Analysis of Pion Photoproduction on Nucleons below 500 MeV
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概要
- 論文の詳細を見る
The differential cross sections, asymmetry ratios and recoil-nucleon polarizations of pion photoproduction on protons and neutrons below 500 MeV have been studied. It is shown that the dispersion theory of Berends, Donnachie and Weaver is unfavorable because of their inadequate treatments of the P_<11>(1470) and D_<13>(1518) resonances. The phenomenological analysis shows that the effect of the Roper P_<11>(1470) resonance is negligible and the isovector amplitude is dominant in the multipole amplitudes leading to the final D_<13> state. The experimental data are also favorably explained by the crude dispersion-theoretical model of Schmidt et al.
- 社団法人日本物理学会の論文
- 1970-07-05
著者
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SUZUKI Toshio
Department of Animal Science, Faculty of Agriculture, Utsunomiya University
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KIMURA YOSHITAKA
Department of Obstetrics and Gynecology, Tohoku University School of Medicine
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Kondo Kunitaka
Institute For Nuclear Study University Of Tokyo:(prsent Address) Department Of Physics Tsukuba Unive
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Kondo Kunitaka
Department Of Physics Faculty Of Science University Of Tokyo
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Takikawa Koji
Department Of Physics University Of Tokyo
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Kimura Yoshitaka
National Laboratory For High Energy Physics
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Kimura Yoshitaka
Department Of Applied Physics University Of Tokyo
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NISHIKAWA Tetsuji
Department of Physics, University of Tokyo
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Suzuki Toshio
Department Of Physics University Of Tokyo
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Suzuki Toshio
Department Of Agronomy Faculty Of Agriculture Tohoku University
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Kimura Yoshitaka
Department Of Applied And Environmental Chemistry Kitami Institute Of Technology
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Nishikawa Tetsuji
Department Of Physics Faculty Of Science University Of Tokyo:(prsent Address) National Laboratory Fo
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Nishikawa Tetsuji
Department Of Physics Faculty Of Science University Of Tokyo
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Nishikawa Tetsuji
Department Of Physics Faculty Of Sciencc University Of Tokyo
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Kimura Yoshitake
Department of Physics, University of Tokyo
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