| 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 | #include "globals.hh"
|
|---|
| 28 | #include "G4ios.hh"
|
|---|
| 29 | #include "G4XNNTotalLowE.hh"
|
|---|
| 30 | #include "G4KineticTrack.hh"
|
|---|
| 31 | #include "G4ParticleDefinition.hh"
|
|---|
| 32 | #include "G4ParticleDefinition.hh"
|
|---|
| 33 | #include "G4Proton.hh"
|
|---|
| 34 | #include "G4Neutron.hh"
|
|---|
| 35 |
|
|---|
| 36 | const G4int G4XNNTotalLowE::tableSize = 29;
|
|---|
| 37 |
|
|---|
| 38 | const G4double G4XNNTotalLowE::ss[29]=
|
|---|
| 39 | {
|
|---|
| 40 | 1877.05, 1879.58, 1882.69, 1884.8, 1886.95, 1891.89, 1895.27, 1899.9, 1904.67, 1913.36, 1921.18, 1933.56, 1949.82, 1990.11, 2025.14, 2059.03, 2101.89, 2166.47, 2201.01, 2236.36, 2289.27, 2377.17, 2426.86, 2500.18, 2602.91, 2733.62, 2925.49, 3002.71
|
|---|
| 41 | };
|
|---|
| 42 |
|
|---|
| 43 | const G4double G4XNNTotalLowE::ppTot[29] =
|
|---|
| 44 | {
|
|---|
| 45 | 2000, 600, 250, 180, 138, 92, 75, 57, 46, 35, 29.5, 25.5, 25, 24, 23.7, 25, 29, 39, 44, 47, 48, 48, 47.5, 47, 45.6, 45, 43.3, 42.9, 42.9
|
|---|
| 46 | };
|
|---|
| 47 |
|
|---|
| 48 | const G4double G4XNNTotalLowE::npTot[29] =
|
|---|
| 49 | {
|
|---|
| 50 | 4250, 1380, 770, 585, 465, 300, 232, 175, 140, 100, 80, 63, 50, 40, 35, 34, 34, 36.5, 37., 37.7, 38, 39, 39.8, 40.5, 40.7, 41, 41.2, 41.5, 41.5
|
|---|
| 51 | };
|
|---|
| 52 |
|
|---|
| 53 | G4XNNTotalLowE::G4XNNTotalLowE()
|
|---|
| 54 | {
|
|---|
| 55 |
|
|---|
| 56 | G4LowEXsection* pp = new G4LowEXsection();
|
|---|
| 57 | G4LowEXsection* np = new G4LowEXsection();
|
|---|
| 58 |
|
|---|
| 59 | G4int i;
|
|---|
| 60 | for (i=0; i<tableSize; i++)
|
|---|
| 61 | {
|
|---|
| 62 | std::pair<double,double> it;
|
|---|
| 63 | it.first=ss[i];
|
|---|
| 64 | it.second=ppTot[i]; pp->push_back(it);
|
|---|
| 65 | it.second=npTot[i]; np->push_back(it);
|
|---|
| 66 | }
|
|---|
| 67 | theCrossSections[G4Proton::ProtonDefinition()->GetParticleName()] = pp;
|
|---|
| 68 | theCrossSections[G4Neutron::NeutronDefinition()->GetParticleName()] = np;
|
|---|
| 69 | }
|
|---|
| 70 |
|
|---|
| 71 |
|
|---|
| 72 | G4XNNTotalLowE::~G4XNNTotalLowE()
|
|---|
| 73 | {
|
|---|
| 74 | G4String name_proton = "proton";
|
|---|
| 75 | G4String name_neutron = "neutron";
|
|---|
| 76 |
|
|---|
| 77 | delete theCrossSections[name_proton];
|
|---|
| 78 | delete theCrossSections[name_neutron];
|
|---|
| 79 | }
|
|---|
| 80 |
|
|---|
| 81 | G4double G4XNNTotalLowE::CrossSection(const G4KineticTrack& trk1, const G4KineticTrack& trk2) const
|
|---|
| 82 | {
|
|---|
| 83 | G4double result = 0.;
|
|---|
| 84 | G4double sqrtS = (trk1.Get4Momentum() + trk2.Get4Momentum()).mag();
|
|---|
| 85 | G4String key = FindKeyParticle(trk1,trk2);
|
|---|
| 86 |
|
|---|
| 87 | if (theCrossSections.find(key)!= theCrossSections.end())
|
|---|
| 88 | {
|
|---|
| 89 | LowEMap::const_iterator iter;
|
|---|
| 90 | for (iter = theCrossSections.begin(); iter != theCrossSections.end(); ++iter)
|
|---|
| 91 | {
|
|---|
| 92 | if ((*iter).first == key)
|
|---|
| 93 | {
|
|---|
| 94 | result = (*iter).second->CrossSection(sqrtS);
|
|---|
| 95 | }
|
|---|
| 96 | }
|
|---|
| 97 | }
|
|---|
| 98 | else
|
|---|
| 99 | {
|
|---|
| 100 | throw G4HadronicException(__FILE__, __LINE__, "G4XNNTotalLowE: particle key out of range");
|
|---|
| 101 | }
|
|---|
| 102 |
|
|---|
| 103 | return result;
|
|---|
| 104 | }
|
|---|
| 105 |
|
|---|
| 106 | G4String G4XNNTotalLowE::Name() const
|
|---|
| 107 | {
|
|---|
| 108 | G4String name("NNTotalLowE");
|
|---|
| 109 | return name;
|
|---|
| 110 | }
|
|---|
| 111 |
|
|---|
| 112 |
|
|---|
| 113 | G4bool G4XNNTotalLowE::IsValid(G4double e) const
|
|---|
| 114 | {
|
|---|
| 115 | G4bool result = e>0&&e<3*GeV;
|
|---|
| 116 | return result;
|
|---|
| 117 | }
|
|---|
| 118 |
|
|---|
| 119 |
|
|---|