Abstract
The theory of cascade depolarization of negative muons is generalized to the case where the orbital angular momentum of a meson becomes aligned as a result of its atomic capture. An explanation of the experimental data on the residual polarization of μ− in helium is proposed on the basis of the developed theory and available arguments in favour of the possible existence of alignment of the orbital angular momentum in the lightes exotic atoms. An angular distribution and linear polarization of muonic X-rays is considered. The connection between these characteristics and the depolarization factor due to the alignment of the orbital angular momentum enables one to make a direct experimental test of the proposed explanation of the residual polarization of muons in helium.
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Korenman, G.Y. The effect of alignment of the exotic atom orbital angular momentum on depolarization of negative muons. Hyperfine Interact 7, 265–277 (1979). https://doi.org/10.1007/BF01021509
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DOI: https://doi.org/10.1007/BF01021509