ECCE @ EIC Software
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Groups Pages
G4LivermoreIonisationCrossSection.cc
Go to the documentation of this file. Or view the newest version in sPHENIX GitHub for file G4LivermoreIonisationCrossSection.cc
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 // Author: Vladimir Ivanchenko
28 //
29 // History:
30 // --------
31 // 31 May 2011 V.Ivanchenko Created
32 // 09 Mar 2012 L.Pandola update methods
33 //
34 //
35 
37 #include "G4SystemOfUnits.hh"
42 
43 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
44 
45 
47  const G4String& nam) : G4VhShellCrossSection(nam), crossSectionHandler(0)
48 {
49  fLowEnergyLimit = 10.0*eV;
50  fHighEnergyLimit = 100.0*GeV;
51 
53 
54  verboseLevel = 0;
55 
56  Initialise();
57 }
58 
59 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
60 
62 {
63  delete crossSectionHandler;
64 }
65 
66 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
67 
69 {
70  const G4int binForFluo = 20;
71  G4int nbin = G4int(std::log10(fHighEnergyLimit/fLowEnergyLimit) + 0.5);
72  if(nbin <= 0) { nbin = 1; }
73  nbin *= binForFluo;
74 
75  // Data on shell ionisation x-sections
76  if (crossSectionHandler) {
78  delete crossSectionHandler;
79  }
80 
84  crossSectionHandler->LoadShellData("ioni/ion-ss-cs-");
85  //G4cout << "!!! G4LivermoreIonisationCrossSection::Initialise()" << G4endl;
86 }
87 
88 G4double
90  G4double kinEnergy, G4double,
91  const G4Material*)
92 {
93  G4double cross = 0.0;
94  G4int n = G4int(shell);
96  if(Z > 6 && Z < 93 && n < nmax &&
97  kinEnergy >= fLowEnergyLimit && kinEnergy <= fHighEnergyLimit) {
98  //G4cout << "Z= " << Z << " n= " << n << " E(MeV)= " << kinEnergy/MeV << G4endl;
99  cross = crossSectionHandler->FindValue(Z, kinEnergy, n);
100  }
101  return cross;
102 }
103 
104 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
105 
106 std::vector<G4double>
108  G4double kinEnergy,
109  G4double, G4double,
110  const G4Material*)
111 {
113  std::vector<G4double> vec(nmax,0.0);
114  for(G4int i=0; i<nmax; ++i) {
115  vec[i] = CrossSection(Z, G4AtomicShellEnumerator(i), kinEnergy);
116  }
117  return vec;
118 }
119 
120 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
121 
122 std::vector<G4double>
124  G4double kinEnergy,
125  G4double,
126  G4double,
127  const G4Material*)
128 {
129  std::vector<G4double> vec = GetCrossSection(Z, kinEnergy);
130  size_t n = vec.size();
131  size_t i;
132  G4double sum = 0.0;
133  for(i=0; i<n; ++i) { sum += vec[i]; }
134  if(sum > 0.0) {
135  sum = 1.0/sum;
136  for(i=0; i<n; ++i) { vec[i] = vec[i]*sum; }
137  }
138  return vec;
139 }
140 
141 //....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....