Abstract
In order to shed new light on the initial loss of muon spin polarization, or socalled “missing fraction”, which is commonly observed in non-metallic solids, we have studied muon-induced excitation in various alkali halides by measuring the luminescences associated with the radiative decay of the self-trapped excitons (STE). The result strongly suggests that the spin-exchange interaction between muonium and muon radiolysis products including STE's causes fast muon depolarization in those materials.
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Kadono, R., Matsushita, A., Nishiyama, K. et al. Muon radiolysis in alkali halides. Hyperfine Interact 87, 979–984 (1994). https://doi.org/10.1007/BF02068493
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DOI: https://doi.org/10.1007/BF02068493