Antonis Leisos Antonis Leisos A sea top infrastructure A sea top infrastructure for calibrating an for calibrating an underwater neutrino underwater neutrino telescope telescope • the calibration principle using atmospheric showers the calibration principle using atmospheric showers • construction and performance of the prototype detector station construction and performance of the prototype detector station • Monte Carlo Studies Monte Carlo Studies TeV Particle Astrophysics 2007 27-31 August 2007 Venice, Italy G. Bourlis, P. Christopoulou, N. A. B. Gizani, A. Leisos, P. Razis , A. G. Tsirigotis and S.E. Tzamarias
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Antonis Leisos A sea top infrastructure for calibrating an underwater neutrino telescope the calibration principle using atmospheric showers the calibration.
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Antonis LeisosAntonis Leisos
A sea top infrastructure for A sea top infrastructure for calibrating an underwater calibrating an underwater
neutrino telescopeneutrino telescope
• the calibration principle using atmospheric showersthe calibration principle using atmospheric showers
• construction and performance of the prototype detector stationconstruction and performance of the prototype detector station
• Monte Carlo Studies Monte Carlo Studies
TeV Particle Astrophysics 2007
27-31 August 2007 Venice, Italy
G. Bourlis, P. Christopoulou, N. A. B. Gizani, A. Leisos, P. Razis ,A. G. Tsirigotis and S.E. Tzamarias
1 km
2 km
SPASE air shower arrays
calibration of AMANDA angular resolution and pointing !
resolution Amanda-B10 ~ 3.5°
spase-amanda
IceCube IceTop
The General Idea…
•Angular offset
•Efficiency
•Resolution
•Position
Physics ?
C.R. composition
UHE ν - Horizontal Showers
Veto atmospheric background – Study background
~4km
~20km
Isotropic on the top of the atmosphere
BUT …
~ coscos
dN
d
Pierre Auger: M. Are et al. Ast.Part. 14: 109-120 2000
0 23 4km instrumented area
17
0 2
for detection Ε 6×10 eV
θ 80 0.35/km /year 1.4showers/year
Haverah Park (www.ast.leeds.ac.uk/haverah/havpark.html):
12km2 effective area and 2π coverage in φ
for 10 years operation less than 100 detected showers with 0θ 80