期刊
EUROPEAN PHYSICAL JOURNAL A
卷 39, 期 1, 页码 89-100出版社
SPRINGER
DOI: 10.1140/epja/i2008-10697-y
关键词
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资金
- European Community [RII3-CT-2004-506078]
- MIUR
- Helmholtz Association [VH-VI-231]
We study the Sivers effect in the transverse single spin asymmetries (SSA) for pion and kaon production in semi-inclusive deep inelastic scattering (SIDIS) processes. We perform a fit of A(UT)(sin(phi h-phi S)) which, by including recent high-statistics experimental data for pion and kaon production from HERMES and COMPASS Collaborations, allows a new determination of the Sivers distribution functions for quarks and antiquarks with u, d and s flavours. Estimates for forthcoming SIDIS experiments at COMPASS and JLab are given.
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