We present a global reanalysis of the most recent experimental data on azimuthal asymmetries in semi-inclusive deep inelastic scattering, from the HERMES and COMPASS Collaborations, and in e(+)e(-) -> h(1)h(2)X processes, from the Belle Collaboration. The transversity and the Collins functions are extracted simultaneously, in the framework of a revised analysis in which a new parametrization of the Collins functions is also tested.
Simultaneous extraction of transversity and Collins functions from new semi-inclusive deep inelastic scattering and e+e- data
D'ALESIO, UMBERTO;
2013-01-01
Abstract
We present a global reanalysis of the most recent experimental data on azimuthal asymmetries in semi-inclusive deep inelastic scattering, from the HERMES and COMPASS Collaborations, and in e(+)e(-) -> h(1)h(2)X processes, from the Belle Collaboration. The transversity and the Collins functions are extracted simultaneously, in the framework of a revised analysis in which a new parametrization of the Collins functions is also tested.
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