Geant4 Cross Reference

Cross-Referencing   Geant4
Geant4/processes/hadronic/models/pre_equilibrium/exciton_model/src/G4HETCTriton.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 // by V. Lara
 28 //
 29 // Modified:
 30 // 23.08.2010 V.Ivanchenko general cleanup, move constructor and destructor 
 31 //            the source, use G4Pow
 32 
 33 #include "G4HETCTriton.hh"
 34 #include "G4Triton.hh"
 35 #include "G4CoulombBarrier.hh"
 36 
 37 G4HETCTriton::G4HETCTriton() 
 38   : G4HETCChargedFragment(G4Triton::Triton(), new G4CoulombBarrier(3, 1))
 39 {}
 40 
 41 G4double G4HETCTriton::GetAlpha() const
 42 {
 43   G4double C;
 44   if (theFragZ <= 70) 
 45     {
 46       C = 0.10;
 47     } 
 48   else 
 49     {
 50       C = ((((0.15417e-06*theFragZ) - 0.29875e-04)*theFragZ 
 51       + 0.21071e-02)*theFragZ - 0.66612e-01)*theFragZ + 0.98375; 
 52     }
 53   
 54   return 1.0 + C/3.0;
 55 }
 56   
 57 G4double G4HETCTriton::GetSpinFactor() const
 58 {
 59   // 2s+1
 60   return 2.0;
 61 }
 62 
 63 G4double G4HETCTriton::K(const G4Fragment& aFragment) const
 64 {
 65   // Number of protons in emitted fragment
 66   G4int Pa = theZ;
 67   // Number of neutrons in emitted fragment 
 68   G4int Na = theA - Pa;
 69 
 70   G4double r = G4double(theResZ)/G4double(theResA);
 71 
 72   G4int P = aFragment.GetNumberOfParticles();
 73   G4int H = aFragment.GetNumberOfHoles();
 74 
 75   G4double result = 0.0;
 76   if (P > 2)
 77     {
 78       result = 3.0/(P*(P-1.0)*(P-2.0)) * 
 79   (H*(H-1.0)*(H-2.0)*r*(r-1.0)*(r-1.0) +
 80    H*(H-1.0)*(2.0*Na*r*(1.0-r)+Pa*(1.0-r)*(1.0-r)) +
 81    H*(Na*(Na-1.0)*r+2.0*Na*Pa*(1.0-r)) +
 82    Pa*Na*(Na-1.0));
 83 
 84       result /= 3.0*r*(1.0 - r)*(1.0 - r);
 85     }
 86   return std::max(0.0,result);
 87 }
 88