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The previous version of this method used events well centered on the CALs and far enough from the edges (the black dot population). The coloured countours are the new areas taken into account now. The deposited energy in the CAL as a function of contour is shown below. One sees that the distributions can still be used as density functions (i.e. they peak, but at different values) except for the most outlying contour which is smeared out. For on-axis events with an available track, this seems to be as well as one can do using position cuts. The purple population has events that lie within the peak zone of the others. Could these be events that actually are within a "good" zone but reconstructed outside of it?
