Small-x behavior of the structure function F2 and its slope ∂lnF2/∂ln(1/x) for “frozen” and analytic strong-coupling constants
- Cvetič, Gorazd
- Illarionov, Alexey Yu.
- Kniehl, Bernd A.
- Kotikov, Anatoly V.
DOIAbstract
AbstractUsing the leading-twist approximation of the Wilson operator product expansion with “frozen” and analytic versions of the strong-coupling constant, we show that the Bessel-inspired behavior of the structure function F2 and its slope ∂lnF2/∂ln(1/x) at small values of x, obtained for a flat initial condition in the DGLAP evolution equations, leads to good agreement with experimental data of deep-inelastic scattering at DESY HERA
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