Scaling violations in the Q2 logarithmic derivative of F2

E. Gotsman*, E. Ferreira, E. Levin, U. Maor, E. Naftali

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

11 Scopus citations


We examine the latest HERA experimental measurements of the Q2 logarithmic derivative of the proton structure function. We analyze the characteristics of DGLAP with and without screening, as well as a Regge type model, and compare their predictions to all available data on ∂F2/∂In Q2 including those for fixed W. Our results show that the present data can be described in pQCD taking into account shadowing corrections. However, such a description cannot be considered a conclusive signal of gluon saturation since the experimental data on ∂F2/∂In Q2 do not allow one to discriminate between the various approaches, in spite of their very different construction.

Original languageEnglish
Pages (from-to)87-98
Number of pages12
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number1-2
StatePublished - 15 Feb 2001


FundersFunder number
United States-Israel Binational Science Foundation98000276
Israel Academy of Sciences and Humanities


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