Photoproduction of pi-meson pairs
作者： R. E. Cutkosky , F. Zachariasen
关键词: Meson 、 Physics 、 Nucleon 、 Cross section (physics) 、 Nuclear physics 、 Particle physics 、 Elementary particle 、 Field theory (psychology) 、 Pair production 、 Pion 、 Scattering
摘要: The cross section for photoproduction of pion pairs from hydrogen has been calculated the cut-off static theory, assuming energy is sufficiently low that one mesons produced in an S state, other a P state. It shown this process can be expressed exactly terms P-wave scattering phase shifts, provided S-wave meson-nucleon interactions and meson-meson interaction neglected. theoretical predictions obtained here are general agreement with preliminary experimental results.
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