A New Study of the Polarized Parton Densities in the Nucleon

Details A New Study of the Polarized Parton Densities in the Nucleon A New Study of the Polarized Parton Densities in the Nucleon

1999-05-27

arxiv.org/abs/hep-ph/9905512v1

Phys.Lett. B462 (1999) 189-194

Physics

High Energy Physics

High Energy Physics - Phenomenology

9 pages, latex, 5 ps figures Presented at the 7th International Workshop on Deep Inelastic Scattering and QCD, Zeuthen, German

Scientific paper

10.1016/S0370-2693(99)00880-1

We present a new next-to-leading order QCD analysis of the world data on inclusive polarized deep inelastic lepton-nucleon scattering adding to the old set of data the final SMC results, the HERMES proton and very recent SLAC/E155 deuteron data. We find an excellent fit to the data and present results for the polarized parton densities in different factorization schemes. These results are in a good agreement with what follows from the theory. We have also found that the main effect of the newly incorporated data is a better determination of the polarized gluon density.

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