cosmic-ray muon radiography of volcanoes with emulsion cloud chambers hiroyuki tanaka eri university...
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![Page 1: Cosmic-ray muon radiography of volcanoes with emulsion cloud chambers Hiroyuki Tanaka ERI University of Tokyo The 3rd International Workshop on Nuclear](https://reader030.vdocuments.mx/reader030/viewer/2022033108/56649d535503460f94a2f695/html5/thumbnails/1.jpg)
Cosmic-ray muon radiography of volcanoes with emulsion cloud chambers
Hiroyuki TanakaERIUniversity of Tokyo
The 3rd International Workshop on Nuclear Emulsion Techniques - Modern techniques of nuclear emulsion and their applications -
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Principle
muon
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Why Muon?
pg
electron
proton
muon
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electron
muon
proton
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Why ECC?
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Why Radiography?
Seismic Magnetoteluric
GeodeticGravimetric
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Type of Volcano
VulcanianMt. Asama
DomeMt. Usu
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Mt. Asama
Mt. Asama
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Result in Asama
ECC Muon Detector
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Mt. Usu
Mt. Usu
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Result in Usu
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Geodetic Model of Usu
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Yokoyama 2002
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Other type of volcanoes
Strombolian Satsuma Iwojima
convection
degassing
Gas of 16000 t/day
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Satsuma Iwojima (future observation)
ECC
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Future Prospects
3 d tomography
real time monitoring faster scanning system
ECC
ECC
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Summary
Portable Power free Simple High resolution
Acknowledgements:K. Niwa, T. Nakano, S. Takahashi, J. Yoshida, Nagoya UniversityUniversity of TokyoHokkaido University