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Recoil Polarization for Delta Excitation in Pion Electroproduction
We measured angular distributions of recoil-polarization response functions for neutral pion electroproduction for W=1.23 GeV at Q^2=1.0 (GeV/c)^2, obtaining 14 separated response functions plus 2 Rosenbluth combinations; of these, 12 have been observed for the first time. Dynamical models do not de...
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| Lenguaje: | eng |
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2005
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| Acceso en línea: | https://dx.doi.org/10.1103/PhysRevLett.95.102001 http://cds.cern.ch/record/836859 |