LM63

This is the original relaxation dispersion model for 2-site fast exchange for CPMG-type experiments. It is selected by setting the model to LM63 in relax, here named after Luz and Meiboom (1963). The reference 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. (doi: 10.1063/1.1734254).