Import Geant4 6.0.0 source tree

2016-06-09 10:41:53 +02:00
parent 4aea781e80
commit 96686e0c8f
6560 changed files with 153347 additions and 238155 deletions
@@ -0,0 +1,125 @@
+//
+// ********************************************************************
+// * DISCLAIMER                                                       *
+// *                                                                  *
+// * The following disclaimer summarizes all the specific disclaimers *
+// * of contributors to this software. The specific disclaimers,which *
+// * govern, are listed with their locations in:                      *
+// *   http://cern.ch/geant4/license                                  *
+// *                                                                  *
+// * Neither the authors of this software system, nor their employing *
+// * institutes,nor the agencies providing financial support for this *
+// * work  make  any representation or  warranty, express or implied, *
+// * regarding  this  software system or assume any liability for its *
+// * use.                                                             *
+// *                                                                  *
+// * This  code  implementation is the  intellectual property  of the *
+// * GEANT4 collaboration.                                            *
+// * By copying,  distributing  or modifying the Program (or any work *
+// * based  on  the Program)  you indicate  your  acceptance of  this *
+// * statement, and all its terms.                                    *
+// ********************************************************************
+//
+// Historic fragment from M.Komogorov; clean-up still necessary @@@
+#include "G4ExcitedStringDecay.hh"
+
+G4ExcitedStringDecay::G4ExcitedStringDecay()
+{
+	theStringDecay=NULL;
+}
+
+G4ExcitedStringDecay::G4ExcitedStringDecay(G4VLongitudinalStringDecay * aStringDecay)
+: theStringDecay(aStringDecay)
+{}
+
+G4ExcitedStringDecay::G4ExcitedStringDecay(const G4ExcitedStringDecay &) : G4VStringFragmentation()
+{
+} 
+
+G4ExcitedStringDecay::~G4ExcitedStringDecay()
+{
+}
+
+const G4ExcitedStringDecay & G4ExcitedStringDecay::operator=(const G4ExcitedStringDecay &)
+{
+  throw G4HadronicException(__FILE__, __LINE__, "G4ExcitedStringDecay::operator= meant to not be accessable");
+  return *this;
+}
+
+int G4ExcitedStringDecay::operator==(const G4ExcitedStringDecay &) const
+{
+  return 0;
+}
+
+int G4ExcitedStringDecay::operator!=(const G4ExcitedStringDecay &) const
+{
+  return 1;
+}
+
+G4bool G4ExcitedStringDecay::
+EnergyAndMomentumCorrector(G4KineticTrackVector* Output, G4LorentzVector& TotalCollisionMom)   
+  {
+    const int    nAttemptScale = 500;
+    const double ErrLimit = 1.E-5;
+    if (Output->empty())
+       return TRUE;
+    G4LorentzVector SumMom;
+    G4double        SumMass = 0;     
+    G4double        TotalCollisionMass = TotalCollisionMom.m(); 
+    // Calculate sum hadron 4-momenta and summing hadron mass
+    unsigned int cHadron;
+    for(cHadron = 0; cHadron < Output->size(); cHadron++)
+        {
+        SumMom  += Output->operator[](cHadron)->Get4Momentum();
+        SumMass += Output->operator[](cHadron)->GetDefinition()->GetPDGMass();
+        }
+    if (SumMass > TotalCollisionMass) return FALSE;
+    SumMass = SumMom.m2();
+    if (SumMass < 0) return FALSE;
+    SumMass = sqrt(SumMass);
+
+     // Compute c.m.s. hadron velocity and boost KTV to hadron c.m.s.
+    G4ThreeVector Beta = -SumMom.boostVector();
+    Output->Boost(Beta);
+
+    // Scale total c.m.s. hadron energy (hadron system mass).
+    // It should be equal interaction mass
+    G4double Scale = 1;
+    G4int cAttempt = 0;
+    G4double Sum = 0;
+    G4bool success = false;
+    for(cAttempt = 0; cAttempt < nAttemptScale; cAttempt++)
+    {
+      Sum = 0;
+      for(cHadron = 0; cHadron < Output->size(); cHadron++)
+      {
+        G4LorentzVector HadronMom = Output->operator[](cHadron)->Get4Momentum();
+        HadronMom.setVect(Scale*HadronMom.vect());
+        G4double E = sqrt(HadronMom.vect().mag2() + sqr(Output->operator[](cHadron)->GetDefinition()->GetPDGMass()));
+        HadronMom.setE(E);
+        Output->operator[](cHadron)->Set4Momentum(HadronMom);
+        Sum += E;
+      }   
+      Scale = TotalCollisionMass/Sum;    
+      if (Scale - 1 <= ErrLimit) 
+      {
+        success = true;
+	break;
+      }
+    }
+    
+    if(!success)
+    {
+      G4cout << "G4ExcitedStringDecay::EnergyAndMomentumCorrector - Warning"<<G4endl;
+      G4cout << "   Scale not unity at end of iteration loop: "<<TotalCollisionMass<<" "<<Sum<<" "<<Scale<<G4endl;
+      G4cout << "   Increase number of attempts or increase ERRLIMIT"<<G4endl;
+    }
+
+    // Compute c.m.s. interaction velocity and KTV back boost   
+    Beta = TotalCollisionMom.boostVector(); 
+    Output->Boost(Beta);
+    return TRUE;
+  }
+
+
+