Changes

The Ishima and Torchia 1999 2-site exchange on all times scales with the constraint that $p_A \gg p_B$ {{:pA}} ≫ {{:pB}} for [[SQ CPMG-type data]]. This model is labelled as '''IT99''' in [[Relaxation dispersion citation for relax|relax]].

The IT99 model has the parameters {$R_2^0${{:R2zero}}, $...$, $p_A${{:pA}}, $\Delta\omega${{:Deltaomega}}, $\tau_\textrm{ex{:tauex}}$}.