Search for Long-Lived Massive Particles and Time Structure of Electrons in Extensive Air Showers

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概要

• 論文の詳細を見る

• An experiment to observe accompanied showers delayed relative to the bulkof extensive-air-shower particles near the core was carried out by using pluraldetectors set at separate places. Four delayed events hitting two or more detectorsat the same time were observed. It is difficult to explain these events by accidentalcoincidence or conventional processes. However, these events can be explained,provided that a parent particle producing the delayed shower has a lifetime ofthe order of 1 x 10-' s and is heavier than a nucleon. The thickness of air showerdisk was also measured at core distances less than 50 m.

• 社団法人日本物理学会の論文
• 1984-06-15

著者

• Toyoda Yoshio

  Department of Pediatrics Seirei Hamamatsu Hospital

• Maeda T

  Kitasato Univ. Kanagawa

• Toyoda Y

  Department Of Physics Faculty Of Science Kobe University

• Yoshida M

  Kobe Univ.

• YOSHIDA Mamoru

  The Graduate School of Science and Technology,Kobe University

• MAEDA Toshiro

  The Graduate School of Science and Technology,Kobe University

• Yoshida Mamoru

  The Graduate School Of Science And Technology Kobe University:research Laboratory Oki Elec-tric Indu

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