Article
PHYSICAL REVIEW D  (2005)

Quark helicity distributions in the nucleon for up, down, and strange quarks from semi-inclusive deep-inelastic scattering

Airapetian, A.; Akopov, N.; Akopov, Z.; Amarian, M; Ammosov, V.; Andrus, A.; Aschenauer, E.; Augustyniak, W.; Avakian, R; Avetissian, A.; Avetissian, E.; Bailey P.; Baturin V.; Baumgarten, C.; Beckmann M.; et. al.