Reduced hole in front of PHOS.

[u/mrichter/AliRoot.git] / STRUCT / AliFRAMEv2.cxx

diff --git a/STRUCT/AliFRAMEv2.cxx b/STRUCT/AliFRAMEv2.cxx
index f1d00504f00bd97d50350e2dc14814d4317a4bbf..8f2775c4b0ca819de84e45a6ae4d8927865e0163 100644 (file)
--- a/STRUCT/AliFRAMEv2.cxx
+++ b/STRUCT/AliFRAMEv2.cxx
@@ -481,7 +481,7 @@ void AliFRAMEv2::CreateGeometry()
   }
 // Position of Holes for PHOS (P) and RICH (R) starting at 6h
 //                 P  P  P  -  -  R  R  R  -  -  -  -  -  -  -  -  P  P
-  Int_t mod[18] = {1, 1, 1, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1};
+  Int_t mod[18] = {0, 0, 0, 0, 0, 2, 2, 2, 0, 0, 0, 0, 0, 0, 0, 0, 1, 1};
   
   
   Float_t r      = 341.8;
@@ -1260,15 +1260,25 @@ void AliFRAMEv2::CreateMaterials()
   stmin  = -.8;
   Int_t   isxfld = gAlice->Field()->Integ();
   Float_t sxmgmx = gAlice->Field()->Max();
-  
+
+
   Float_t asteel[4] = { 55.847,51.9961,58.6934,28.0855 };
   Float_t zsteel[4] = { 26.,24.,28.,14. };
   Float_t wsteel[4] = { .715,.18,.1,.005 };
+  
+  //Air
+  
+  Float_t aAir[4]={12.0107,14.0067,15.9994,39.948};
+  Float_t zAir[4]={6.,7.,8.,18.};
+  Float_t wAir[4]={0.000124,0.755267,0.231781,0.012827};
+  Float_t dAir = 1.20479E-3;
 
   AliMixture(65, "STAINLESS STEEL$", asteel, zsteel, 7.88, 4, wsteel);
-  AliMaterial(5, "AIR$      ", 14.61, 7.3, .001205, 30423.24, 67500.);
+  AliMixture(5, "AIR$      ", aAir, zAir, dAir,4, wAir);
+
   AliMedium(65, "Stainless Steel", 65, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
-  AliMedium( 5, "Air            ", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+  AliMedium( 5, "Air", 5, 0, isxfld, sxmgmx, tmaxfd, stemax, deemax, epsil, stmin);
+
 }
 
 //_____________________________________________________________________________