What can we learn from the breaking of the Wandzura-Wilczek relation?

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dc.creatorAccardi, Alberto
dc.creatorBacchetta, Alessandro
dc.creatorSchlegel, Marc
dc.date2009-05-19
dc.date.accessioned2026-07-07T13:16:30Z
dc.date.available2026-07-07T13:16:30Z
dc.descriptionWe review the study the Wandzura-Wilczek relation for the structure function g_2, with a particular attention on the connection with the framework of Transverse Momentum Dependent factorization. We emphasize that the relation is broken by two distinct twist-3 terms. In the light of these findings, we clarify what can be deduced from the available experimental data on g_2, which indicate a breaking of the order 20-40%, and how to individually measure the twist-3 terms.
dc.descriptionTalk given by Alberto Accardi at "Spin structure at long distances," Jefferson Lab, March 12-13 2009
dc.identifierhttps://arxiv.org/abs/0905.3118
dc.identifierhttp://arxiv.org/abs/0905.3118
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/230812
dc.subjectHigh Energy Physics - Phenomenology
dc.titleWhat can we learn from the breaking of the Wandzura-Wilczek relation?
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