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Analyzing 483931 events, of which 213564 had the CAL-LO bit set, the histogram of highest energies shows a peak around 100 MeV with however a significant amount of events below that value.
With a finer binnig the muon peak is apparent. Anders suggests that this might be an effect of 4 versus 1 range readouts.
The events with only 1-range readout triggers (black) and 1-range CAL-LO triggers (red) reproduce what is seen previously.
