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Remarks on polarized quark distributions extracted from SIDIS experiments

2003; American Physical Society; Volume: 68; Issue: 3 Linguagem: Inglês

10.1103/physrevd.68.031502

1538-4500

A. Sissakian, O. Yu. Shevchenko, O. N. Ivanov,

High-Energy Particle Collisions Research

The results of SIDIS experiments concerning the first moments of the polarized quark distributions are considered. The possible reasons of the deviation from the fundamental restrictions such as the Bjorken sum rule and the ways to properly improve the analysis of measured SIDIS asymmetries are discussed. The possibility of broken polarized sea scenario is analysed.