Eur. Phys. J. C (2004) 38: 297-307
https://doi.org/10.1140/epjc/s2004-02025-x

theoretical physics

Electroproduction cross section of large-E hadrons at NLOand virtual photon structure function

Laboratoire de Physique Théorique, UMR 8627 CNRS, Université Paris XI, Bâtiment 210, 91405, Orsay Cedex, France

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Abstract

We calculate higher order corrections to the resolved component of the electroproduction cross section of large- hadrons. The parton distributions in the virtual photon are studied in detail and a NLO parametrization of the latter is proposed. The contribution of the resolved component to the forward production of large- hadrons is calculated and its connection with the BFKL cross section is discussed.