Angular Distributions of Photo-protons from Li, Al, S, Ni, and Cu

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概要

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• Thin foils of lithium, sulfur, aluminum, nickel and copper have been irradiated with the X-ray beam from a betatron at Osaka University, and angular distribution of photo-protons were obtained means of a ZnS scintillation detector. The angular distribution of photo-protons thus obtained can be classified into two broad types, one isotropic and the other forward asymmetric. Aluminum and nickel (21 MeV) belong to the former type; while lithium, sulfur, nickel (18 MeV) and copper fall under the latter type, which is represented the theoretical form, a+b sin^2 θ(1+c cosθ)^2. As an exceptional case, copper has shown an abnormal angular distribution having a maximum in the forward direction and also a rise up in the backward direction. The functional form which fits best to this distribution has been calculated a Bendix computer and compared with the recent theory of photo-nuclear reactions.

• 社団法人日本物理学会の論文
• 1961-10-05

著者

• Masuda Masayoshi

  Department Of Physics Faculty Of Science University Of Osaka

• Masuda Masayoshi

  Department Of Physics Faculty Of Science Tokyo Institute Of Technology

関連論文

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• Angular Distribution of Photo-neutrons Produced by 17 Mev X-rays
• Angular Distributions of Photo-protons from Li, Al, S, Ni, and Cu

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