FL proton structure function from the unified DGLAP/BFKL approach
Abstract
We compute the longitudinal proton structure function FL from the kT factorization scheme, using the unified DGLAP/BFKL resummation approach at small x for the unintegrated gluon density. The differences between the kT factorization, collinear factorization and dipole approaches are analyzed and discussed. The comparisons with the HERA data are made and predictions for the proposed Large Hadron-Electron Collider are also provided.
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