Polarization of Recoil Protons from the Photoproduction of Eta-Meson

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概要

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• The polarization of recoil protons from the reaction γ + p → p + η^0 was measured for eta center of mass angle of 107.5° at 890MeV γ-ray energy. The decay γ-rays from η^0 were detected by a lead glass Cerenkov counter in coincidence with a recoil proton. Recoil proton polarization was measured by analysing the scattering asymmetry in a carbon plate spark chamber. According to Minami's theoretical analysis for the interpretation of the eta-nucleon system, the obtained value of the polarization P = 0.54±0.40 is suggesting that the contribution of the interaction in the S_<1/2> state is predominant over that in the D_<s/2> state.

• 社団法人日本物理学会の論文
• 1967-10-05

著者

• Kobayakawa Hisashi

  Department Of Physics Nagoya University

関連論文

• Construction and Performance of a Large-Aperture Wire-Chamber Spectrometer for Pion Scattering Experiments at KEK
• Polarization of Recoil Protons from Neutral Pion Photoproduction
• Recoil Proton Polarization and Differential Cross Section in Eta-Meson Photoproduction at 890 MeV
• Elastic and Inelastic Collisions of 55 MeV Proton with ^4He
• Polarization of Recoil Protons from the Photoproduction of Eta-Meson

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