Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/processes/hadronic/cross_sections/src/G4DiffElasticRatio.cc

Version: [ ReleaseNotes ] [ 1.0 ] [ 1.1 ] [ 2.0 ] [ 3.0 ] [ 3.1 ] [ 3.2 ] [ 4.0 ] [ 4.0.p1 ] [ 4.0.p2 ] [ 4.1 ] [ 4.1.p1 ] [ 5.0 ] [ 5.0.p1 ] [ 5.1 ] [ 5.1.p1 ] [ 5.2 ] [ 5.2.p1 ] [ 5.2.p2 ] [ 6.0 ] [ 6.0.p1 ] [ 6.1 ] [ 6.2 ] [ 6.2.p1 ] [ 6.2.p2 ] [ 7.0 ] [ 7.0.p1 ] [ 7.1 ] [ 7.1.p1 ] [ 8.0 ] [ 8.0.p1 ] [ 8.1 ] [ 8.1.p1 ] [ 8.1.p2 ] [ 8.2 ] [ 8.2.p1 ] [ 8.3 ] [ 8.3.p1 ] [ 8.3.p2 ] [ 9.0 ] [ 9.0.p1 ] [ 9.0.p2 ] [ 9.1 ] [ 9.1.p1 ] [ 9.1.p2 ] [ 9.1.p3 ] [ 9.2 ] [ 9.2.p1 ] [ 9.2.p2 ] [ 9.2.p3 ] [ 9.2.p4 ] [ 9.3 ] [ 9.3.p1 ] [ 9.3.p2 ] [ 9.4 ] [ 9.4.p1 ] [ 9.4.p2 ] [ 9.4.p3 ] [ 9.4.p4 ] [ 9.5 ] [ 9.5.p1 ] [ 9.5.p2 ] [ 9.6 ] [ 9.6.p1 ] [ 9.6.p2 ] [ 9.6.p3 ] [ 9.6.p4 ] [ 10.0 ] [ 10.0.p1 ] [ 10.0.p2 ] [ 10.0.p3 ] [ 10.0.p4 ] [ 10.1 ] [ 10.1.p1 ] [ 10.1.p2 ] [ 10.1.p3 ] [ 10.2 ] [ 10.2.p1 ] [ 10.2.p2 ] [ 10.2.p3 ] [ 10.3 ] [ 10.3.p1 ] [ 10.3.p2 ] [ 10.3.p3 ] [ 10.4 ] [ 10.4.p1 ] [ 10.4.p2 ] [ 10.4.p3 ] [ 10.5 ] [ 10.5.p1 ] [ 10.6 ] [ 10.6.p1 ] [ 10.6.p2 ] [ 10.6.p3 ] [ 10.7 ] [ 10.7.p1 ] [ 10.7.p2 ] [ 10.7.p3 ] [ 10.7.p4 ] [ 11.0 ] [ 11.0.p1 ] [ 11.0.p2 ] [ 11.0.p3, ] [ 11.0.p4 ] [ 11.1 ] [ 11.1.1 ] [ 11.1.2 ] [ 11.1.3 ] [ 11.2 ] [ 11.2.1 ] [ 11.2.2 ] [ 11.3.0 ] 

  1 //
  2 // ********************************************************************
  3 // * License and Disclaimer                                           *
  4 // *                                                                  *
  5 // * The  Geant4 software  is  copyright of the Copyright Holders  of *
  6 // * the Geant4 Collaboration.  It is provided  under  the terms  and *
  7 // * conditions of the Geant4 Software License,  included in the file *
  8 // * LICENSE and available at  http://cern.ch/geant4/license .  These *
  9 // * include a list of copyright holders.                             *
 10 // *                                                                  *
 11 // * Neither the authors of this software system, nor their employing *
 12 // * institutes,nor the agencies providing financial support for this *
 13 // * work  make  any representation or  warranty, express or implied, *
 14 // * regarding  this  software system or assume any liability for its *
 15 // * use.  Please see the license in the file  LICENSE  and URL above *
 16 // * for the full disclaimer and the limitation of liability.         *
 17 // *                                                                  *
 18 // * This  code  implementation is the result of  the  scientific and *
 19 // * technical work of the GEANT4 collaboration.                      *
 20 // * By using,  copying,  modifying or  distributing the software (or *
 21 // * any work based  on the software)  you  agree  to acknowledge its *
 22 // * use  in  resulting  scientific  publications,  and indicate your *
 23 // * acceptance of all terms of the Geant4 Software license.          *
 24 // ********************************************************************
 25 //
 26 //
 27 // -------------------------------------------------------------------
 28 //
 29 // GEANT4 Class file
 30 //
 31 //
 32 // File name:    G4DiffElasticRatio
 33 //
 34 // Author:  V.Grichine 07.10.2014
 35 //
 36 // Modifications:
 37 //
 38 // 16.03.15 V. Grichine safety against H ( A > 1 only ) 
 39 
 40 #include "G4DiffElasticRatio.hh"
 41 #include "G4ParticleDefinition.hh"
 42 #include "G4DiffElasticRatio.hh"
 43 #include "G4ComponentGGHadronNucleusXsc.hh"
 44 
 45 G4DiffElasticRatio::G4DiffElasticRatio(const G4String& nam, G4int verb) 
 46   : G4VCrossSectionRatio( nam, verb) 
 47 {
 48   fGGXsc = new G4ComponentGGHadronNucleusXsc();
 49   fDDthreshold = 450.*CLHEP::MeV; // ~3 pi masses
 50 }
 51 
 52 G4DiffElasticRatio::~G4DiffElasticRatio()
 53 {
 54   if(fGGXsc) delete fGGXsc;
 55 }
 56 
 57 
 58 G4double G4DiffElasticRatio::ComputeRatio(const G4ParticleDefinition* theParticleDefinition,
 59       G4double kinEnergy, 
 60       G4int Z, G4int A)
 61 {
 62   G4double ratio = 0.;
 63 
 64   if( A > 1 && kinEnergy > fDDthreshold )
 65   {
 66     G4double ggElXsc = fGGXsc->GetElasticElementCrossSection(theParticleDefinition,kinEnergy,
 67                                                        Z,A);
 68     G4double ggsdXsc = fGGXsc->GetDiffractionGlauberGribovXsc();
 69 
 70     if( ggElXsc > 0.) ratio = ggsdXsc/ggElXsc;
 71     else              ratio = 0;
 72   }
 73   // G4cout<<theParticleDefinition->GetParticleName()<<"; "<<kinEnergy/CLHEP::GeV<<" GeV; r = "<<ratio<<G4endl;
 74   return ratio;
 75 }
 76