Abstract
The resonance technique has been applied to observe diamagnetic muons and, for the first time by the resonance, Mu-substituted radicals in organic liquids under strong decoupling magnetic fields. In benzoquinone solutions in benzene the relaxation of Mu-cyclohexadienyl radicals through reaction with quinone was directly observed by the radical resonance technique. The product of this reaction was then observed by the diamagnetic muon resonance as a slow formation. Similar slow formation was observed for diamagnetic muons in neat CS2 and for Mu-radicals in benzene and styrene. Such slow formation can never be observed by the rotation technique due to dephasing problem, and thus the previous method is expected to provide new source of information on slow reaction dynamics of muon containing species.
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Azuma, T., Nishiyama, K., Nagamine, K. et al. Delayed formation of muon-containing species in organic liquids observed by spin resonance technique. Hyperfine Interact 32, 837–843 (1986). https://doi.org/10.1007/BF02394993
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DOI: https://doi.org/10.1007/BF02394993