diff --git a/Projects/Epic_sim_proto/Epic.detector b/Projects/Epic_sim_proto/Epic.detector
index f1800389c48843464acfbfa9e11168c52c3b87c7..77b3e8311a44779c60b628069f68c9776f30af74 100644
--- a/Projects/Epic_sim_proto/Epic.detector
+++ b/Projects/Epic_sim_proto/Epic.detector
@@ -1,8 +1,13 @@
 %%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
+Alias SamplesMaterial
+ Action= Copy
+ Value= 238U 238U 235U 235U 238U 238U 235U 235U 238U 238U
+%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
 Epic
  POS= 0 0 0 mm
  GasMaterial= CF4
  Pressure= 1 bar
- Distance_AnodeCathode= 2.5 mm
  nAnodes= 5
+ Distance_AK= 2.5 mm
+ InterDistance_KK= 0.8 mm