Abstract
The purpose of this note is to examine the conditions under which muon level crossing resonance with quadrupolar nuclei may be used to characterise the elusive diamagnetic fraction which is formed when positive muons are stopped in various media and associated chemically with the host molecules. A potential difficulty is identified for nuclei having integral spin, which may explain why cross polarisation to14N has not yet been detected. The general suitability of nuclei with half-integral spin (I≥3/2) is illustrated with the case of17O, and suggestions are made for future studies with other nuclei, including species such as molecular ions and defect complexes (muon-impurity pairs).
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Cox, S.F.J., Buttar, D. & Smith, J.A.S. Muon addition to nitrogen, oxygen and other atoms: Considerations for level crossing resonance studies. Hyperfine Interact 65, 987–992 (1991). https://doi.org/10.1007/BF02397754
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DOI: https://doi.org/10.1007/BF02397754