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25 // 25 //
>> 26 // $Id: GVFlashShowerParameterisation.cc,v 1.2 2006/06/29 19:14:26 gunter Exp $
>> 27 // GEANT4 tag $Name: geant4-08-03-patch-02 $
26 // 28 //
27 // 29 //
28 // ------------------------------------------- 30 // ------------------------------------------------------------
29 // GEANT 4 class implementation 31 // GEANT 4 class implementation
30 // 32 //
31 // ------- GVFlashShowerParameterisation 33 // ------- GVFlashShowerParameterisation -------
32 // 34 //
33 // Authors: Joanna Weng - 11.2005 35 // Authors: Joanna Weng - 11.2005
34 // ------------------------------------------- 36 // ------------------------------------------------------------
35 37
36 #include <cmath> <<
37 <<
38 #include "GVFlashShowerParameterisation.hh" 38 #include "GVFlashShowerParameterisation.hh"
39 << 39 #include <cmath>
40 #include "G4PhysicalConstants.hh" <<
41 #include "G4SystemOfUnits.hh" <<
42 #include "Randomize.hh" 40 #include "Randomize.hh"
43 #include "G4ios.hh" 41 #include "G4ios.hh"
44 #include "G4Material.hh" 42 #include "G4Material.hh"
45 #include "Gamma.hh" // @@@@ 43 #include "Gamma.hh" // @@@@
46 #include "G4MaterialTable.hh" 44 #include "G4MaterialTable.hh"
47 45
48 GVFlashShowerParameterisation::GVFlashShowerPa 46 GVFlashShowerParameterisation::GVFlashShowerParameterisation()
49 : thePar(0), density(0.), A(0.), Z(0.), X0(0 << 47 : thePar(0)
50 { 48 {
51 fGamma = new MyGamma; <<
52 } 49 }
53 50
54 GVFlashShowerParameterisation::~GVFlashShowerP 51 GVFlashShowerParameterisation::~GVFlashShowerParameterisation()
55 { 52 {
56 delete fGamma; <<
57 } 53 }
58 54
59 G4double GVFlashShowerParameterisation::GetEff << 55 G4double GVFlashShowerParameterisation::GetEffZ(const G4Material * mat )
60 { 56 {
61 // Returns Z or effective Z=sum(pi*Zi) (if c 57 // Returns Z or effective Z=sum(pi*Zi) (if compound/mixture)
62 // of given material 58 // of given material
63 // 59 //
64 G4double z = 0.; 60 G4double z = 0.;
65 G4int nofElements = (G4int)mat->GetNumberOfE << 61 G4int nofElements = mat->GetNumberOfElements();
66 if (nofElements > 1) { << 62 if (nofElements > 1)
67 for (G4int i = 0; i < nofElements; ++i) { << 63 {
>> 64 for (G4int i=0; i<nofElements; i++) {
68 G4double zOfElement = mat->GetElement(i) 65 G4double zOfElement = mat->GetElement(i)->GetZ();
69 G4double massFraction = mat->GetFraction 66 G4double massFraction = mat->GetFractionVector()[i];
70 // cout << mat->GetElement(i)->GetName() 67 // cout << mat->GetElement(i)->GetName()
71 // <<" Z= "<<zOfElement << " , Frac 68 // <<" Z= "<<zOfElement << " , Fraction= "<<massFraction <<endl;
72 z += zOfElement * massFraction; << 69 z += zOfElement*massFraction;
73 } 70 }
74 } 71 }
75 else { << 72 else {
76 z = mat->GetZ(); << 73 z = mat->GetZ();
77 } << 74 }
78 return z; 75 return z;
79 } 76 }
80 77
81 G4double GVFlashShowerParameterisation::GetEff << 78 G4double GVFlashShowerParameterisation::GetEffA (const G4Material * mat )
82 { 79 {
83 // Returns A or effective A=sum(pi*Ai) (if c 80 // Returns A or effective A=sum(pi*Ai) (if compound/mixture)
84 // of given material 81 // of given material
85 // 82 //
86 G4double a = 0.; 83 G4double a = 0.;
87 G4int nofElements = (G4int)mat->GetNumberOfE << 84 G4int nofElements = mat->GetNumberOfElements();
88 if (nofElements > 1) { 85 if (nofElements > 1) {
89 for (G4int i = 0; i < nofElements; ++i) { << 86 for (G4int i=0; i<nofElements; i++) {
90 G4double aOfElement = mat->GetElement(i) << 87 G4double aOfElement = mat->GetElement(i)->GetA()/(g/mole);
91 G4double massFraction = mat->GetFraction << 88 G4double massFraction = mat->GetFractionVector()[i];
92 a += aOfElement * massFraction; << 89 a += aOfElement*massFraction;
93 } 90 }
94 } 91 }
95 else { << 92 else {
96 a = mat->GetA() / (g / mole); << 93 a = mat->GetA()/(g/mole);
97 } 94 }
98 return a; 95 return a;
99 } 96 }
100 97
101 void GVFlashShowerParameterisation::PrintMater << 98 void GVFlashShowerParameterisation::PrintMaterial(const G4Material * mat)
102 { 99 {
103 G4cout << "/******************************** << 100 G4cout<<"/********************************************/ " << G4endl;
104 G4cout << " - GVFlashShowerParameterisation << 101 G4cout<<" - GVFlashShowerParameterisation::Material - " << G4endl;
105 G4cout << " Material : " << mat->GetN << 102 G4cout<<" Material : " << mat->GetName() << G4endl;
106 G4cout << " Z = " << Z << G4endl; << 103 G4cout<<" Z = "<< Z << G4endl;
107 G4cout << " A = " << A << G4endl; << 104 G4cout<<" A = "<< A << G4endl;
108 G4cout << " X0 = " << X0 / cm << " cm" << << 105 G4cout<<" X0 = "<<X0/cm <<" cm" << G4endl;
109 G4cout << " Rm = " << Rm / cm << " cm" << << 106 G4cout<<" Rm= "<<Rm/cm <<" cm" << G4endl;
110 G4cout << " Ec = " << Ec / MeV << " MeV" < << 107 G4cout<<" Ec = "<<Ec/MeV << " MeV"<< G4endl;
111 G4cout << "/******************************** << 108 G4cout<<"/********************************************/ " << G4endl;
112 } 109 }
113 110
114 G4double GVFlashShowerParameterisation::Genera 111 G4double GVFlashShowerParameterisation::GeneratePhi()
115 { 112 {
116 G4double Phi = twopi*G4UniformRand() ; 113 G4double Phi = twopi*G4UniformRand() ;
117 return Phi; 114 return Phi;
118 } 115 }
119 116
120 G4double GVFlashShowerParameterisation::gam(G4 << 117 G4double GVFlashShowerParameterisation::gam(G4double x, G4double a) const
121 { 118 {
122 return fGamma->Gamma(a, x); << 119 static MyGamma theG;
>> 120 return theG.Gamma(a, x);
123 } 121 }
124 122