GPD sum rules: a tool to reveal the quark angular momentum

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dc.creatorKumericki, K.
dc.creatorMueller, D.
dc.creatorPassek-Kumericki, K.
dc.date2008-07-01
dc.date.accessioned2026-07-07T09:47:39Z
dc.date.available2026-07-07T09:47:39Z
dc.descriptionIn deeply virtual exclusive electroproduction to leading order accuracy one accesses generalized parton distributions on their cross-over trajectory. Combining Lorentz covariance and analyticity leads to a family of GPD sum rules, guiding us to phenomenological concepts. As an example, we discuss the constraints from the JLAB/Hall A data on the GPD $E$. Its first Mellin moment is the anomalous gravitomagnetic moment, which is the unknown contribution to the quark angular momentum.
dc.descriptionLaTeX + dis08.cls, 4 pages, talk by D.M. at DIS 2008, London
dc.identifierhttps://arxiv.org/abs/0807.0170
dc.identifierhttp://arxiv.org/abs/0807.0170
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/163957
dc.subjectHigh Energy Physics - Phenomenology
dc.titleGPD sum rules: a tool to reveal the quark angular momentum
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