AliMedium(1, "Ne-CO2-N-1", 12, 0, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001);
AliMedium(2, "Ne-CO2-N-2", 13, 1, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001);
AliMedium(3,"CO2",10,0, iSXFLD, sXMGMX, 10., 999.,.1, .001, .001);
-
+ AliMedium(20, "Ne-CO2-N-3", 13, 1, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001);
//-----------------------------------------------------------
// tracking media for solids
//-----------------------------------------------------------
TPC 1 1e-5 1e-5 1e-3 1e-3 1e-5 1e-5 1e-5 1e-5 1e-5 -1. 1 1 1 1 1 1 3 1 1 1 1
TPC 2 1e-5 1e-5 1e-3 1e-3 1e-5 1e-5 1e-5 1e-5 1e-5 -1. 1 1 1 1 1 1 -1 1 1 1 1
TPC 3 1e-5 1e-5 1e-3 1e-3 1e-5 1e-5 1e-5 1e-5 1e-5 -1. -1 -1 -1 1 1 1 3 1 1 1 1
+TPC 20 1e-6 1e-6 1e-3 1e-3 1e-6 1e-6 1e-6 1e-6 1e-6 -1. 1 1 1 1 1 1 -1 1 1 1 1
TPC 4 -1. -1. -1. -1. -1. -1. -1. -1. -1. -1. -1 -1 -1 1 1 1 3 1 1 1 1
TPC 5 -1. -1. -1. -1. -1. -1. -1. -1. -1. -1. -1 -1 -1 1 1 1 3 1 1 1 1
TPC 6 -1. -1. -1. -1. -1. -1. -1. -1. -1. -1. -1 -1 -1 1 1 1 3 1 1 1 1