IceCube-Gen2: the next-generation neutrino observatory for the South Pole
August 16, 2017
August 03, 2018
The IceCube Neutrino Observatory is a cubic-kilometer Cherenkov telescope
buried in the ice sheet at the South Pole that detects neutrinos of all flavors
with energies from tens of GeV to several PeV. The instrument provided the
first measurement of the flux of high-energy astrophysical neutrinos, opening a
new window to the non-thermal universe. Here we present design studies for IceCube-Gen2,
the next-generation neutrino observatory for the South Pole.
IceCube-Gen2 will have an instrumented volume nearly 10 times greater than IceCube
alone, substantially increasing sensitivity to high-energy neutrinos.
On the surface, a large air shower detector
will veto high-energy atmospheric muons and neutrinos from the southern
hemisphere, enhancing the reach of astrophysical neutrino searches. In the ice,
a number of new optical module designs currently being evaluated will allow for
substantially increased photosensitive area per unit cost. We show how these
different sensor designs affect the instrument's ability to resolve the sources
of astrophysical neutrinos.
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