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Fig. 5

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Relative importance of the features of our gamma-hadron classifier. Parameters labeled LHfit are derived from our model. Parameters labeled Hillas are Hillas’ parameters. The classification is dominated by Hillas’ parameters, with in particular the ratio of Hillas’ width over length being the most important after the centroid position. The importance of this parameter was expected, since hadronic EASs are generally wider than electromagnetic EASs.

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