| 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 | // $Id: GVFlashShowerParameterisation.cc,v 1.2 2006/06/29 19:14:26 gunter Exp $
|
|---|
| 27 | // GEANT4 tag $Name: geant4-09-04-beta-01 $
|
|---|
| 28 | //
|
|---|
| 29 | //
|
|---|
| 30 | // ------------------------------------------------------------
|
|---|
| 31 | // GEANT 4 class implementation
|
|---|
| 32 | //
|
|---|
| 33 | // ------- GVFlashShowerParameterisation -------
|
|---|
| 34 | //
|
|---|
| 35 | // Authors: Joanna Weng - 11.2005
|
|---|
| 36 | // ------------------------------------------------------------
|
|---|
| 37 |
|
|---|
| 38 | #include "GVFlashShowerParameterisation.hh"
|
|---|
| 39 | #include <cmath>
|
|---|
| 40 | #include "Randomize.hh"
|
|---|
| 41 | #include "G4ios.hh"
|
|---|
| 42 | #include "G4Material.hh"
|
|---|
| 43 | #include "Gamma.hh" // @@@@
|
|---|
| 44 | #include "G4MaterialTable.hh"
|
|---|
| 45 |
|
|---|
| 46 | GVFlashShowerParameterisation::GVFlashShowerParameterisation()
|
|---|
| 47 | : thePar(0)
|
|---|
| 48 | {
|
|---|
| 49 | }
|
|---|
| 50 |
|
|---|
| 51 | GVFlashShowerParameterisation::~GVFlashShowerParameterisation()
|
|---|
| 52 | {
|
|---|
| 53 | }
|
|---|
| 54 |
|
|---|
| 55 | G4double GVFlashShowerParameterisation::GetEffZ(const G4Material * mat )
|
|---|
| 56 | {
|
|---|
| 57 | // Returns Z or effective Z=sum(pi*Zi) (if compound/mixture)
|
|---|
| 58 | // of given material
|
|---|
| 59 | //
|
|---|
| 60 | G4double z = 0.;
|
|---|
| 61 | G4int nofElements = mat->GetNumberOfElements();
|
|---|
| 62 | if (nofElements > 1)
|
|---|
| 63 | {
|
|---|
| 64 | for (G4int i=0; i<nofElements; i++) {
|
|---|
| 65 | G4double zOfElement = mat->GetElement(i)->GetZ();
|
|---|
| 66 | G4double massFraction = mat->GetFractionVector()[i];
|
|---|
| 67 | // cout << mat->GetElement(i)->GetName()
|
|---|
| 68 | // <<" Z= "<<zOfElement << " , Fraction= "<<massFraction <<endl;
|
|---|
| 69 | z += zOfElement*massFraction;
|
|---|
| 70 | }
|
|---|
| 71 | }
|
|---|
| 72 | else {
|
|---|
| 73 | z = mat->GetZ();
|
|---|
| 74 | }
|
|---|
| 75 | return z;
|
|---|
| 76 | }
|
|---|
| 77 |
|
|---|
| 78 | G4double GVFlashShowerParameterisation::GetEffA (const G4Material * mat )
|
|---|
| 79 | {
|
|---|
| 80 | // Returns A or effective A=sum(pi*Ai) (if compound/mixture)
|
|---|
| 81 | // of given material
|
|---|
| 82 | //
|
|---|
| 83 | G4double a = 0.;
|
|---|
| 84 | G4int nofElements = mat->GetNumberOfElements();
|
|---|
| 85 | if (nofElements > 1) {
|
|---|
| 86 | for (G4int i=0; i<nofElements; i++) {
|
|---|
| 87 | G4double aOfElement = mat->GetElement(i)->GetA()/(g/mole);
|
|---|
| 88 | G4double massFraction = mat->GetFractionVector()[i];
|
|---|
| 89 | a += aOfElement*massFraction;
|
|---|
| 90 | }
|
|---|
| 91 | }
|
|---|
| 92 | else {
|
|---|
| 93 | a = mat->GetA()/(g/mole);
|
|---|
| 94 | }
|
|---|
| 95 | return a;
|
|---|
| 96 | }
|
|---|
| 97 |
|
|---|
| 98 | void GVFlashShowerParameterisation::PrintMaterial(const G4Material * mat)
|
|---|
| 99 | {
|
|---|
| 100 | G4cout<<"/********************************************/ " << G4endl;
|
|---|
| 101 | G4cout<<" - GVFlashShowerParameterisation::Material - " << G4endl;
|
|---|
| 102 | G4cout<<" Material : " << mat->GetName() << G4endl;
|
|---|
| 103 | G4cout<<" Z = "<< Z << G4endl;
|
|---|
| 104 | G4cout<<" A = "<< A << G4endl;
|
|---|
| 105 | G4cout<<" X0 = "<<X0/cm <<" cm" << G4endl;
|
|---|
| 106 | G4cout<<" Rm= "<<Rm/cm <<" cm" << G4endl;
|
|---|
| 107 | G4cout<<" Ec = "<<Ec/MeV << " MeV"<< G4endl;
|
|---|
| 108 | G4cout<<"/********************************************/ " << G4endl;
|
|---|
| 109 | }
|
|---|
| 110 |
|
|---|
| 111 | G4double GVFlashShowerParameterisation::GeneratePhi()
|
|---|
| 112 | {
|
|---|
| 113 | G4double Phi = twopi*G4UniformRand() ;
|
|---|
| 114 | return Phi;
|
|---|
| 115 | }
|
|---|
| 116 |
|
|---|
| 117 | G4double GVFlashShowerParameterisation::gam(G4double x, G4double a) const
|
|---|
| 118 | {
|
|---|
| 119 | static MyGamma theG;
|
|---|
| 120 | return theG.Gamma(a, x);
|
|---|
| 121 | }
|
|---|
