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29 March 2024
 
  » arxiv » nucl-th/9909068

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Pion Electroproduction on the Nucleon and the Generalized GDH Sum Rule
L. Tiator ; D. Drechsel ; S.S. Kamalov ;
Date 28 Sep 1999
Subject nucl-th
AffiliationUniversitaet Mainz
AbstractWe present predictions for the spin structure functions of the proton and the neutron in the framework of a unitary isobar model for one-pion photo- and electroproduction. Our results are compared with recent experimental data from SLAC. The first moments of the calculated structure functions fulfill the Gerasimov-Drell-Hearn and Burkhardt-Cottingham sum rules within an error of typically 5-10% for the proton. For the neutron target we find much bigger deviations, in particular the sum rule for I_1(0)+I_2(0) is heavily violated.
Source arXiv, nucl-th/9909068
Other source [GID 1045499] nucl-th/0005061
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