Photoproduction of Single Positive Pions from Hydrogen in the Region 400 to 1100 Mev |
Contents
EXPERIMENTAL METHOD AND APPARATUS | 5 |
EXPERIMENTAL DATA | 44 |
INTERPRETATIONS OF THE HIGH ENERGY DATA | 118 |
8 other sections not shown
Common terms and phrases
amplitude angular coefficients angular distribution angular momentum approximation assuming asymmetry basic theory behavior bremsstrahlung calculation central orbit charge independence Chew Cornell cose cut-off model detector differential cross section dispersion relations Dixon and Walker effects electron enhancement excitation curves Ey MeV factor final forward angles give hence high energy interference term isobar isotopic spin K-mesons laboratory angle Lindenbaum liquid hydrogen liquid hydrogen target low energy magnet aperture measurements meson Moravcsik multipole nucleon obtained pair production parameters parity partial wave particles peak Peierls perturbation theory photon energy Phys pion-nucleon interaction positron predictions production proton pulse height quantity quantum numbers ratio reaction relativistic resonance second maximum single pion spectrometer spectrometer magnet spectrum strong coupling synchrotron Tech third maximum threshold total cross section transition wave phase shifts y-ray beam y-ray energy yield Yukawa theory