Abstract
The transient field precession has been measured for16O ions in the 3 −1 excited state recoiling into magnetized iron foils with an initial velocity of 8.0v 0 (v 0=c/137). The recoil velocity after passage through the Fe foils has been varied by adjusting the foil thickness. The resulting field strengths show strong deviations from the empirical linear velocity dependence of the transient field. The velocity dependence can be described well on the basis of recently measured probabilities for K-shell vacancy production for O in Fe, with a velocity independent degree of polarization ξ=0.14 for the unpaired electrons in the K-shell.
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Becker, A., Holthuizen, A., Rutten, A.J. et al. The velocity dependence of the transient magnetic field of O in Fe. Hyperfine Interact 11, 279–292 (1981). https://doi.org/10.1007/BF01026487
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DOI: https://doi.org/10.1007/BF01026487