Atmospheric Neutrinos

Figure 10

𝐿/𝐸 distribution from Super-K (240-kton · year exposure). Data over no-oscillation Monte Carlo prediction are plotted as a function of 𝐿/𝐸. Events that satisfy the 𝐿/𝐸 resolution cut (i.e., 𝜎(𝐿/𝐸)<70%) [33] are used. The red histogram shows the best fit 𝜈_𝜇↔𝜈_𝜏 expectation.