Introduce GetLifetime(Int_T kf) method until functionality provided by

TParticlePDG.

diff --git a/EVGEN/AliDecayer.h b/EVGEN/AliDecayer.h
index 82b3e13d28492837855c409ce1b6492d319bb69c..90e18792c2da422fd02e3e1cbb6083342ba6b542 100644 (file)
--- a/EVGEN/AliDecayer.h
+++ b/EVGEN/AliDecayer.h
@@ -31,6 +31,7 @@ public TObject
     virtual void    SetForceDecay(Decay_t type)                =0;
     virtual void    ForceDecay()                               =0;
     virtual Float_t GetPartialBranchingRatio(Int_t ipart)      =0;
+    virtual Float_t GetLifetime(Int_t kf)                      =0;
     ClassDef(AliDecayer,1) // Alice Decayer Base Class
 };
 #endif

diff --git a/EVGEN/AliDecayerPythia.cxx b/EVGEN/AliDecayerPythia.cxx
index bc083a642b6f565c3885989cbe554bcf518dd30e..6ecf0722814cc45f693a078d58d436dbd06fc7ee 100644 (file)
--- a/EVGEN/AliDecayerPythia.cxx
+++ b/EVGEN/AliDecayerPythia.cxx
@@ -15,6 +15,9 @@
 
 /*
 $Log$
+Revision 1.7  2001/04/12 07:23:28  morsch
+Reactivate forcing option for dimuon and dielectron decay channels of phi (333).
+
 Revision 1.6  2001/03/27 10:53:26  morsch
 Save pythia default decay table at first initialization. Reload at each
 following Init() call.
@@ -377,6 +380,13 @@ Float_t  AliDecayerPythia::GetPartialBranchingRatio(Int_t kf)
     return fBraPart[kc];
 }
 
+Float_t  AliDecayerPythia::GetLifetime(Int_t kf)
+{
+// Get branching ratio
+    Int_t kc=fPythia->Pycomp(TMath::Abs(kf));
+    return fPythia->GetPMAS(kc,4)*3.3333e-12;
+}
+
 #ifdef never
 void AliDecayerPythia::Streamer(TBuffer &R__b)
 {

diff --git a/EVGEN/AliDecayerPythia.h b/EVGEN/AliDecayerPythia.h
index 115da86adcb10841e923a33d65c8eed147181589..44fc6211715c6824dd69221560a37521e90c7ac1 100644 (file)
--- a/EVGEN/AliDecayerPythia.h
+++ b/EVGEN/AliDecayerPythia.h
@@ -30,6 +30,7 @@ public AliDecayer
     virtual void    ForceDecay();
     
     virtual Float_t GetPartialBranchingRatio(Int_t ipart);
+    virtual Float_t  AliDecayerPythia::GetLifetime(Int_t kf);
     
  private:
     void     DefineParticles();