On the Range Spectrum of μ-Mesons at Sea-Level at Geomagnetic Latitude 24°N

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概要

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• Differential intensities of 1μ-mesons at sea-level at 24°N have been measured for the residual range equivalent to from 44 to 430g/cm^2 of the air using a delayed coincidence method. It was found that the obtained range spectrum was nearly flat for present ranges and was 20 percent lower than Rossi's curve which should be valid at geomagnetic latitude greater than 45°. The effect of the lateral displacement as well as the angular deflection of particles in the absorber was taken into account for the scattering correction. Mesons locally produced in the absorber was found to be at most a few per cent of all mesons that stop and decay in the apparatus. This fact suggests that the discrepancy between μ-meson spectra by the absorption method and by the magnetic cloud chamber method can not be accounted for only by the local π-meson production.

• 社団法人日本物理学会の論文
• 1957-08-05

著者

• MURATA Yojiro

  Institute for Nuclear Study,University of Tokyo

• Murata Yojiro

  Institute Of Polytechnics Osaka City University

• Murata Yojiro

  Institute For Nuclear Study University Of Tokyo

• FUKUI Shuji

  Department of Physics, Nagoya University

• Fukui Shuji

  Department Of Physics Nagoya University

• Fukui Shuji

  Department Of Physics Osaka University

• KITAMURA Takashi

  Institute of Polytechnics, Osaka City University

• Kitamura Takashi

  Institute Of Polytechnics Osaka City University

関連論文

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• Flexible Adiabatic Light Guide of Silicon Rubber
• Photoproduction of η Mesons from Protons at Incident Energies below 1 GeV
• On the Range Spectrum of μ-Mesons at Sea-Level at Geomagnetic Latitude 24°N
• On the Momentum Spectrum of μ-Mesons near Sea-Level at 24゜N
• On the Study of the Penetrating Burst at High Altitude
• Search for the "Anomalous" Scattering of Mu-Mesons : On the Apparatus using a Delayed Coincidence Method
• Loss Mechanism of Electrons from a Magnetic Bottle
• Motion of Electrons in a Magnetic Bottle
• On the Nuclear Interaction of μ-Meson below Ground
• 8 Shell-Like Structure of Nuclei Introduced by Tadayoshi Hikosaka in 1934 : I. Fermilab Workshop
• Investigation of Cascade Showers in Lead With X-Ray Films

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