Abstract
Nuclear magnetic resonance (NMR) spectrum of the short-lived nucleus 17N (I = 1/2, T1/2 = 4.17s) in liquid water was measured by means of the β-NMR technique to clarify the chemical species formed by nitrogen ions injected into water. We have improved the spectral resolution to 5ppm in the full width at half maximum which is about 1/40 times compared to the previous study. The shape of the obtained spectrum indicated that it may consist of multiple resonance lines rather than a single line. Some possibilities regarding the chemical states of nitrogen in water are discussed based on the present result.
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Acknowledgements
The work was performed under the Research Project with Heavy Ions at NIRS-HIMAC. The work was supported by JSPS KAKENHI Grant Number JP18K11920.
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This article is part of the Topical Collection on Proceedings of the International Conference on Hyperfine Interactions (HYPERFINE 2021), 5-10 September 2021, Brasov, Romania Edited by Ovidiu Crisan
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Mihara, M., Otani, Y., Kimura, Y. et al. High-resolution β-NMR of short-lived spin-1/2 nucleus 17N implanted into water. Hyperfine Interact 242, 49 (2021). https://doi.org/10.1007/s10751-021-01773-z
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DOI: https://doi.org/10.1007/s10751-021-01773-z