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HK: Physik der Hadronen und Kerne

HK 22: Elektromagnetische und Hadronische Sonden

HK 22.2: Gruppenbericht

Dienstag, 21. März 2006, 17:30–18:00, F

The transverse spin structure of the nucleon from lattice QCD — •Philipp Hägler — Institut für Theoretische Physik T39, Physik-Department der TU München, James-Franck-Strasse, D-85747 Garching

Tensor generalized parton distributions (GPDs) yield essential information on the transverse spin structure of the nucleon. In this talk, we present recent results from lattice QCD on tensor GPDs. We find that densities of quarks in the nucleon are strongly distorted for transverse quark and nucleon polarizations and discuss possible implications for the Sivers and Boer-Mulders function.