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Atsuto Suzuki

History of Geo-neutrino Research and Dream. Atsuto Suzuki. Ideas to Detect Geo-neutrinos. 1953. 1956 年. F . Reines. G. Gamow. 1953 年. a. 1966. 1969. Geophysics by neutrinos, G. Marx Czech J. Phys. B19 (1969) 1471-1479. 1981. 1984. Nature 310 (1984) 191 - 198. 1998.

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Atsuto Suzuki

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  1. History of Geo-neutrino Research andDream Atsuto Suzuki

  2. Ideas to Detect Geo-neutrinos

  3. 1953 1956年

  4. F. Reines G. Gamow 1953年 a

  5. 1966 1969 Geophysics by neutrinos, G. Marx Czech J. Phys. B19 (1969) 1471-1479

  6. 1981 1984 Nature 310 (1984) 191 - 198

  7. 1998 Kobayashi and Fukao, Earth as an antineutrino star, Geophys. Res. Lett. 18 (1991) 633-636.

  8. 1998

  9. 1998

  10. 2. Geo-neutrino Detection

  11. 2005 Nature 310 (1984) 191 - 198

  12. from EligioLisi ~ 50 years after G. Gamow’s suggestion

  13. S. Dye, Neutrino 2012

  14. 3. What’s Next ?

  15. neutrino-electron elastic scattering pp 7Be pep 7Be N F O 8B hep K U reactor at Kamioka Th Geo-neutrinos after KamLAND : 2 FK : 40K Detection ne + p  e+ + n

  16. still dream

  17. Geoneutrinos after KamLAND : 3 : Directionality Measurement FCrust, FMantle, FCore

  18. ne En = 2.5 MeV Drreconstruct (cm) How to Measure Direction inverse b – decay reaction : 1st step g e+ g Drreconstruct p

  19. En = 2.5 MeV ne cos q How to Measure Direction inverse b – decay reaction : 2nd step e+ q p n

  20. ne En = 2.5 MeV cos q* How to Measure Direction inverse b – decay reaction : 3rd step e+ q* p n X g

  21. new liquid scintillator ne + p  e+ + n n + A  A* + aand/orb w/o g’s still dream

  22. Geo-neutrino measurement ne shallow detector q13 measurement ~ 1 km still dream

  23. Hawaii : Highway to the Heaven Hawaii : Highway to the Mantle

  24. 4. More Dreams dream ! dream ! dream ! dream ! KEK Penguin Diagram

  25. Moon E. Ohtani (Tohoku U.)

  26. Great Particle Microscopes and Neutrino Telescopes

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