High-energy factorization and small x deep inelastic scattering beyond leading order

@inproceedings{Catani1994HighenergyFA,
  title={High-energy factorization and small x deep inelastic scattering beyond leading order},
  author={Stefano Catani and Francesco Hautmann},
  year={1994}
}
High-energy factorization in QCD is investigated beyond leading order and its relationship to the factorization theorem of mass singularities is established to any collinear accuracy. Flavour non-singlet observables are shown to be regular at small x order by order in perturbation theory. In the singlet sector, we derive the relevant master equations for the space-like evolution of gluons and quarks. Their solution enables us to sum next-to-leading corrections to the small-x behaviour of quark… CONTINUE READING

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