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Harding, R. D.; Pallada, S.; Croese, J.; Antušek, A.; Baranowski, M.; Bissell, M. L.; Cerato, L.; Dziubinska-Kühn, 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. Madurga; Neyens, G.; Pietrzyk, R.; Plavec, J.; Pomorski, M.; Skrzypczak, A.; Wagenknecht, P.; Wienholtz, F.; Wolak, J.; Xu, Z.; Zakoucky, D.; Kowalska, M.
Physical review. X, 12/2020, Letnik: 10, Številka: 4Journal Article
We determine for the first time the magnetic dipole moment of a short-lived nucleus with part-per-million (ppm) accuracy. To achieve this 2-orders-of-magnitude improvement over previous studies, we implement a number of innovations into ourβ-detected nuclear magnetic resonance (β-NMR) setup at ISOLDE at CERN. Using liquid samples as hosts, we obtain narrow, subkilohertz-linewidth, resonances, while a simultaneous in situH1NMR measurement allows us to calibrate and stabilize the magnetic field to ppm precision, thus eliminating the need for additionalβ-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 nucleusNa26, 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 ultrasensitiveβ-NMR in physics, chemistry, and biology.
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JCR | SNIP | JCR | SNIP | JCR | SNIP | JCR | SNIP |
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Vir: Osebne bibliografije
in: SICRIS
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