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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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History of Geo-neutrino Research andDream 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 Kobayashi and Fukao, Earth as an antineutrino star, Geophys. Res. Lett. 18 (1991) 633-636.
2. Geo-neutrino Detection
2005 Nature 310 (1984) 191 - 198
from EligioLisi ~ 50 years after G. Gamow’s suggestion
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
Geoneutrinos after KamLAND : 3 : Directionality Measurement FCrust, FMantle, FCore
ne En = 2.5 MeV Drreconstruct (cm) How to Measure Direction inverse b – decay reaction : 1st step g e+ g Drreconstruct p
En = 2.5 MeV ne cos q How to Measure Direction inverse b – decay reaction : 2nd step e+ q p n
ne En = 2.5 MeV cos q* How to Measure Direction inverse b – decay reaction : 3rd step e+ q* p n X g
new liquid scintillator ne + p e+ + n n + A A* + aand/orb w/o g’s still dream
Geo-neutrino measurement ne shallow detector q13 measurement ~ 1 km still dream
Hawaii : Highway to the Heaven Hawaii : Highway to the Mantle
4. More Dreams dream ! dream ! dream ! dream ! KEK Penguin Diagram
Moon E. Ohtani (Tohoku U.)
Great Particle Microscopes and Neutrino Telescopes