Abstract
The bimolecular rate constants for muonium addition to ethene (CH2=CH2) in hydrocarbon liquids were found to be ∼2×1010 M−1s−1. These rate constants change with temperature in accordance with the Arrhenius equation; but the energy barrier to reaction (Ea) in 2-methylbutane is much less than that for viscous flow. This suggests either non-classical interaction rates stemming from the quantum character for muonium, or non-Stokes-Einstein behavior.
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Jean, Y.C., Ganti, R.L., Cheng, K.L. et al. Chemical dynamics of muonium in liquids. Hyperfine Interact 32, 813–817 (1986). https://doi.org/10.1007/BF02394989
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DOI: https://doi.org/10.1007/BF02394989