Neutrino Oscillations

Table 3

The “up/down” asymmetry for muons and electrons observed in Super-Kamiokande [16]. Here, “up” refers to incident neutrinos within the zenith angle range −1<cos𝜃<−0.2 and “down” within 0.2<cos𝜃<1.

Source	“Up/down” asymmetry
Multi-GeV 𝑒-like	1.04±0.03±0.03
Multi-GeV 𝜇-like	0.52±0.05±0.006
Sub-GeV 𝑒-like	1.09±0.02±0.03
Sub-GeV 𝜇-like	0.65±0.05±0.001