Geant4 Cross Reference |
1 // 1 // 2 // ******************************************* 2 // ******************************************************************** 3 // * License and Disclaimer << 3 // * DISCLAIMER * 4 // * 4 // * * 5 // * The Geant4 software is copyright of th << 5 // * The following disclaimer summarizes all the specific disclaimers * 6 // * the Geant4 Collaboration. It is provided << 6 // * of contributors to this software. The specific disclaimers,which * 7 // * conditions of the Geant4 Software License << 7 // * govern, are listed with their locations in: * 8 // * LICENSE and available at http://cern.ch/ << 8 // * http://cern.ch/geant4/license * 9 // * include a list of copyright holders. << 10 // * 9 // * * 11 // * Neither the authors of this software syst 10 // * Neither the authors of this software system, nor their employing * 12 // * institutes,nor the agencies providing fin 11 // * institutes,nor the agencies providing financial support for this * 13 // * work make any representation or warran 12 // * work make any representation or warranty, express or implied, * 14 // * regarding this software system or assum 13 // * regarding this software system or assume any liability for its * 15 // * use. Please see the license in the file << 14 // * use. * 16 // * for the full disclaimer and the limitatio << 17 // * 15 // * * 18 // * This code implementation is the result << 16 // * This code implementation is the intellectual property of the * 19 // * technical work of the GEANT4 collaboratio << 17 // * GEANT4 collaboration. * 20 // * By using, copying, modifying or distri << 18 // * By copying, distributing or modifying the Program (or any work * 21 // * any work based on the software) you ag << 19 // * based on the Program) you indicate your acceptance of this * 22 // * use in resulting scientific publicati << 20 // * statement, and all its terms. * 23 // * acceptance of all terms of the Geant4 Sof << 24 // ******************************************* 21 // ******************************************************************** 25 // 22 // 26 // 23 // 27 // ------------------------------------------- 24 // ------------------------------------------------------------------- 28 // GEANT 4 class implementation file 25 // GEANT 4 class implementation file 29 // 26 // 30 // CERN, Geneva, Switzerland 27 // CERN, Geneva, Switzerland 31 // 28 // 32 // File name: G4KaonPlusField.cc 29 // File name: G4KaonPlusField.cc 33 // 30 // 34 // Author: Alessandro Brunengo (Al 31 // Author: Alessandro Brunengo (Alessandro.Brunengo@ge.infn.it) 35 // 32 // 36 // Creation date: 5 June 2000 33 // Creation date: 5 June 2000 37 // ------------------------------------------- 34 // ------------------------------------------------------------------- 38 << 39 #include "G4KaonPlusField.hh" 35 #include "G4KaonPlusField.hh" 40 #include "G4PhysicalConstants.hh" << 36 #include "G4NucleiPropertiesTable.hh" 41 #include "G4SystemOfUnits.hh" << 42 #include "G4NucleiProperties.hh" << 43 #include "G4VNuclearDensity.hh" 37 #include "G4VNuclearDensity.hh" 44 #include "G4FermiMomentum.hh" 38 #include "G4FermiMomentum.hh" 45 #include "G4KaonPlus.hh" 39 #include "G4KaonPlus.hh" 46 #include "G4HadTmpUtil.hh" 40 #include "G4HadTmpUtil.hh" 47 #include "G4Pow.hh" << 48 41 49 G4KaonPlusField::G4KaonPlusField(G4V3DNucleus 42 G4KaonPlusField::G4KaonPlusField(G4V3DNucleus * nucleus, G4double coeff) 50 : G4VNuclearField(nucleus) 43 : G4VNuclearField(nucleus) 51 { 44 { 52 theCoeff = coeff; 45 theCoeff = coeff; 53 } 46 } 54 47 55 48 56 G4KaonPlusField::~G4KaonPlusField() 49 G4KaonPlusField::~G4KaonPlusField() 57 { } 50 { } 58 51 >> 52 >> 53 const G4KaonPlusField & G4KaonPlusField::operator=(const G4KaonPlusField &) >> 54 { >> 55 throw G4HadronicException(__FILE__, __LINE__, "G4KaonPlusField::operator= meant not to be accessible"); >> 56 return *this; >> 57 } >> 58 >> 59 >> 60 G4int G4KaonPlusField::operator==(const G4KaonPlusField &) const >> 61 { >> 62 throw G4HadronicException(__FILE__, __LINE__, "G4KaonPlusField::operator== meant not to be accessible"); >> 63 return 0; >> 64 } >> 65 >> 66 >> 67 G4int G4KaonPlusField::operator!=(const G4KaonPlusField &) const >> 68 { >> 69 throw G4HadronicException(__FILE__, __LINE__, "G4KaonPlusField::operator!= meant not to be accessible"); >> 70 return 1; >> 71 } >> 72 >> 73 >> 74 59 G4double G4KaonPlusField::GetField(const G4Thr 75 G4double G4KaonPlusField::GetField(const G4ThreeVector & aPosition) 60 { 76 { 61 // Field is 0 out of the nucleus! 77 // Field is 0 out of the nucleus! 62 if(aPosition.mag() >= radius) return 0.0; 78 if(aPosition.mag() >= radius) return 0.0; 63 79 64 G4double kaonMass = G4KaonPlus::KaonPlus()-> 80 G4double kaonMass = G4KaonPlus::KaonPlus()->GetPDGMass(); 65 81 66 G4int A = theNucleus->GetMassNumber(); << 82 G4double A = theNucleus->GetMassNumber(); 67 G4int Z = theNucleus->GetCharge(); << 83 G4double Z = theNucleus->GetCharge(); 68 G4double bindingEnergy = G4NucleiProperties: << 84 G4double bindingEnergy = G4NucleiPropertiesTable::GetBindingEnergy(G4lrint(Z), G4lrint(A)); 69 G4double nucleusMass = Z*proton_mass_c2+(A-Z 85 G4double nucleusMass = Z*proton_mass_c2+(A-Z)*neutron_mass_c2+bindingEnergy; 70 G4double reducedMass = kaonMass*nucleusMass/ 86 G4double reducedMass = kaonMass*nucleusMass/(kaonMass+nucleusMass); 71 87 72 G4double density = theNucleus->GetNuclearDen 88 G4double density = theNucleus->GetNuclearDensity()->GetDensity(aPosition); 73 89 74 return -2.*pi*hbarc*hbarc/reducedMass*(2.0)* 90 return -2.*pi*hbarc*hbarc/reducedMass*(2.0)*theCoeff*density+GetBarrier(); 75 } 91 } 76 92 77 G4double G4KaonPlusField::GetBarrier() 93 G4double G4KaonPlusField::GetBarrier() 78 { 94 { 79 G4int A = theNucleus->GetMassNumber(); << 95 G4double A = theNucleus->GetMassNumber(); 80 G4int Z = theNucleus->GetCharge(); << 96 G4double Z = theNucleus->GetCharge(); 81 G4double coulombBarrier = (1.44/1.14) * MeV << 97 G4double coulombBarrier = (1.44/1.14) * MeV * Z / (1.0 + pow(A,1./3.)); 82 return coulombBarrier; 98 return coulombBarrier; 83 } 99 } 84 100 85 101 86 102