This is the original Luz and Meiboom 1963 relaxation dispersion model for 3-site fast exchange for SQ CPMG-type data. This model is labelled as LM63 3-site in relax.
Parameters
The LM63 3-site model has the parameters {$R_2^0$, $...$, $\Phi_{exB}$, $k_B$, $\Phi_{exC}$, $k_C$}.
Reference
The reference for the LM63 3-site model is:
- Luz, Z. and Meiboom, S. (1963). Nuclear magnetic resonance study of protolysis of trimethylammonium ion in aqueous solution - order of reaction with respect to solvent. J. Chem. Phys., 39(2), 366-370. (10.1063/1.1734254).
Related models
The LM63 dispersion model is the 2-site version of this model.
Links
The implementation of the LM63 3-site model in relax can be seen in the: