{{Infobox model parameter| name = {{PAGENAME}}| param = <onlyinclude>R<sub>1</sub><noinclude/onlyinclude>| desc = The {{:R1}} relaxation rate.| units = rad.s<sup>-1</sup>}}
The {{:R1}} relaxation rate, in rad.s-1.</noinclude> [[Category:Relaxation dispersionanalysis]]