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The Trott et al., 2003 2-site off-resonance relaxation dispersion model for R1rho-type data for all time scales with the weak condition pApB. This model is labelled as TAP03 in relax.


The TAP03 model has the parameters {R', ..., pA, Δω, kex}.


The reference for the TAP03 model is:

  • Trott, O., Abergel, D., and Palmer, A. (2003). An average-magnetization analysis of R-1 rho relaxation outside of the fast exchange. Mol. Phys., 101(6), 753-763. (DOI: 10.1080/0026897021000054826)

Related models

The MP05 model improves on this model.


The implementation of the TAP03 model in relax can be seen in the:

See also