Albrecht Karle March 2019 The IceCube Neutrino Observatory DeepCore (low energy threshold) IceTop (surface array): 81 stations IceCube: 86 strings 5160 optical sensors over 1 km3 volume 17 m vertical spacing 125 m horizontal spacing Highly stable operation.
(PMT gain of 1E7 is small.
Noise rates are small.
FWHM = 5 ns
Understanding the ice Measurement of South Pole ice transparency with the IceCube LED calibration system, Aartsen et al., (IceCube Coll.), NIMA55353 http://arxiv.org/abs/1301.5361 Absorption Scattering (eff.): 20 – 50 m Absorption: 100 – 200 m 1.
Vertical structure...
Allowed
Albrecht Karle
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