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Threshold pion electroproduction at large momentum transfers

URN to cite this document:
urn:nbn:de:bvb:355-epub-135563
Braun, Vladimir M. ; Ivanov, Dmitri ; Peters, Andreas
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Date of publication of this fulltext: 15 Mar 2010 13:25



Abstract

We consider pion electroproduction close to threshold for Q2 in the region 1–10  GeV2 on a nucleon target. The momentum transfer dependence of the S-wave multipoles at threshold, E0+ and L0+, 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 ...

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