On the East-West Effect of the Cosmic-Radiation in the Upper Atmosphere

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概要

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• The fact that in the upper atmosphere there is a symmetry of the east-west intensity of the cosmicray, brings a difficulty to the Proton Primary Hypothesis which is assumed from the experimental results of the east-west asymmetry on each latitude and at each altitude from sea-level to 10, 000m height. To remedy the situation, Arley assumed that there exist negative protons in the primaries. But the mechanism, by which negative proton directly gives the soft component, has no clearness. In order to make clear to what extent we can solve the problem of east-west effect from the standpoint which is now accepted-that is, primary proton gives π-meson and π meson decays into μ-meson which gives the soft component by disintegration, -we have investigated the angular distribution between the primary proton and the produced soft component.

• 理論物理学刊行会の論文

著者

• NAGAHARA Yukio

  Institute for Nuclear Study, University of Tokyo

• Nagahara Yukio

  Institute Of Theoretical Physics Nagoya University

• OGAWA Syuzo

  Institute of Theoretical Physics, Nagoya University

• Ogawa Syuzo

  Institute Of Theoretical Physics Nagoya University

• Nagahara Yukio

  Institute For Nuclear Study University Of Tokyo

関連論文

• Elastic and Inelastic Scattering of Protons from N, Ne, Mg, Si, S and A in the Energy Range from 7.6MeV to 14.2MeV
• Elastic and Inelastic Scatterings of Protons from Ti, Cr, Ni, Zn, and O at 8 to 14MeV
• Elastic Scattering of Protons from Cu^ and Cu^ in the Energy Range from 7.54 MeV to 14.64 MeV
• On the Absorption of the Negative π-meson by Deuteron
• Elastic and Inelastic Scattering of Protons from Nickel Isotopes; Ni^ and Ni^, in the Energy Range from 7.0MeV to 15.3MeV
• On the East-West Effect of the Cosmic-Radiation in the Upper Atmosphere
• On the Nuclear Saturation
• The Observability of the C-meson
• On the Cosmic-Ray Bursts Underground : The Interaction of π-meson with Nucleon

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