Abstract
The depolarization rate for spin polarized μ+ particles implanted into a high purity niobium crystal was studied as a function of temperature. The results were analyzed in terms of nuclear dipolar field inhomogeneity due to the host93Nb, and the local field averaging effect of the muon's motion. An analysis is presented in terms of the structure of the muon wavefunction and parameters characterizing the muon diffusion.
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A similar anomaly was recently observed by H. K. Birnbaum et al. at S.I.N., Villigen, Switzerland.
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Supported in part by the U. S. National Science Foundation
Supported by the U. S. Energy Research and Development Administration
Supported by the U. S. National Aeronautics and Space Administration
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Lankford, W.F., Birnbaum, H.K., Fiory, A.T. et al. The localization and thermal diffusion of positive muons in niobium. Hyperfine Interact 4, 833–837 (1978). https://doi.org/10.1007/BF01021946
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DOI: https://doi.org/10.1007/BF01021946