Abstract
The π −p → γn and π −p → π − o n reactions were studied at laboratory pion kinetic energies of 27.4 and 39.3 MeV for 9 angles. The differential cross sections of the π −p → γn reaction are compared with previous data and with several calculations. The π −p → π − o n differential cross sections were obtained by unfolding the energy spectra of the π o γ-ray decays. Pion-nucleon phase shifts and scattering lengths are deduced and good agreement is obtained with the elastic channels, supporting isospin invariance.
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