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The charm and beauty quark production in deep inelastic scattering at low values of the Bjorken variable x is considered in the DGLAP improved saturation model. After fitting parameters of the model to the structure function F₂, the heavy quark contributions F₂cc̄ and F₂bb̄ are predicted. A good description of the data is found. Predictions for the longitudinal structure function FL and the diffractive structure function F₂D are also presented.
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Golec-Biernat et al. (2006) studied this question.
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