Updated drift gas. It's Ne-CO2 90/10 now.
authorkowal2 <kowal2@f7af4fe6-9843-0410-8265-dc069ae4e863>
Wed, 13 Apr 2011 14:57:52 +0000 (14:57 +0000)
committerkowal2 <kowal2@f7af4fe6-9843-0410-8265-dc069ae4e863>
Wed, 13 Apr 2011 14:57:52 +0000 (14:57 +0000)
TPC/AliTPC.cxx
TPC/AliTPCv0.cxx
TPC/AliTPCv1.cxx
TPC/AliTPCv2.cxx
TPC/AliTPCv3.cxx
TPC/AliTPCv4.cxx

index ed24ff8..34487b6 100644 (file)
@@ -294,30 +294,33 @@ void AliTPC::CreateMaterials()
 
   //
   // Drift gases 1 - nonsensitive, 2 - sensitive
-  // Ne-CO2-N2 (90-10-5) (volume) values at 20deg and 1 atm.
-  // rho(Ne) = 0.839 g/cm^3, rho(CO2) = 1.842 g/cm^3, rho(N2) = 1.165 g/cm^3
-  // for the calculation - everything is normalized to 1
+  // Ne-CO2 (90-10) (volume) values at 20deg and 1 atm.
+  // rho(Ne) = 0.839 g/cm^3, rho(CO2) = 1.842 g/cm^3
+  
 
   amat[0]= 20.18;
   amat[1]=12.011;
   amat[2]=15.9994;
-  amat[3]=14.007;
+  // amat[3]=14.007;
 
   zmat[0]= 10.; 
   zmat[1]=6.;
   zmat[2]=8.;
-  zmat[3]=7.;
-
-  wmat[0]=0.756992632;
-  wmat[1]=0.056235789;
-  wmat[2]=0.128469474;
-  wmat[3]=0.058395789;
+  // zmat[3]=7.;
+
+  //wmat[0]=0.756992632;
+  wmat[0]=0.8038965;
+  //wmat[1]=0.056235789;
+  wmat[1]= 0.053519;
+  //wmat[2]=0.128469474;
+  wmat[2]= 0.1425743;
+  // wmat[3]=0.058395789;
  
-  density=0.000904929;
+  density=0.0009393;
 
-  AliMixture(12,"Ne-CO2-N-1",amat,zmat,density,4,wmat);
-  AliMixture(13,"Ne-CO2-N-2",amat,zmat,density,4,wmat);
-  AliMixture(35,"Ne-CO2-N-3",amat,zmat,density,4,wmat);
+  AliMixture(12,"Ne-CO2-1",amat,zmat,density,3,wmat);
+  AliMixture(13,"Ne-CO2-2",amat,zmat,density,3,wmat);
+  AliMixture(35,"Ne-CO2-3",amat,zmat,density,3,wmat);
   //----------------------------------------------------------------------
   //               solid materials
   //----------------------------------------------------------------------
@@ -680,10 +683,10 @@ void AliTPC::CreateMaterials()
   //----------------------------------------------------------
 
   AliMedium(0, "Air", 11, 0, iSXFLD, sXMGMX, 10., 999., .1, .01, .1);
-  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(1, "Ne-CO2-1", 12, 0, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001);
+  AliMedium(2, "Ne-CO2-2", 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", 35, 1, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001);
+  AliMedium(20, "Ne-CO2-3", 35, 1, iSXFLD, sXMGMX, 10., 999.,.1,.001, .001);
   //-----------------------------------------------------------  
   // tracking media for solids
   //-----------------------------------------------------------
index 9095c23..7f93446 100644 (file)
@@ -144,7 +144,7 @@ void AliTPCv0::CreateGeometry()
   dvol->DefineSection(4,253.6,74.5,264.4);
   dvol->DefineSection(5,260.,74.5,264.4);
   //
-  TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-N-1");
+  TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-1");
   TGeoVolume *v9 = new TGeoVolume("TPC_Drift",dvol,m5);
   //
   v1->AddNode(v9,1);
index ed625d3..a93d186 100644 (file)
@@ -160,7 +160,7 @@ void AliTPCv1::CreateGeometry()
   dvol->DefineSection(4,253.6,74.5,264.4);
   dvol->DefineSection(5,260.,74.5,264.4);
   //
-  TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-N-1");
+  TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-1");
   TGeoVolume *v9 = new TGeoVolume("TPC_Drift",dvol,m5);
   //
   //
@@ -801,7 +801,7 @@ void AliTPCv1::CreateGeometry()
    v1->AddNode(swheel,2,new TGeoTranslation(0.,0.,284.6));
 
    // sensitive strips 
-   TGeoMedium *m8 = gGeoManager->GetMedium("TPC_Ne-CO2-N-2");
+   TGeoMedium *m8 = gGeoManager->GetMedium("TPC_Ne-CO2-2");
    Int_t totrows;
    totrows = fTPCParam->GetNRowLow() + fTPCParam->GetNRowUp();
    Double_t *upar;
index e962ac4..a373c4f 100644 (file)
@@ -157,7 +157,7 @@ void AliTPCv2::CreateGeometry()
   dvol->DefineSection(4,253.6,74.5,264.4);
   dvol->DefineSection(5,260.,74.5,264.4);
   //
-  TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-N-2");
+  TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-2");
   TGeoVolume *v9 = new TGeoVolume("TPC_Drift",dvol,m5);
   //
   v1->AddNode(v9,1);
index 2edeaea..61c577b 100644 (file)
@@ -162,7 +162,7 @@ void AliTPCv3::CreateGeometry()
   dvol->DefineSection(4,253.6,74.5,264.4);
   dvol->DefineSection(5,260.,74.5,264.4);
   //
-  TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-N-2");
+  TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-2");
   TGeoVolume *v9 = new TGeoVolume("TPC_Drift",dvol,m5);
   //
   v1->AddNode(v9,1);
index 20f09cd..10fdd52 100644 (file)
@@ -153,7 +153,7 @@ void AliTPCv4::CreateGeometry()
   dvol->DefineSection(4,253.6,74.5,264.4);
   dvol->DefineSection(5,260.,74.5,264.4);
   //
-  TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-N-3");
+  TGeoMedium *m5 = gGeoManager->GetMedium("TPC_Ne-CO2-3");
   TGeoVolume *v9 = new TGeoVolume("TPC_Drift",dvol,m5);
   //
   v1->AddNode(v9,1);