The Sivers Function from SIDIS Data

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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^{sin(phi_h-phi_S)}_UT taking into account the recent 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. Estimates for forthcoming SIDIS experiments at COMPASS and JLab are given.
4 pages, 1 figure. To appear in the proceedings of the XVI International Workshop on Deep-Inelastic Scattering and Related Subjects, DIS 2008, London, U.K., 7-11 April 2008

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High Energy Physics - Phenomenology

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http://salesiana.dossiersoluciones.com/handle/123456789/163955

Consulte el texto completo en el siguiente enlace:

https://arxiv.org/abs/0807.0166
 http://arxiv.org/abs/0807.0166

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arXiv