over view of particle geophysics
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Over view of Particle Geophysics. Elementary Particles Emerging From Inside the Earth Hiroyuki Tanaka. What kind of particles are emerging from inside the solid earth?. A. Muons. How many muon s are emerging from inside the solid earth?. Small scale detector. - PowerPoint PPT PresentationTRANSCRIPT
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Overview ofParticle Geophysics
Elementary Particles Emerging From Inside the Earth
Hiroyuki Tanaka
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What kind of particles are emerging from inside the
solid earth?
A. Muons
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How many muons are emerging from inside the solid earth?
volcano earth
atmosphericmuons
neutrino-inducedmuons
Small scale detector Large scale detector
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Atmospheric Muons
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Muon Range
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Muons Emerging From Inside Volcano-Scale Objects (Atmospheric
Muons)
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Muography Detector
Pb+S
US
(160
g/c
m2 )
Pb+S
US
(160
g/c
m2 )
Pb+S
US
(160
g/c
m2 )
Pb+S
US
(160
g/c
m2 )
Pb+S
US
(160
g/c
m2 )
muon
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Muographic Images
eruptionon Feb 2, 2009
330
264
198
132
66
0
0 156 312 468 624 azimuth angle (mrad)
elev
atio
n an
gle
(mra
d)
below 2.20 2.36 above 2.52 density (g/cm3)
reconstructed from the muons recorded in the nuclear emulsion
scintillation detector was accessed from a remote PC
[Tanaka, Nakano, Niwa, Takeo et al, EPSL, 2007] [Tanaka, Uchida, Tanaka, Takeo et al, GRL, 2009]
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1000
800
600
400
2000 1000 2000 azimuth distance (m)
elev
atio
n (m
)
below 1.75 1.86 above 1.95 density (g/cm3)
40
30
20
10
elev
atio
n an
gle
(deg
)
10 20 30 40 50 60 azimuth angle (deg)
below 1.40 1.80 above 2.20 density (g/cm3)
18
16
14
elev
atio
n an
gle
(deg
)
0 5 10 15 20 25 azimuth angle (deg)
below 0.40 1.50 above 2.60 density (g/cm3)
400
230
60
elev
atio
n an
gle
(mra
d)
0 312 624 936 azimuth angle (mrad)
below 1.90 2.40 above 2.90 density (g/cm3)
[Tanaka, Shinohara et al., GRL, 2009]
[Tanaka, Oshima et al., GRL, 2007] [Saracino and Carloganu, Physics Today, 2012]
[Lesparre and Gibert et al., GJI, 2012]
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What kind of particles are emerging from inside the solid earth?
B. Neutrino-Induced Muons
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Muons Emerging From Inside Planetary Scale Objects (Neutrino-Induced Muons)
[Gonzalez-Garcia, Halzen, Maltoni and Tanaka, PRL, 2008]
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Seismological Tomography
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IceCube Detector
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Muon Neutrino Survival Probability
Muo
n ne
utrin
o su
rviv
al p
roba
bilty
Zenith angle (degrees)
1 TeV10 TeV100 TeV1 PeV
[Gonzalez-Garcia, Halzen, Maltoni and Tanaka, PRL, 2008]
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IceCube Preliminary Result
[Hoshina, Taketa, Tanaka and IceCube Collaboration, MNR2013, 2013]
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Matter Effects and Mass Hierarchy
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[Rott and IceCube Collaboration, MNR2013, 2013]
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A/Z Effect On Neutrino Oscillation
[Hoshina, Taketa, Tanaka and IceCube Collaboration, MNR2013, 2013]
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Uncertainties Coming From Oscillation Perameters
[Hoshina, Taketa, Tanaka and IceCube Collaboration, MNR2013, 2013]
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[Hoshina, Taketa, Tanaka and IceCube Collaboration, MNR2013, 2013]
Anticipated Improvements In the Near Future
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Survival Probability of Electron Neutrinos
[Hoshina, Taketa, Tanaka and IceCube Collaboration, MNR2013, 2013]
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PINGU Detector
[Rott and IceCube Collaboration, MNR2013, 2013]
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Ψμ (light)-Ψμ (STD) 0.150.120.090.060.030-0.03-0.06-0.09-0.12-0.15
[Hoshina, Taketa, Tanaka and IceCube Collaboration, MNR2013, 2013]
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What kind of particles are emerging from inside the solid earth?
C. Geo-neutrinos
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Neutrinos Emerging From Inside the Solid Earth (Geo-Neutrinos)
[McDonough, Dye and Learned, Physics Today, 2012]
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More detail will be given in the next talk…
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Conclusion• Elementary particles emerging from
inside the solid earth can be utilized as a completely new probe to explore the interior structure of the earth and geological targets.