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14:11, 15 December 2015 {{Infobox model parameter
| name = tau_e
| param = <onlyinclude>''τ<sub>e</sub>''</onlyinclude>
| desc = The effective correlation time for the Lipari and Szabo model-free theory.
| units = s.rad<sup>-1</sup>
}}
[[Category:Model-free analysis]]
[[Category:Model-free parameters]]