Threshold Pion Electroproduction at Large Momentum Transfers

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dc.creatorBraun, V. M.
dc.creatorIvanov, D. Yu.
dc.creatorPeters, A.
dc.date2007-10-17
dc.date.accessioned2026-07-07T11:12:19Z
dc.date.available2026-07-07T11:12:19Z
dc.descriptionWe consider pion electroproduction close to threshold for $Q^2$ in the region 1-10 GeV$^2$ on a nucleon target. The momentum transfer dependence of the S-wave multipoles at threshold, $E_{0+}$ and $L_{0+}$, is calculated in the chiral limit using light-cone sum rules. Predictions for the cross sections in the threshold region are given taking into account P-wave contributions that, as we argue, are model independent to a large extent. The results are compared with the SLAC E136 data on the structure function $F_2(W,Q^2)$ in the threshold region.
dc.description18 pages, 11 figures
dc.identifierhttps://arxiv.org/abs/0710.3265
dc.identifierhttp://arxiv.org/abs/0710.3265
dc.identifierPhys.Rev.D77:034016,2008
dc.identifierdoi:10.1103/PhysRevD.77.034016
dc.identifier.urihttp://salesiana.dossiersoluciones.com/handle/123456789/191344
dc.subjectHigh Energy Physics - Phenomenology
dc.subjectNuclear Theory
dc.titleThreshold Pion Electroproduction at Large Momentum Transfers
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