Import Geant4 9.2.0 source tree

2016-06-09 15:58:43 +02:00
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+//
+// ********************************************************************
+// * License and Disclaimer                                           *
+// *                                                                  *
+// * The  Geant4 software  is  copyright of the Copyright Holders  of *
+// * the Geant4 Collaboration.  It is provided  under  the terms  and *
+// * conditions of the Geant4 Software License,  included in the file *
+// * LICENSE and available at  http://cern.ch/geant4/license .  These *
+// * include a list of copyright holders.                             *
+// *                                                                  *
+// * 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.  Please see the license in the file  LICENSE  and URL above *
+// * for the full disclaimer and the limitation of liability.         *
+// *                                                                  *
+// * This  code  implementation is the result of  the  scientific and *
+// * technical work of the GEANT4 collaboration.                      *
+// * By using,  copying,  modifying or  distributing the software (or *
+// * any work based  on the software)  you  agree  to acknowledge its *
+// * use  in  resulting  scientific  publications,  and indicate your *
+// * acceptance of all terms of the Geant4 Software license.          *
+// ********************************************************************
+//
+// $Id: G4ee2KNeutralModel.cc,v 1.1 2008/07/10 18:07:27 vnivanch Exp $
+// GEANT4 tag $Name: geant4-09-02 $
+//
+// -------------------------------------------------------------------
+//
+// GEANT4 Class header file
+//
+//
+// File name:     G4ee2KNeutralModel
+//
+// Author:        Vladimir Ivanchenko
+//
+// Creation date: 09.07.2008
+//
+// Modifications:
+//
+//
+// -------------------------------------------------------------------
+//
+
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
+
+#include "G4ee2KNeutralModel.hh"
+#include "Randomize.hh"
+#include "G4KaonZeroLong.hh"
+#include "G4KaonZeroShort.hh"
+#include "G4DynamicParticle.hh"
+#include "G4PhysicsVector.hh"
+#include "G4PhysicsLinearVector.hh"
+#include "G4eeCrossSections.hh"
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
+
+using namespace std;
+
+G4ee2KNeutralModel::G4ee2KNeutralModel(G4eeCrossSections* cr):
+  cross(cr)
+{
+  massK = G4KaonZeroLong::KaonZeroLong()->GetPDGMass();
+  massPhi = 1019.46*MeV;
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
+
+G4ee2KNeutralModel::~G4ee2KNeutralModel()
+{}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
+
+G4PhysicsVector* G4ee2KNeutralModel::PhysicsVector(G4double emin, 
+						   G4double emax) const
+{
+  G4double tmin = std::max(emin, 2.0*massK);
+  G4double tmax = std::max(tmin, emax);
+  G4int nbins = (G4int)((tmax - tmin)/(1.0*MeV));
+  G4PhysicsVector* v = new G4PhysicsLinearVector(emin,emax,nbins);
+  v->SetSpline(true);
+  return v;
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
+
+void G4ee2KNeutralModel::SampleSecondaries(std::vector<G4DynamicParticle*>* newp,
+	    G4double e, const G4ThreeVector& direction) 
+{
+
+  G4double tkin = 0.5*e - massK;
+  if(tkin < 0.0) tkin = 0.0;
+
+  G4double cost;
+  do {
+    cost = 2.0*G4UniformRand() - 1.0;
+  } while( G4UniformRand() > 1.0 - cost*cost );
+
+  G4double sint = sqrt(1.0 - cost*cost);
+  G4double phi  = twopi * G4UniformRand();
+
+  G4ThreeVector dir(sint*cos(phi),sint*sin(phi), cost);
+  dir.rotateUz(direction);
+
+  // create G4DynamicParticle objects
+  G4DynamicParticle* p1 = 
+     new G4DynamicParticle(G4KaonZeroLong::KaonZeroLong(),dir,tkin);
+  G4DynamicParticle* p2 = 
+     new G4DynamicParticle(G4KaonZeroShort::KaonZeroShort(),-dir,tkin);
+  newp->push_back(p1);
+  newp->push_back(p2);
+}
+
+//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
+