π+-Electroproduction of hydrogen near threshold at four-momentum transfers of 0.2, 0.4 and 0.6 GeV2 |
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Authors: | P. Brauel F.-W. Büsser Th. Canzler D. Cords W.R. Dix R. Felst G. Grindhammer W.-D. Kollmann H. Krehbiel J. Meyer G. Weber |
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Affiliation: | 1. Deutsches Elektronen-Synchrotron DESY, Hamburg, Germany;2. II. Institut für Experimentalphysik der Universität hamburg, Germany |
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Abstract: | The reaction e + p → e′ + π+ + n was measured near the one pion threshold, detecting the final electron and neutron in coincidence for values of q2 = 0.2, 0.4 and 0.6 GeV2. The normalized axial vector form factor to the nucleon was determined from the data within a theoretical framework based on PCAC and current algebra. |
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