Distribution of material in EEMC

Distribution of material as fuction of eta and phi. ( .ps )
The averaged over azimuth thickness of EEMC is of 21.8 radiation length and of 1.07 absorption lenght.

The mat.kumac was used to shoot geantio. It was executed twice for EEMC+CAVE
make cavegeo
make ecalgeo
and for CAVE only. The EEMC backplate was filled with 'Air'. Next, histograms were subtracted ( pl.kumac )