Table 3
Summary of statistical and systematic uncertainties.
| Source of systematics | Uncertainties | ||
| stat. (% ) | sys. (%) | ||
|
|
|||
| Rate deviation in sliding average within 600 s buffer | 1.6 | - | |
| Ice density as function of depth | – | 0.2 | |
Mean track length of electrons and positrons  of e ± in ice |
~0.9 | 5 | |
Uncertainty of the effective volume  for photons |
1.3 | ~12 | |
| Uncertainty on the effect of artifical dead time on the signal | – | 3 | |
| Uncertainty of the inverse beta-decay cross section | – | <1 | |
| Uncertainty of the electron scattering cross sections | – | <1 | |
| Uncertainty of the oxygen scattering cross section | – | ~[3, 20] | |
| Angle dependent MSW oscillation in the mantle and core of the Earth | – | ~[0, –8] | |
Notes. Estimated uncertainties on the total observed rate of all neutrino and anti-neutrino flavors. The earth effect strongly depends on the model and the neutrino angle of incidence. The uncertainty due to oxygen scattering depends on the neutrino energies and the neutrino channel. Assuming oxygen cross sections are known within a factor of two, rates may change between 3% (Garching model) and 20% (black hole model). For electron neutrino scattering alone, oxygen scattering accounts for about 40% of the rate in the Garching model, with correspondingly large uncertainties.
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