Over view of Particle Geophysics
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Overview of Particle Geophysics Elementary Particles Emerging From Inside the Earth Hiroyuki Tanaka
description
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 Presentation
Transcript of Over view of Particle Geophysics
Overview ofParticle 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 muons are emerging from inside the solid earth?
volcano earth
atmosphericmuons
neutrino-inducedmuons
Small scale detector Large scale detector
Atmospheric Muons
Muon Range
Muons Emerging From Inside Volcano-Scale Objects (Atmospheric
Muons)
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
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]
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]
What kind of particles are emerging from inside the solid earth?
B. Neutrino-Induced Muons
Muons Emerging From Inside Planetary Scale Objects (Neutrino-Induced Muons)
[Gonzalez-Garcia, Halzen, Maltoni and Tanaka, PRL, 2008]
Seismological Tomography
IceCube Detector
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]
IceCube Preliminary Result
[Hoshina, Taketa, Tanaka and IceCube Collaboration, MNR2013, 2013]
Matter Effects and Mass Hierarchy
[Rott and IceCube Collaboration, MNR2013, 2013]
A/Z Effect On Neutrino Oscillation
[Hoshina, Taketa, Tanaka and IceCube Collaboration, MNR2013, 2013]
Uncertainties Coming From Oscillation Perameters
[Hoshina, Taketa, Tanaka and IceCube Collaboration, MNR2013, 2013]
[Hoshina, Taketa, Tanaka and IceCube Collaboration, MNR2013, 2013]
Anticipated Improvements In the Near Future
Survival Probability of Electron Neutrinos
[Hoshina, Taketa, Tanaka and IceCube Collaboration, MNR2013, 2013]
PINGU Detector
[Rott and IceCube Collaboration, MNR2013, 2013]
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]
What kind of particles are emerging from inside the solid earth?
C. Geo-neutrinos
Neutrinos Emerging From Inside the Solid Earth (Geo-Neutrinos)
[McDonough, Dye and Learned, Physics Today, 2012]
More detail will be given in the next talk…
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.
