QCD Analysis of the semi-inclusive HERMES and COMPASS data
Journal Article
·
· Physics of Particles and Nuclei
The first moments of polarized valence PDFs, responsible for the respective contributions to the nucleon spin, are extracted in NLO QCD from the data of COMPASS and HERMES collaborations on the semi-inclusive difference asymmetries. To this end the new method of QCD analysis (alternative to the usual global fit analysis) is applied. Using the obtained results on valence PDFs the first moments of polarized sea PDFs are reconstructed. They turn out surprisingly small: compatible with zeros within the errors.
- OSTI ID:
- 22977213
- Journal Information:
- Physics of Particles and Nuclei, Journal Name: Physics of Particles and Nuclei Journal Issue: 3 Vol. 44; ISSN 1063-7796
- Country of Publication:
- United States
- Language:
- English
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