AliFastGlauber is a singleton.

[u/mrichter/AliRoot.git] / PYTHIA6 / AliPythia6.cxx

diff --git a/PYTHIA6/AliPythia6.cxx b/PYTHIA6/AliPythia6.cxx
index 8c9be14f70cc3ffc468beec8b34636eef22373d4..f8c761f3fec84cd55dba0dd7060accbbb048fad3 100644 (file)
--- a/PYTHIA6/AliPythia6.cxx
+++ b/PYTHIA6/AliPythia6.cxx
@@ -249,6 +249,28 @@ void AliPythia6::ProcInit(Process_t process, Float_t energy, StrucFunc_t strucfu
 
        AtlasTuning();
        break;
+
+    case kPyMbWithDirectPhoton:
+// Minimum Bias pp-Collisions with direct photon processes added 
+//
+//   
+//      select Pythia min. bias model
+       SetMSEL(0);
+       SetMSUB(92,1);             // single diffraction AB-->XB
+       SetMSUB(93,1);             // single diffraction AB-->AX
+       SetMSUB(94,1);             // double diffraction
+       SetMSUB(95,1);             // low pt production
+
+       SetMSUB(14,1);             //
+       SetMSUB(18,1);             //
+       SetMSUB(29,1);             //
+       SetMSUB(114,1);            //
+       SetMSUB(115,1);            //
+
+
+       AtlasTuning();
+       break;
+
     case kPyMbDefault:
 // Minimum Bias pp-Collisions
 //
@@ -682,7 +704,7 @@ void AliPythia6::InitQuenching(Float_t cMin, Float_t cMax, Float_t k, Int_t iECM
 // (2) The nuclear geometry using the Glauber Model
 //     
     
-    fGlauber = new AliFastGlauber();
+    fGlauber = AliFastGlauber::Instance();
     fGlauber->Init(2);
     fGlauber->SetCentralityClass(cMin, cMax);