Evidence for the higher twists effects in diffractive DIS at HERA

preprint2012arXivOpen access

Abstract

We study a twist decomposition of diffractive structure functions in the diffractive deep inelastic scattering at HERA. At low Q2Q^2 and at large energy the data exhibit a strong deviation from the twist-2 NLO DGLAP description. It is found that this deviation in consistent with higher twist effects. We conclude that the DDIS at HERA provides the first, strong evidence of higher twist effects in DIS.

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