FACTORIZATION IN SEMIINCLUSIVE POLARIZED DEEP-INELASTIC SCATTERING

We calculate and analyze the O(alpha(s)) one-particle inclusive cross section in polarized deep inelastic lepton-hadron scattering, using di mensional regularization and the HVBM prescription for ys We discuss t he factorization of all the collinear singularities related to the pro cess, particularly those that are absorbed in the redefinition of the spin-dependent analogue of the recently introduced fracture functions, This is done in the usual <(MS)over bar> scheme and in another one, c alled <(MS(p))over bar>, which factorizes soft contributions and guara ntees the axial current (non-)conservation properties.