km3net neutrino telescope in the mediterranean sea
Post on 06-Jan-2016
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KM3NeTKM3NeTNeutrino telescope in the Neutrino telescope in the
Mediterranean SeaMediterranean Sea
cosmic neutrino
1. neutrino from cosmic source2. travels through the Earth3. converts into a muon particle4. which is detected by the telescope
KM3NeT telescope
KM3NeT
cosmic neutrino
cosmic neutrino
1. neutrino converts into a muon2. muon gives light in the sea water3. light is detected by photo sensors
Earth
Optical Module:high pressureglass sphere with 32 PMTs
Room for electronicsPhotonic chip
300 lines, each with25 glass spheres i.e. ~100.000 PMTs in KM3NeT
GPSrec.
Shore station
laser1..n
2
n+1Clock
apd
clck-sc-cal.
data
GbECopper
Logics
CPUs
Power
~16 x
apd
Clockcal
½ns
On-shoreOff-shore, at 3000-5000 m depth
20-100 kmfiber
1 .. 16 x
c
PMT
PMT
Optical module
c
1>2
1+2n+n+1
data
~30 xPower
serdes
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