Added material for the TPC electronics/cables (40% of X0)

diff --git a/TPC/AliTPCv0.cxx b/TPC/AliTPCv0.cxx
index 4da5cb325a061d16000df10e3bbb9a79b8847eb1..f97182ffcaf5f2068a23bac6f3254f2895d77d38 100644 (file)
--- a/TPC/AliTPCv0.cxx
+++ b/TPC/AliTPCv0.cxx
@@ -721,6 +721,15 @@ void AliTPCv0::CreateGeometry()
   sh->DefineSection(1,4.,81.5-shift,250.75-shift);
   TGeoVolume *shv = new TGeoVolume("TPC_SWS1",sh,m1); //Air
   //
+  TGeoMedium *m9 =  gGeoManager->GetMedium("TPC_Si"); 
+  TGeoPgon *el = new TGeoPgon(0.,20.,1,2);
+  el->DefineSection(0,-1.872,81.5-shift,250.75-shift);
+  el->DefineSection(1,1.872,81.5-shift,250.75-shift);
+  TGeoVolume *elv = new TGeoVolume("TPC_ELEC",el,m9); //Si 
+  //
+  shv->AddNode(elv,1);
+  //
+  //
   ys = shift*TMath::Sin(OpeningAngle);
   xs = shift*TMath::Cos(OpeningAngle);
   swv->AddNode(shv,1,new TGeoTranslation(xs,ys,0.));

diff --git a/TPC/AliTPCv1.cxx b/TPC/AliTPCv1.cxx
index f645dc8cab778fc791fd651ed148e44c75a96be3..3e269d8ac6eca5ed82306a176aaffd006b4b8ac8 100644 (file)
--- a/TPC/AliTPCv1.cxx
+++ b/TPC/AliTPCv1.cxx
@@ -739,6 +739,15 @@ void AliTPCv1::CreateGeometry()
   sh->DefineSection(1,4.,81.5-shift,250.75-shift);
   TGeoVolume *shv = new TGeoVolume("TPC_SWS1",sh,m1); //Air
   //
+  TGeoMedium *m9 =  gGeoManager->GetMedium("TPC_Si"); 
+  TGeoPgon *el = new TGeoPgon(0.,20.,1,2);
+  el->DefineSection(0,-1.872,81.5-shift,250.75-shift);
+  el->DefineSection(1,1.872,81.5-shift,250.75-shift);
+  TGeoVolume *elv = new TGeoVolume("TPC_ELEC",el,m9); //Si 
+  //
+  shv->AddNode(elv,1);
+  //
+  //
   ys = shift*TMath::Sin(OpeningAngle);
   xs = shift*TMath::Cos(OpeningAngle);
   swv->AddNode(shv,1,new TGeoTranslation(xs,ys,0.));

diff --git a/TPC/AliTPCv2.cxx b/TPC/AliTPCv2.cxx
index 9b82efe9f98fc59a67f4dcb936f5a187db6dbda0..5b87f315b5b17a5279b51a0fcef26e94a777b4dc 100644 (file)
--- a/TPC/AliTPCv2.cxx
+++ b/TPC/AliTPCv2.cxx
@@ -725,6 +725,15 @@ void AliTPCv2::CreateGeometry()
   sh->DefineSection(1,4.,81.5-shift,250.75-shift);
   TGeoVolume *shv = new TGeoVolume("TPC_SWS1",sh,m1); //Air
   //
+  TGeoMedium *m9 =  gGeoManager->GetMedium("TPC_Si"); 
+  TGeoPgon *el = new TGeoPgon(0.,20.,1,2);
+  el->DefineSection(0,-1.872,81.5-shift,250.75-shift);
+  el->DefineSection(1,1.872,81.5-shift,250.75-shift);
+  TGeoVolume *elv = new TGeoVolume("TPC_ELEC",el,m9); //Si 
+  //
+  shv->AddNode(elv,1);
+  //
+  //
   ys = shift*TMath::Sin(OpeningAngle);
   xs = shift*TMath::Cos(OpeningAngle);
   swv->AddNode(shv,1,new TGeoTranslation(xs,ys,0.));

diff --git a/TPC/AliTPCv3.cxx b/TPC/AliTPCv3.cxx
index 9e63429deb4629340ab9d096105cc02cab28d004..1b765c031908e36496d1b6f9b50a9ae7c19389c3 100644 (file)
--- a/TPC/AliTPCv3.cxx
+++ b/TPC/AliTPCv3.cxx
@@ -744,6 +744,14 @@ void AliTPCv3::CreateGeometry()
   sh->DefineSection(1,4.,81.5-shift,250.75-shift);
   TGeoVolume *shv = new TGeoVolume("TPC_SWS1",sh,m1); //Air
   //
+  TGeoMedium *m9 =  gGeoManager->GetMedium("TPC_Si"); 
+  TGeoPgon *el = new TGeoPgon(0.,20.,1,2);
+  el->DefineSection(0,-1.872,81.5-shift,250.75-shift);
+  el->DefineSection(1,1.872,81.5-shift,250.75-shift);
+  TGeoVolume *elv = new TGeoVolume("TPC_ELEC",el,m9); //Si 
+  //
+  shv->AddNode(elv,1);
+  //
   ys = shift*TMath::Sin(OpeningAngle);
   xs = shift*TMath::Cos(OpeningAngle);
   swv->AddNode(shv,1,new TGeoTranslation(xs,ys,0.));