Next to Leading Order QCD Corrections to Polarized $Λ$ Production in DIS

Details Next to Leading Order QCD Corrections to Polarized $Λ$ Production in DIS Next to Leading Order QCD Corrections to Polarized $Λ$ Production in DIS

1996-10-15

arxiv.org/abs/hep-ph/9610362v2

Nucl.Phys. B488 (1997) 367-388

Physics

High Energy Physics

High Energy Physics - Phenomenology

final version with few corrections, to be published in Nuc. Phys. B

Scientific paper

10.1016/S0550-3213(97)00010-2

We calculate next to leading order QCD corrections to semi-inclusive polarized deep inelastic scattering and $e^+e^-$ annihilation cross sections for processes where the polarization of the identified final-state hadron can also be determined. Using dimensional regularization and the HVBM prescription for the $\gamma_5$ matrix, we compute corrections for different spin-dependent observables, both in the $\overline{MS}$ and $\overline{MS_p}$ factorization schemes, and analyse their structure. In addition to the well known corrections to polarized parton distributions, we also present those for final-state polarized fracture functions and polarized fragmentation functions, in a consistent factorization scheme.

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