A polarization relation and the measurement of the longitudinal response in pseudoscalar meson electroproduction off the nucleon
Institut für Kernphysik, Universität Mainz, 55099, Mainz, Germany
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Published online: 15 May 2000
For pseudoscalar meson electroproduction off the nucleon in parallel kinematics a relation between three polarization observables is derived. It is shown that, without Rosenbluth separation, a measurement of the longitudinal strength can be achieved through three different ways. They are discussed with preliminary MAMI data for the reaction in the energy range of the Δ(1232) resonance.
PACS: 13.60.Le Meson production – / 14.20.Gk Baryon resonance with S = 0 – / 13.40.-f Electromagnetic processes and properties – / 13.60.-r Photon and charged-lepton interactions with hadrons –
© Società Italiana di Fisica and Springer-Verlag, 2000