Absorption Correction in High Energy Photoproduction of π^+
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概要
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The photoproduction of π^+ in the 2~4 GeV region is investigated in terms of the distorted wave Born approximation. The effects of the non-small angle πN scattering are examined for the (π, p)-exchange model and the (π,p,ρ)-exchange model. It is shown that in the former case the agreement of the theoretical resuts with experiment becomes worse than the calculations by Hori, Kawaguchi and Shimoida with the πN phase shifts which only fit the forward peaks. Remarkable agreement is obtained in the latter case for the πN phase shifts of Perl and Corey and of Minami if we choose the ρ-meson coupling constant appropriately at each energy. The ρ-meson coupling constant shows the tendency to decrease with increasing energy from the present analysis.
- 理論物理学刊行会の論文
- 1968-05-25
著者
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YANO Tadashi
Department of Physics, Ehime University
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Yano Tadashi
Department Of Applied Physics Faculty Of Engineering Ehime University
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YANO Tadashi
Department of Physics, Hiroshima University
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Yano Tadashi
Department of Applied Physics and Chemistry The University of Electro-Communications
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