Most interesting result at variance with the current knowledge: “These findings suggest that the knee observed in the all-particle spectrum corresponds to the knee of the light component, rather than the medium-heavy components. “ https://urldefense.com/v3/__https://physics.aps.org/articles/pdf/10.1103/... https://urldefense.com/v3/__https://journals.aps.org/prl/pdf/10.1103/Phys...