Import Geant4 0.0.0 source tree

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+// This code implementation is the intellectual property of
+// the RD44 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.
+//
+// $Id: G4PiMinusStopC.cc,v 2.5 1998/09/18 16:53:59 pia Exp $
+// GEANT4 tag $Name: geant4-00 $
+//
+// -------------------------------------------------------------------
+//      GEANT 4 class file --- Copyright CERN 1998
+//      CERN Geneva Switzerland
+//
+//      For information related to this code contact:
+//      CERN, IT Division, ASD group
+//
+//      File name:     G4PiMinusStopC
+//
+//      Author:        Maria Grazia Pia (pia@genova.infn.it)
+// 
+//      Creation date: 8 May 1998
+//
+//      Modifications: 
+// -------------------------------------------------------------------
+
+#include "G4ios.hh"
+
+#include "G4PiMinusStopC.hh"
+
+#include <rw/tpordvec.h>
+#include <rw/tvordvec.h>
+#include <rw/cstring.h>
+
+#include "globals.hh"
+#include "Randomize.hh"
+#include "G4Proton.hh"
+#include "G4Neutron.hh"
+#include "G4ParticleTypes.hh"
+#include "G4ReactionKinematics.hh"
+#include "G4DynamicParticleVector.hh"
+#include "G4LorentzVector.hh"
+#include "G4NucleiPropertiesTable.hh"
+#include "G4PiMinusStopMaterial.hh"
+#include "G4DistributionGenerator.hh"
+
+// np/pp production ratio
+// Experimental values: 
+// R(np/pp) = 6.3 +- 1.4 (P. Heusi et al. (Nucl. Phys. A407, 429 [1983])
+// R = 5.0 +- 1.5 (Ozaki et al.)
+// R = 8.8 +- 1.3 (Lee et al.)
+// R = 2.4 +- 1.0 (Nordberg et al.)
+// Use average value of the first three ones
+G4double G4PiMinusStopC::npRatio = 6.7;
+ 
+// Average numbers of final nucleons detected, for N-pair absorption
+// R. Madey et al., Phys. Rev. C25(1982) 3050 
+G4double G4PiMinusStopC::nFinalNucleons = 1.77;
+
+// Kinetic energy (MeV) distributions measured for coincident nucleon 
+// emission
+// P. Heusi et al., Nucl. Phys. A407(1983) 429
+
+G4int G4PiMinusStopC::eKinEntries = 21;
+
+G4double G4PiMinusStopC::eKinData[21] = { 0.031, 0.045, 0.06, 0.09, 
+				      0.11, 0.116, 0.14, 
+				      0.18,  0.21,  0.25, 
+				      0.3,  0.32,  0.31, 0.3, 
+				      0.25,  0.18,  0.16, 
+				      0.15, 0.08,  0.05, 0.01};
+
+G4double G4PiMinusStopC::eKin[22] = {  8., 17.5,  21., 24.5,  
+				  27.5,  31.,  33.5,  
+				  37.5,  42.5,  46.4,
+				  49.,  52.5,  57.5, 62.5,
+				  67.5,  72.5,  75., 
+				  77.5,  82.5,  87.5,  92.5, 110. };
+
+//G4double G4PiMinusStopC::eKin[22] = { 15.,  20.,  22., 25.,  
+//				  30.,  32.,  36.,  
+//				  40.,  45.,  48.,
+//				  50.,  54.,  60., 65.,
+//				  70.,  75.,  78., 
+//				  80.,  86.,  90.,  95., 100. };
+
+// Opening angle distributions measured for coincident nucleon emission
+// R. Hartmann et al., Nucl. Phys. A308 (1978) 345
+
+G4int G4PiMinusStopC::angleEntries = 7;
+
+G4double G4PiMinusStopC::angleData[7] = 
+{ 1.43, 1.67, 2.62, 4.29, 7.62, 11.90, 14.76 };
+
+G4double G4PiMinusStopC::angle[8] = { 1.308997, 1.570796, 1.832596, 2.094395, 
+				  2.356194, 2.617994, 2.967060, 3.1415927 };
+
+
+
+// Constructor
+
+G4PiMinusStopC::G4PiMinusStopC()
+  
+{
+  // Cluster size: nucleon pair, alpha, triton etc.
+  // First implementation: interaction with nucleon pair only
+  _clusterSize = 2;
+
+  // R ratio
+  _R = 1. / (1. + npRatio);
+
+  _definitions = new RWTPtrOrderedVector<G4ParticleDefinition>();
+  _momenta = new RWTPtrOrderedVector<G4LorentzVector>();
+
+  RWTValOrderedVector<double> eKinVector;
+  RWTValOrderedVector<double> eKinDataVector;
+  int i;
+  for (i=0; i<eKinEntries; i++)
+    {
+      eKinVector.insert(eKin[i]);
+      eKinDataVector.insert(eKinData[i]);
+    }
+  eKinVector.insert(eKin[eKinEntries]);
+  _distributionE = new G4DistributionGenerator(eKinVector,eKinDataVector);
+
+  RWTValOrderedVector<double> angleVector;
+  RWTValOrderedVector<double> angleDataVector;
+  for (i=0; i<angleEntries; i++)
+    {
+      angleVector.insert(angle[i]);
+      angleDataVector.insert(angleData[i]);
+    }
+  angleVector.insert(angle[angleEntries]);
+  _distributionAngle = new G4DistributionGenerator(angleVector,angleDataVector);
+}
+
+
+// Destructor
+
+G4PiMinusStopC::~G4PiMinusStopC()
+{}
+
+G4double G4PiMinusStopC::FinalNucleons()
+{
+  return nFinalNucleons;
+}
+