Extend ALIC to accommodate ZDC in the pos. side

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

diff --git a/STRUCT/AliBODY.cxx b/STRUCT/AliBODY.cxx
index 8ee2a74ebcefd2f8d011e0cd3deb61f3054795be..ea20fc93288ef3df9f4b6566b5560e436f5c5558 100644 (file)
--- a/STRUCT/AliBODY.cxx
+++ b/STRUCT/AliBODY.cxx
@@ -59,9 +59,9 @@ AliBODY::AliBODY(const char *name, const char *title)
   //
   // Standard constructor of the Alice external volume
   //
-  SetMarkerColor(7);
-  SetMarkerStyle(2);
-  SetMarkerSize(0.4);
+  //PH  SetMarkerColor(7);
+  //PH  SetMarkerStyle(2);
+  //PH  SetMarkerSize(0.4);
 }
  
 //_____________________________________________________________________________
@@ -110,11 +110,11 @@ void AliBODY::CreateGeometry()
     dALIC[5]=0;
     dALIC[6]=2000;
 
-    dALIC[7]=3000;
+    dALIC[7]=15000;
     dALIC[8]=0;
     dALIC[9]=2000;
     gMC->Gsvolu("ALIC","PGON",idtmed[1],dALIC,10);
-  } else if ( gAlice->GetModule("CRT")) {
+  } else if ( gAlice->GetModule("ACORDE")) {
     //
     // If the Cosmic Ray Trigger  is present we need a large box
     // 
@@ -126,7 +126,7 @@ void AliBODY::CreateGeometry()
       
   } else {
     //
-    // If the ZDC and CRT are not present make just a BOX
+    // If the ZDC and ACORDE are not present make just a BOX
     //
     dALIC[0]=2000;
     dALIC[1]=2000;
@@ -141,9 +141,17 @@ void AliBODY::CreateMaterials()
 // Create materials and media
   Int_t isxfld = gAlice->Field()->Integ();
   Float_t sxmgmx = gAlice->Field()->Max();
-  //
-  AliMaterial(1,"Vacuum  $",1.e-16,1.e-16,1.e-16,1.e16,1.e16);
-  AliMaterial(2,"Air     $",14.61,7.3,0.001205,30420,67500);
+  
+  // 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;
+  Float_t dAir1 = 1.20479E-10;
+  //
+  AliMixture(1,"Vacuum  $",aAir,zAir,dAir1,4,wAir);
+  AliMixture(2,"Air     $",aAir,zAir,dAir,4,wAir);
   AliMaterial(3,"Be      $", 9.01,4 ,1.848   ,35.30,36.70);
   //
   AliMedium(1,"Vacuum  $",1,0,isxfld,sxmgmx,10,1,0.1,0.1,10);