Abstract
Earlier measurements of the differential cross section for π+ photoproduction on hydrogen at forward angles have been extended up to 180 °. The pions were analysed in angle and momentum by a magnetic spectrometer. Angular distributions have been measured at 16 energies between 220 and 425 MeV. Most of them cover the region between 15 ° and 180 ° in steps of 5 degree with a statistical error of about 3%. Moravcsik equivalent fits give a very good representation of the data.
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Fischer, G., von Holtey, G., Knop, G. et al. Angular distributions of pions from γ+p→π++n at photon energies between 220 and 425 MeV. Z. Physik 253, 38–52 (1972). https://doi.org/10.1007/BF01387168
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DOI: https://doi.org/10.1007/BF01387168