We study the Sivers effect in 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)(h)(sin(phi)-(phi(S))) data from HERMES and COMPASS Collaborations, which allow a new determination of the Sivers distribution functions for quark and anti-quark with u, d and also s flavours.
Sivers Effect in SIDIS Pion and Kaon Production
D'ALESIO, UMBERTO;MELIS, STEFANO;
2009-01-01
Abstract
We study the Sivers effect in 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)(h)(sin(phi)-(phi(S))) data from HERMES and COMPASS Collaborations, which allow a new determination of the Sivers distribution functions for quark and anti-quark with u, d and also s flavours.
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