Kuhn segment length

symbols: $l^{\prime}$, $l_{\rm{K}}$; units: $\pu{nm}$, $\pu{m}$
synonyms: freely jointed link length, statistical segment length
https://doi.org/10.1351/goldbook.12205
Length of a Kuhn segment.
Source:
PAC, 2015, 87, 71. (Definitions of terms relating to individual macromolecules, macromolecular assemblies, polymer solutions, and amorphous bulk polymers (IUPAC Recommendations 2014)) on page 79 [Terms] [Paper]