Hi all,
I was optimizing the cut on the total purity on data and I was very very
happy of the number of events I got after all the cuts. Unfortunately I
noticed that each event was doubled in the Tree "events". Since MC root
files did not show this problem I understood that the problem was due to
the option -MC. If you switch it on you get the right number of events
otherwise you double them... I have to redo the study...
Daniele
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