Springer Online Journal Archives 1860-2000
Abstract Theμ + decay asymmetry was measured as a function of longitudinal magnetic field (LF) between zero and 10 kG in spin decoupling experiments on muons in water, c-hexane, CS2, C6F6, C6H6 etc. The results were compared both with the diamagnetic polarization,P D, measured by transverse-field (TF) experimentsμ +SR, and with the asymmetry observed inμ + spin resonance experiments under longitudinal field. These results have been interpreted in terms of spin conversion and chemical reactions of muonium (Mu) with paramagnetic species such as free radicals in the muon track or spur. It is argued that spin-conversion reactions are responsible for the so-called “missing fraction” ofμ + polarization in various media.
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