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Cosmic-ray muon radiography of volcanoes with emulsion cloud chambers

Cosmic-ray muon radiography of volcanoes with emulsion cloud chambers. Hiroyuki Tanaka ERI University of Tokyo. The 3rd International Workshop on Nuclear Emulsion Techniques － Modern techniques of nuclear emulsion and their applications －. Principle. muon. Why Muon?. muon. p. g.

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Cosmic-ray muon radiography of volcanoes with emulsion cloud chambers

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  1. Cosmic-ray muon radiography of volcanoes with emulsion cloud chambers Hiroyuki Tanaka ERI University of Tokyo The 3rd International Workshop on Nuclear Emulsion Techniques － Modern techniques of nuclear emulsion and their applications －

  2. Principle muon

  3. Why Muon? muon p g electron proton

  4. electron muon proton

  5. Why ECC?

  6. Why Radiography? Seismic Magnetoteluric Gravimetric Geodetic

  7. Type of Volcano • Vulcanian • Mt. Asama • Dome • Mt. Usu

  8. Mt. Asama Mt. Asama

  9. Result in Asama ECC Muon Detector

  10. Mt. Usu Mt. Usu

  11. Result in Usu

  12. Geodetic Model of Usu

  13. Yokoyama 2002

  14. Other type of volcanoes • Strombolian • Satsuma Iwojima Gas of 16000 t/day degassing convection

  15. Satsuma Iwojima (future observation) ECC

  16. Future Prospects • ３d tomography • real time monitoring • faster scanning system ECC ECC

  17. Summary • Portable • Power free • Simple • High resolution Acknowledgements: K. Niwa, T. Nakano, S. Takahashi, J. Yoshida, Nagoya University University of Tokyo Hokkaido University

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