Systematics due to the interaction models

NPE distributions

NPE distribution (Real data) slope: -2.85 +- 0.04	NPE distribution (Elbert) slope: -2.91 +- 0.07
NPE distribution (corsika (iron, SIBYLL)) slope: -3.00 +- 0.06	NPE distribution (corsika (proton, SIBYLL)) slope: -2.84 +- 0.08	NPE distribution (corsika (iron, QGSjetII)) slope: -2.93 +- 0.07

Comparison