Abstract
An approximate analytical solution is obtained for the kinetic equation for electrons in the field of a Coulomb centre formed by a muon in the end of its track. It is shown that thermalization times and <r2> could differ by several orders of magnitude, depending on the behaviour of transport cross sections. The fraction of non-thermalized electrons returning to the muon and forming muonium (P Mu ) depends on pressure and temperature. Therefore,μSR experiments give us an opportunity to obtain information on the distribution function of track electrons.
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Gorelkin, V.N., Konchakov, A.M. & Kotova, L.P. Kinetic processes of muonium formation by non-thermalized electrons in the spur model. Hyperfine Interact 87, 997–1004 (1994). https://doi.org/10.1007/BF02068496
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DOI: https://doi.org/10.1007/BF02068496