Università degli Studi di Cagliari
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Extracting the kaon Collins function from e+e- hadron pair production data
D'ALESIO, UMBERTO;
2016-01-01
Abstract
The latest data released by the BABAR Collaboration on azimuthal correlations measured for pion-kaon and kaon-kaon pairs produced in e+e- annihilations allow, for the first time, a direct extraction of the kaon Collins functions. These functions are then used to compute the kaon Collins asymmetries in semi-inclusive deep inelastic scattering processes, which result in good agreement with the measurements performed by the HERMES and COMPASS collaborations.
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