Observation of the High-Energy Proton-Proton Collision in Photographic Emulsion

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概要

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• The tracing-back method has been applied to the detection of showers which could be regarded as those produced by single nucleon-nucleon collisions in a stack of stripped emulsions exposed at the stratosphere. The method consists in tracing star-producing tracks back along their passage through successive 'emulsion strips and in finding primary interactions. It enabled us to detect the interactions without any bias irrespective of the number of accompanying evaporation prongs. A shower of the type 1+5_P detected by this method in a preliminary observation was analysed in terms of the single proton-proton collision. By the assumption of balance of transverse momenta for the charged outgoing particles alone, the incoming proton energy was estimated to be about 25 Gev and the inelasticity to be about 0.4. In this paper these results and another possible estimates has been presented together with a brief description of some features of the shower.

• 社団法人日本物理学会の論文
• 1956-11-05

著者

• Kaneko Shin-ichi

  Institute Of Polytechnics Osaka City University

• Kusumoto Osamu

  Institute Of Polytechnics Osaka City University

• Matsumoto Shigeo

  Institute of Polytechnics, Osaka City University

• Matsumoto Shigeo

  Institute Of Polytechnics Osaka City University

• KUSUMOTO Osamu

  Institute of Polytechnics, Osaka City University

関連論文

• Observations of Slow Particles and Stars in Nuclear Emulsions Exposed at 17 m.w.e. Underground
• The Non-Mesonic Photonuclear Reactions Initiated by High Energy μ-Mesons
• Frequency of Slow Cosmic-ray μ-Mesons Stopped in the Photographic Emulsions at 23 m.w.e. Underground
• On the Inclasticity in High-Energy Nuclear Interactions
• Observation of the High-Energy Proton-Proton Collision in Photographic Emulsion
• The Multiplicity of Mesons Produced in the Nuclear Interaction of High Energy Nucleons and α-Particles in Cosmic Radiation
• A Calibration Measurement of Multiple Scattering of Slow μ-Mesons by the Constant Sagitta Method
• Nucleon-Nucleon Interactions of Energy around 100 Gev

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