Expressions for FL, FS, and G are obtained directly from F2 and dF2/dln(Q²) to O(α_s²) at small x, extending and correcting prior mixed-order results.
Extracting the longitudinal structure func- tionF L(x, Q2) at smallxfrom a Froissart-bounded parametrization ofF 2(x, Q2)
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Direct determination of the structure functions $F_L$, $F_S$ and $G$ from $F_2$ and $dF_2/dQ^2$ to $O(\alpha_s^2)$
Expressions for FL, FS, and G are obtained directly from F2 and dF2/dln(Q²) to O(α_s²) at small x, extending and correcting prior mixed-order results.