== Equation ==
[http://www.nmr-relax.com/manual/Dispersion_model_summary.html Please see the summary of the model parameters here.]
<math>
R_{2,\textrm{eff}} = \frac{R_2^A+R_2^B+k_{\textrm{EX}}}{2} - \nu_{\textrm{cpmg}} \cosh^{-1} (D_+\cosh(\eta_+) - D_-\cos(\eta_-))
</math>
== Parameters ==