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28 March 2024
 
  » arxiv » hep-ph/0102093

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Diffractive parton distributions from the saturation model
K.Golec-Biernat ; M. Wusthoff ;
Date 8 Feb 2001
Journal Eur.Phys.J. C20 (2001) 313-321
Subject hep-ph
AbstractWe review diffractive deep inelastic scattering (DIS) in the light of the collinear factorization theorem. This theorem allows to define diffractive parton distributions in the leading twist approach. Due to its selective final states, diffractive DIS offers interesting insight into the form of the diffractive parton distributions which we explore with the help of the saturation model. We find Regge-like factorization with the correct energy dependence measured at HERA. A remarkable feature of diffractive DIS is the dominance of the twist-4 contribution for small diffractive masses. We quantify this effect and make a comparison with the data.
Source arXiv, hep-ph/0102093
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