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1 // 1 //
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25 // 25 //
>> 26 // GEANT4 tag $Name: not supported by cvs2svn $
26 // 27 //
27 // ------------------------------------------- 28 // --------------------------------------------------------------------
28 // by J.P Wellisch, Sun Sep 15 2002. 29 // by J.P Wellisch, Sun Sep 15 2002.
29 30
30 #include "G4PiData.hh" 31 #include "G4PiData.hh"
31 #include "G4SystemOfUnits.hh" 32 #include "G4SystemOfUnits.hh"
>> 33 #include "G4HadronicException.hh"
32 34
33 ////////////////////////////////////////////// 35 ///////////////////////////////////////////////////////////////////////
34 36
35 G4PiData::G4PiData(const G4double * aT, const 37 G4PiData::G4PiData(const G4double * aT, const G4double * aIn,
36 const G4double * anE, G4int 38 const G4double * anE, G4int nP)
37 { 39 {
38 for(G4int i = 0; i < nP; ++i ) << 40 G4int i=0;
>> 41
>> 42 for( i = 0; i < nP; i++ )
39 { 43 {
40 std::pair<G4double, G4double> x; 44 std::pair<G4double, G4double> x;
41 x.first=aT[i]*millibarn; 45 x.first=aT[i]*millibarn;
42 x.second=aIn[i]*millibarn; 46 x.second=aIn[i]*millibarn;
43 std::pair<G4double, std::pair<G4double, G4 47 std::pair<G4double, std::pair<G4double, G4double > > aP;
44 aP.first=anE[i]*GeV; 48 aP.first=anE[i]*GeV;
45 aP.second=x; 49 aP.second=x;
46 push_back(aP); 50 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 } 51 }
57 } 52 }
58 53
>> 54 ////////////////////////////////////////////////////////////////////////
>> 55
>> 56 G4bool G4PiData::AppliesTo(G4double kineticEnergy)
>> 57 {
>> 58 G4bool result = true;
>> 59 if(kineticEnergy>back().first) result = false;
>> 60 return result;
>> 61 }
>> 62
59 ////////////////////////////////////////////// 63 //////////////////////////////////////////////////////////////////////////
60 64
61 G4double G4PiData::ReactionXSection(G4double k 65 G4double G4PiData::ReactionXSection(G4double kineticEnergy)
62 { 66 {
63 if (kineticEnergy <= fMinE) { return fInel0; << 67 G4double result = 0;
64 if (kineticEnergy >= fMaxE) { return fInel1; <<
65 <<
66 G4PiData::iterator it=begin(); 68 G4PiData::iterator it=begin();
67 while(it!=end()&&kineticEnergy>(*it).first) << 69 while(it!=end()&&kineticEnergy>(*it).first) {it++;}
68 if(it==end()) 70 if(it==end())
69 { 71 {
70 G4ExceptionDescription ed; << 72 throw G4HadronicException(__FILE__, __LINE__,
71 ed << "This cross section is applied for E << 73 "G4PiData::ReactionXSection: used outside validity range");
72 << " outside allowed energy interval" < <<
73 G4Exception("G4PiData::ReactionXSection", <<
74 } 74 }
75 if(it==begin()) it++; 75 if(it==begin()) it++;
76 G4double x1,x2,e1,e2; 76 G4double x1,x2,e1,e2;
77 e1=(*(it-1)).first; 77 e1=(*(it-1)).first;
78 x1=(*(it-1)).second.second; 78 x1=(*(it-1)).second.second;
79 e2=(*(it)).first; 79 e2=(*(it)).first;
80 x2=(*(it)).second.second; 80 x2=(*(it)).second.second;
81 return std::max(0., x1 + (kineticEnergy-e1)* << 81 result = std::max(0., x1 + (kineticEnergy-e1)*(x2-x1)/(e2-e1));
>> 82 return result;
82 } 83 }
83 84
84 ////////////////////////////////////////////// 85 ////////////////////////////////////////////////////////////////////////////
85 86
86 G4double G4PiData::ElasticXSection(G4double ki 87 G4double G4PiData::ElasticXSection(G4double kineticEnergy)
87 { 88 {
88 if (kineticEnergy <= fMinE) { return fTot0 - << 89 G4double result = 0;
89 if (kineticEnergy >= fMaxE) { return fTot1 - <<
90 <<
91 G4PiData::iterator it=begin(); 90 G4PiData::iterator it=begin();
92 while(it!=end()&&kineticEnergy>(*it).first) << 91 while(it!=end()&&kineticEnergy>(*it).first) {it++;}
93 if(it==end()) 92 if(it==end())
94 { 93 {
95 G4ExceptionDescription ed; << 94 throw G4HadronicException(__FILE__, __LINE__,
96 ed << "This cross section is applied for E << 95 "G4PiData::ElasticXSection: used outside validity range");
97 << " outside allowed energy interval" < <<
98 G4Exception("G4PiData::ElasticXSection", " <<
99 } 96 }
100 if(it==begin()) it++; 97 if(it==begin()) it++;
101 G4double x1,x2,e1,e2; 98 G4double x1,x2,e1,e2;
102 e1=(*(it-1)).first; 99 e1=(*(it-1)).first;
103 x1=(*(it-1)).second.first - (*(it-1)).second 100 x1=(*(it-1)).second.first - (*(it-1)).second.second;
104 e2=(*(it)).first; 101 e2=(*(it)).first;
105 x2=(*(it)).second.first - (*(it)).second.sec 102 x2=(*(it)).second.first - (*(it)).second.second;
106 return std::max(0., x1 + (kineticEnergy-e1)* << 103 result = std::max(0., x1 + (kineticEnergy-e1)*(x2-x1)/(e2-e1));
>> 104 return result;
107 } 105 }
108 106
109 ////////////////////////////////////////////// 107 ////////////////////////////////////////////////////////////////////////////
110 108
111 G4double G4PiData::TotalXSection(G4double kine 109 G4double G4PiData::TotalXSection(G4double kineticEnergy)
112 { 110 {
113 if (kineticEnergy <= fMinE) { return fTot0; << 111 G4double result = 0;
114 if (kineticEnergy >= fMaxE) { return fTot1; <<
115 <<
116 G4PiData::iterator it=begin(); 112 G4PiData::iterator it=begin();
117 while(it!=end()&&kineticEnergy>(*it).first) << 113 while(it!=end()&&kineticEnergy>(*it).first) {it++;}
118 if(it==end()) 114 if(it==end())
119 { 115 {
120 G4ExceptionDescription ed; << 116 throw G4HadronicException(__FILE__, __LINE__,
121 ed << "This cross section is applied for E << 117 "G4PiData::TotalXSection: used outside validity range");
122 << " outside allowed energy interval" < <<
123 G4Exception("G4PiData::TotalXSection", "ha <<
124 } 118 }
125 if(it==begin()) it++; 119 if(it==begin()) it++;
126 G4double x1,x2,e1,e2; 120 G4double x1,x2,e1,e2;
127 e1=(*(it-1)).first; 121 e1=(*(it-1)).first;
128 x1=(*(it-1)).second.first; 122 x1=(*(it-1)).second.first;
129 e2=(*(it)).first; 123 e2=(*(it)).first;
130 x2=(*(it)).second.first; 124 x2=(*(it)).second.first;
131 return std::max(0., x1 + (kineticEnergy-e1)* << 125 result = std::max(0., x1 + (kineticEnergy-e1)*(x2-x1)/(e2-e1));
>> 126 return result;
132 } 127 }
133 128