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25 // 25 //
26 // 26 //
27 // ------------------------------------------- 27 // --------------------------------------------------------------------
28 // by J.P Wellisch, Sun Sep 15 2002. 28 // by J.P Wellisch, Sun Sep 15 2002.
29 29
30 #include "G4PiData.hh" 30 #include "G4PiData.hh"
31 #include "G4SystemOfUnits.hh" 31 #include "G4SystemOfUnits.hh"
>> 32 #include "G4HadronicException.hh"
32 33
33 ////////////////////////////////////////////// 34 ///////////////////////////////////////////////////////////////////////
34 35
35 G4PiData::G4PiData(const G4double * aT, const 36 G4PiData::G4PiData(const G4double * aT, const G4double * aIn,
36 const G4double * anE, G4int 37 const G4double * anE, G4int nP)
37 { 38 {
38 for(G4int i = 0; i < nP; ++i ) << 39 G4int i=0;
>> 40
>> 41 for( i = 0; i < nP; i++ )
39 { 42 {
40 std::pair<G4double, G4double> x; 43 std::pair<G4double, G4double> x;
41 x.first=aT[i]*millibarn; 44 x.first=aT[i]*millibarn;
42 x.second=aIn[i]*millibarn; 45 x.second=aIn[i]*millibarn;
43 std::pair<G4double, std::pair<G4double, G4 46 std::pair<G4double, std::pair<G4double, G4double > > aP;
44 aP.first=anE[i]*GeV; 47 aP.first=anE[i]*GeV;
45 aP.second=x; 48 aP.second=x;
46 push_back(aP); 49 push_back(aP);
47 if (i == 0) { <<
48 fMinE = aP.first; <<
49 fTot0 = x.first; <<
50 fInel0 = x.second; <<
51 } else if (i+1 == nP) { <<
52 fMaxE = aP.first; <<
53 fTot1 = x.first; <<
54 fInel1 = x.second; <<
55 } <<
56 } 50 }
57 } 51 }
58 52
>> 53 ////////////////////////////////////////////////////////////////////////
>> 54
>> 55 G4bool G4PiData::AppliesTo(G4double kineticEnergy)
>> 56 {
>> 57 G4bool result = true;
>> 58 if(kineticEnergy>back().first) result = false;
>> 59 return result;
>> 60 }
>> 61
59 ////////////////////////////////////////////// 62 //////////////////////////////////////////////////////////////////////////
60 63
61 G4double G4PiData::ReactionXSection(G4double k 64 G4double G4PiData::ReactionXSection(G4double kineticEnergy)
62 { 65 {
63 if (kineticEnergy <= fMinE) { return fInel0; << 66 G4double result = 0;
64 if (kineticEnergy >= fMaxE) { return fInel1; <<
65 <<
66 G4PiData::iterator it=begin(); 67 G4PiData::iterator it=begin();
67 while(it!=end()&&kineticEnergy>(*it).first) << 68 while(it!=end()&&kineticEnergy>(*it).first) {it++;}
68 if(it==end()) 69 if(it==end())
69 { 70 {
70 G4ExceptionDescription ed; << 71 throw G4HadronicException(__FILE__, __LINE__,
71 ed << "This cross section is applied for E << 72 "G4PiData::ReactionXSection: used outside validity range");
72 << " outside allowed energy interval" < <<
73 G4Exception("G4PiData::ReactionXSection", <<
74 } 73 }
75 if(it==begin()) it++; 74 if(it==begin()) it++;
76 G4double x1,x2,e1,e2; 75 G4double x1,x2,e1,e2;
77 e1=(*(it-1)).first; 76 e1=(*(it-1)).first;
78 x1=(*(it-1)).second.second; 77 x1=(*(it-1)).second.second;
79 e2=(*(it)).first; 78 e2=(*(it)).first;
80 x2=(*(it)).second.second; 79 x2=(*(it)).second.second;
81 return std::max(0., x1 + (kineticEnergy-e1)* << 80 result = std::max(0., x1 + (kineticEnergy-e1)*(x2-x1)/(e2-e1));
>> 81 return result;
82 } 82 }
83 83
84 ////////////////////////////////////////////// 84 ////////////////////////////////////////////////////////////////////////////
85 85
86 G4double G4PiData::ElasticXSection(G4double ki 86 G4double G4PiData::ElasticXSection(G4double kineticEnergy)
87 { 87 {
88 if (kineticEnergy <= fMinE) { return fTot0 - << 88 G4double result = 0;
89 if (kineticEnergy >= fMaxE) { return fTot1 - <<
90 <<
91 G4PiData::iterator it=begin(); 89 G4PiData::iterator it=begin();
92 while(it!=end()&&kineticEnergy>(*it).first) << 90 while(it!=end()&&kineticEnergy>(*it).first) {it++;}
93 if(it==end()) 91 if(it==end())
94 { 92 {
95 G4ExceptionDescription ed; << 93 throw G4HadronicException(__FILE__, __LINE__,
96 ed << "This cross section is applied for E << 94 "G4PiData::ElasticXSection: used outside validity range");
97 << " outside allowed energy interval" < <<
98 G4Exception("G4PiData::ElasticXSection", " <<
99 } 95 }
100 if(it==begin()) it++; 96 if(it==begin()) it++;
101 G4double x1,x2,e1,e2; 97 G4double x1,x2,e1,e2;
102 e1=(*(it-1)).first; 98 e1=(*(it-1)).first;
103 x1=(*(it-1)).second.first - (*(it-1)).second 99 x1=(*(it-1)).second.first - (*(it-1)).second.second;
104 e2=(*(it)).first; 100 e2=(*(it)).first;
105 x2=(*(it)).second.first - (*(it)).second.sec 101 x2=(*(it)).second.first - (*(it)).second.second;
106 return std::max(0., x1 + (kineticEnergy-e1)* << 102 result = std::max(0., x1 + (kineticEnergy-e1)*(x2-x1)/(e2-e1));
>> 103 return result;
107 } 104 }
108 105
109 ////////////////////////////////////////////// 106 ////////////////////////////////////////////////////////////////////////////
110 107
111 G4double G4PiData::TotalXSection(G4double kine 108 G4double G4PiData::TotalXSection(G4double kineticEnergy)
112 { 109 {
113 if (kineticEnergy <= fMinE) { return fTot0; << 110 G4double result = 0;
114 if (kineticEnergy >= fMaxE) { return fTot1; <<
115 <<
116 G4PiData::iterator it=begin(); 111 G4PiData::iterator it=begin();
117 while(it!=end()&&kineticEnergy>(*it).first) << 112 while(it!=end()&&kineticEnergy>(*it).first) {it++;}
118 if(it==end()) 113 if(it==end())
119 { 114 {
120 G4ExceptionDescription ed; << 115 throw G4HadronicException(__FILE__, __LINE__,
121 ed << "This cross section is applied for E << 116 "G4PiData::TotalXSection: used outside validity range");
122 << " outside allowed energy interval" < <<
123 G4Exception("G4PiData::TotalXSection", "ha <<
124 } 117 }
125 if(it==begin()) it++; 118 if(it==begin()) it++;
126 G4double x1,x2,e1,e2; 119 G4double x1,x2,e1,e2;
127 e1=(*(it-1)).first; 120 e1=(*(it-1)).first;
128 x1=(*(it-1)).second.first; 121 x1=(*(it-1)).second.first;
129 e2=(*(it)).first; 122 e2=(*(it)).first;
130 x2=(*(it)).second.first; 123 x2=(*(it)).second.first;
131 return std::max(0., x1 + (kineticEnergy-e1)* << 124 result = std::max(0., x1 + (kineticEnergy-e1)*(x2-x1)/(e2-e1));
>> 125 return result;
132 } 126 }
133 127