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25 // 25 //
26 // INCL++ intra-nuclear cascade model 26 // INCL++ intra-nuclear cascade model
27 // Alain Boudard, CEA-Saclay, France 27 // Alain Boudard, CEA-Saclay, France
28 // Joseph Cugnon, University of Liege, Belgium 28 // Joseph Cugnon, University of Liege, Belgium
29 // Jean-Christophe David, CEA-Saclay, France 29 // Jean-Christophe David, CEA-Saclay, France
30 // Pekka Kaitaniemi, CEA-Saclay, France, and H 30 // Pekka Kaitaniemi, CEA-Saclay, France, and Helsinki Institute of Physics, Finland
31 // Sylvie Leray, CEA-Saclay, France 31 // Sylvie Leray, CEA-Saclay, France
32 // Davide Mancusi, CEA-Saclay, France 32 // Davide Mancusi, CEA-Saclay, France
33 // 33 //
34 #define INCLXX_IN_GEANT4_MODE 1 34 #define INCLXX_IN_GEANT4_MODE 1
35 35
36 #include "globals.hh" 36 #include "globals.hh"
37 37
38 /** \file G4INCLCrossSectionsTruncatedMultiPio 38 /** \file G4INCLCrossSectionsTruncatedMultiPions.cc
39 * \brief Truncated multipion cross sections 39 * \brief Truncated multipion cross sections
40 * 40 *
41 * \date 10th December 2014 41 * \date 10th December 2014
42 * \author Davide Mancusi 42 * \author Davide Mancusi
43 */ 43 */
44 44
45 #include "G4INCLCrossSectionsTruncatedMultiPio 45 #include "G4INCLCrossSectionsTruncatedMultiPions.hh"
46 // #include <cassert> 46 // #include <cassert>
47 47
48 namespace G4INCL { 48 namespace G4INCL {
49 49
50 CrossSectionsTruncatedMultiPions::CrossSecti 50 CrossSectionsTruncatedMultiPions::CrossSectionsTruncatedMultiPions(const G4int nPi) :
51 nMaxPi(nPi) 51 nMaxPi(nPi)
52 {} 52 {}
53 53
54 G4double CrossSectionsTruncatedMultiPions::e 54 G4double CrossSectionsTruncatedMultiPions::elastic(Particle const * const p1, Particle const * const p2) {
55 // if(!p1->isPion() && !p2->isPion()) { 55 // if(!p1->isPion() && !p2->isPion()) {
56 if((p1->isNucleon()||p1->isDelta()) && (p 56 if((p1->isNucleon()||p1->isDelta()) && (p2->isNucleon()||p2->isDelta())){
57 return NNElastic(p1, p2); 57 return NNElastic(p1, p2);
58 } 58 }
59 // else if (p1->isNucleon() || p2->isNucleon( 59 // else if (p1->isNucleon() || p2->isNucleon()) {
60 else if ((p1->isNucleon() && p2->isPion() 60 else if ((p1->isNucleon() && p2->isPion()) || (p2->isNucleon() && p1->isPion())){
61 G4double pielas = piNTot(p1,p2) - piNIne 61 G4double pielas = piNTot(p1,p2) - piNIne(p1,p2) - CrossSectionsMultiPions::piNToDelta(p1,p2);
62 if (pielas < 0.) 62 if (pielas < 0.)
63 pielas = 0.; 63 pielas = 0.;
64 return pielas; 64 return pielas;
65 } else 65 } else
66 return 0.0; 66 return 0.0;
67 } 67 }
68 68
69 G4double CrossSectionsTruncatedMultiPions::p 69 G4double CrossSectionsTruncatedMultiPions::piNToDelta(Particle const * const particle1, Particle const * const particle2) {
70 G4double sum = CrossSectionsMultiPions::pi 70 G4double sum = CrossSectionsMultiPions::piNToDelta(particle1, particle2);
71 if(nMaxPi<=1) { 71 if(nMaxPi<=1) {
72 for(G4int i=nMaxPi+1; i<=nMaxPiPiN; ++i) 72 for(G4int i=nMaxPi+1; i<=nMaxPiPiN; ++i)
73 sum += CrossSectionsMultiPions::piNTox 73 sum += CrossSectionsMultiPions::piNToxPiN(i, particle1, particle2);
74 } 74 }
75 return sum; 75 return sum;
76 } 76 }
77 77
78 G4double CrossSectionsTruncatedMultiPions::N 78 G4double CrossSectionsTruncatedMultiPions::NNToxPiNN(const G4int xpi, Particle const * const particle1, Particle const * const particle2) {
79 if(xpi<nMaxPi) 79 if(xpi<nMaxPi)
80 return CrossSectionsMultiPions::NNToxPiN 80 return CrossSectionsMultiPions::NNToxPiNN(xpi, particle1, particle2);
81 else if(xpi==nMaxPi) { 81 else if(xpi==nMaxPi) {
82 G4double sum = 0.; 82 G4double sum = 0.;
83 for(G4int i=xpi; i<=nMaxPiNN; ++i) 83 for(G4int i=xpi; i<=nMaxPiNN; ++i)
84 sum += CrossSectionsMultiPions::NNToxP 84 sum += CrossSectionsMultiPions::NNToxPiNN(i, particle1, particle2);
85 return sum; 85 return sum;
86 } else 86 } else
87 return 0.; 87 return 0.;
88 } 88 }
89 89
90 G4double CrossSectionsTruncatedMultiPions::p 90 G4double CrossSectionsTruncatedMultiPions::piNToxPiN(const G4int xpi, Particle const * const particle1, Particle const * const particle2) {
91 if(xpi<nMaxPi) 91 if(xpi<nMaxPi)
92 return CrossSectionsMultiPions::piNToxPi 92 return CrossSectionsMultiPions::piNToxPiN(xpi, particle1, particle2);
93 else if(xpi==nMaxPi) { 93 else if(xpi==nMaxPi) {
94 G4double sum = 0.; 94 G4double sum = 0.;
95 for(G4int i=xpi; i<=nMaxPiPiN; ++i) 95 for(G4int i=xpi; i<=nMaxPiPiN; ++i)
96 sum += CrossSectionsMultiPions::piNTox 96 sum += CrossSectionsMultiPions::piNToxPiN(i, particle1, particle2);
97 return sum; 97 return sum;
98 } else 98 } else
99 return 0.; 99 return 0.;
100 } 100 }
101 101
102 } // namespace G4INCL 102 } // namespace G4INCL
103 103
104 104