NMR in Physics, Chemistry, and Biology.
Physical Review X. Roč. 10, č. 4 (2020), č. článku 041061. ISSN 2160-3308. E-ISSN 2160-3308
R&D Projects: GA MŠMT(CZ) LM2018104; GA MŠMT(CZ) LTT17018
Institutional support: RVO:61389005
Keywords : nuclei * magnetic filed * ISOLDE CERN
OECD category: Particles and field physics
Impact factor: 15.762, year: 2020
Method of publishing: Open access
https://doi.org/10.1103/PhysRevX.10.041061

We determine for the first time the magnetic dipole moment of a short-lived nucleus with part-permillion (ppm) accuracy. To achieve this 2-orders-of-magnitude improvement over previous studies, we implement a number of innovations into our beta-detected nuclear magnetic resonance (beta-NMR) setup at ISOLDE at CERN. Using liquid samples as hosts, we obtain narrow, subkilohertz-linewidth, resonances, while a simultaneous in situ H-1 NMR measurement allows us to calibrate and stabilize the magnetic field to ppm precision, thus eliminating the need for additional beta-NMR reference measurements. Furthermore, we use ab initio calculations of NMR shielding constants to improve the accuracy of the reference magnetic moment, thus removing a large systematic error. We demonstrate the potential of this combined approach with the 1.1 s half-life radioactive nucleus Na-26, which is relevant for biochemical studies. Our technique can be readily extended to other isotopic chains, providing accurate magnetic moments for many short-lived nuclei. Furthermore, we discuss how our approach can open the path toward a wide range of applications of the ultrasensitive beta-NMR in physics, chemistry, and biology.
Permanent Link: http://hdl.handle.net/11104/0316188