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→Equation for No Exchange in R1rho: Switched to parameter templates for R1.
</math>
If no {{:R1 }} values has been loaded, but the <code>R1_fit </code> flag has been turned on, the {{:R1 }} will be fitted as well.
For '''on-resonance''' models, f.ex [[M61]]data without a loaded offset, (see also [[Relax_disp.spin_lock_offset%2Bfield | relaxx relax disp.spin lock offset+field]] )), if <br>
<math>
\bar{\Omega}_{S,i} = 0.0
and as such <br>
<math>
cos^2\theta = cos^2\left(\frac{\pi}{2}\right)= 0.0
</math>
Therefore the fitted {{:R1}} values have no meaning for "No Rex" model, if there is no offset. <br>
== Reference ==