F₂/xG(x,Q²) Ratio at Small x and the Role of the Contribution from Infrared Region
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✦ hep-ph
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contributioninfraredratioregionsmallchangescomingconsider
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We consider the light quark electroproduction cross section and show that the contribution coming from the infrared ($q_T<300\, MeV$) region is not negligible. It changes the $F_2(x,Q^2)/xG(x,Q^2)$ ratio by 20-30\% (or even more) for small $x$ and $Q^2\sim 4\, GeV^2$.
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