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Simultaneous QCD analysis of diffractive and inclusive DIS data | | A.D. Martin
; M.G. Ryskin
; G. Watt
; | | Date: |
21 Jun 2004 | | Journal: | Phys.Rev. D70 (2004) 091502 DOI: 10.1103/PhysRevD.70.091502 | | Subject: | hep-ph | | Abstract: | We perform a NLO QCD analysis of deep-inelastic scattering data, in which we account for absorptive corrections. These corrections are determined from a simultaneous analysis of diffractive deep-inelastic data. The absorptive effects are found to enhance the size of the gluon distribution at small x, such that a negative input gluon distribution at Q^2 = 1 GeV^2 is no longer required. We discuss the problem that the gluon distribution is valence-like at low scales, whereas the sea quark distribution grows with decreasing x. Our study hints at the possible importance of power corrections for Q^2 simeq 1--2 GeV^2. | | Source: | arXiv, hep-ph/0406225 | | Other source: | [GID 7095] hep-ph/0412212 | | Services: | Forum | Review | PDF | Favorites | |
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