Import Geant4 8.1.0 source tree
This commit is contained in:
Gabriele Cosmo
@@ -1,27 +1,30 @@
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//
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// ********************************************************************
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// * DISCLAIMER *
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// * License and Disclaimer *
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// * *
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// * The following disclaimer summarizes all the specific disclaimers *
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// * of contributors to this software. The specific disclaimers,which *
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// * govern, are listed with their locations in: *
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// * http://cern.ch/geant4/license *
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// * The Geant4 software is copyright of the Copyright Holders of *
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// * the Geant4 Collaboration. It is provided under the terms and *
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// * conditions of the Geant4 Software License, included in the file *
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// * LICENSE and available at http://cern.ch/geant4/license . These *
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// * include a list of copyright holders. *
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// * *
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// * Neither the authors of this software system, nor their employing *
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// * institutes,nor the agencies providing financial support for this *
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// * work make any representation or warranty, express or implied, *
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// * regarding this software system or assume any liability for its *
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// * use. *
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// * use. Please see the license in the file LICENSE and URL above *
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// * for the full disclaimer and the limitation of liability. *
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// * *
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// * This code implementation is the intellectual property of the *
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// * GEANT4 collaboration. *
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// * By copying, distributing or modifying the Program (or any work *
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// * based on the Program) you indicate your acceptance of this *
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// * statement, and all its terms. *
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// * This code implementation is the result of the scientific and *
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// * technical work of the GEANT4 collaboration. *
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// * By using, copying, modifying or distributing the software (or *
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// * any work based on the software) you agree to acknowledge its *
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// * use in resulting scientific publications, and indicate your *
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// * acceptance of all terms of the Geant4 Software license. *
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// ********************************************************************
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//
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// $Id: G4BetheBlochModel.cc,v 1.7 2005/08/18 15:05:13 vnivanch Exp $
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// GEANT4 tag $Name: geant4-08-00 $
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// $Id: G4BetheBlochModel.cc,v 1.11 2006/06/29 19:52:38 gunter Exp $
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// GEANT4 tag $Name: geant4-08-01 $
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//
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// -------------------------------------------------------------------
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//
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@@ -42,13 +45,16 @@
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// 13-02-03 Add name (V.Ivanchenko)
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// 24-03-05 Add G4EmCorrections (V.Ivanchenko)
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// 11-04-05 Major optimisation of internal interfaces (V.Ivantchenko)
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// 11-02-06 ComputeCrossSectionPerElectron, ComputeCrossSectionPerAtom (mma)
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// 12-02-06 move G4LossTableManager::Instance()->EmCorrections()
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// in constructor (mma)
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//
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// -------------------------------------------------------------------
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//
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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#include "G4BetheBlochModel.hh"
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#include "Randomize.hh"
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@@ -57,13 +63,15 @@
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#include "G4EmCorrections.hh"
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#include "G4ParticleChangeForLoss.hh"
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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using namespace std;
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G4BetheBlochModel::G4BetheBlochModel(const G4ParticleDefinition* p, const G4String& nam)
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G4BetheBlochModel::G4BetheBlochModel(const G4ParticleDefinition* p,
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const G4String& nam)
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: G4VEmModel(nam),
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particle(0),
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tlimit(DBL_MAX),
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twoln10(2.0*log(10.0)),
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bg2lim(0.0169),
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taulim(8.4146e-3),
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@@ -71,14 +79,15 @@ G4BetheBlochModel::G4BetheBlochModel(const G4ParticleDefinition* p, const G4Stri
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{
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if(p) SetParticle(p);
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theElectron = G4Electron::Electron();
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corr = G4LossTableManager::Instance()->EmCorrections();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4BetheBlochModel::~G4BetheBlochModel()
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{}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4double G4BetheBlochModel::MinEnergyCut(const G4ParticleDefinition*,
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const G4MaterialCutsCouple* couple)
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@@ -86,25 +95,84 @@ G4double G4BetheBlochModel::MinEnergyCut(const G4ParticleDefinition*,
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return couple->GetMaterial()->GetIonisation()->GetMeanExcitationEnergy();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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void G4BetheBlochModel::Initialise(const G4ParticleDefinition* p,
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const G4DataVector&)
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{
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if(!particle) SetParticle(p);
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if (!particle) SetParticle(p);
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G4String pname = particle->GetParticleName();
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if(particle->GetParticleType() == "nucleus" &&
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if (particle->GetParticleType() == "nucleus" &&
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pname != "deuteron" && pname != "triton") isIon = true;
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if(pParticleChange)
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fParticleChange = reinterpret_cast<G4ParticleChangeForLoss*>(pParticleChange);
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if (pParticleChange)
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fParticleChange = reinterpret_cast<G4ParticleChangeForLoss*>
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(pParticleChange);
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else
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fParticleChange = new G4ParticleChangeForLoss();
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corr = G4LossTableManager::Instance()->EmCorrections();
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4double G4BetheBlochModel::ComputeCrossSectionPerElectron(
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const G4ParticleDefinition* p,
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G4double kineticEnergy,
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G4double cutEnergy,
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G4double maxKinEnergy)
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{
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G4double cross = 0.0;
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G4double tmax = MaxSecondaryEnergy(p, kineticEnergy);
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G4double maxEnergy = min(tmax,maxKinEnergy);
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if(cutEnergy < maxEnergy) {
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G4double totEnergy = kineticEnergy + mass;
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G4double energy2 = totEnergy*totEnergy;
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G4double beta2 = kineticEnergy*(kineticEnergy + 2.0*mass)/energy2;
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cross = 1.0/cutEnergy - 1.0/maxEnergy - beta2*log(maxEnergy/cutEnergy)/tmax;
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// +term for spin=1/2 particle
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if( 0.5 == spin ) cross += 0.5*(maxEnergy - cutEnergy)/energy2;
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cross *= twopi_mc2_rcl2*chargeSquare/beta2;
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}
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// G4cout << "BB: e= " << kineticEnergy << " tmin= " << cutEnergy
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// << " tmax= " << tmax << " cross= " << cross << G4endl;
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return cross;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4double G4BetheBlochModel::ComputeCrossSectionPerAtom(
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const G4ParticleDefinition* p,
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G4double kineticEnergy,
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G4double Z, G4double,
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G4double cutEnergy,
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G4double maxEnergy)
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{
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G4double cross = Z*ComputeCrossSectionPerElectron
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(p,kineticEnergy,cutEnergy,maxEnergy);
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return cross;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4double G4BetheBlochModel::CrossSectionPerVolume(
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const G4Material* material,
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const G4ParticleDefinition* p,
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G4double kineticEnergy,
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G4double cutEnergy,
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G4double maxEnergy)
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{
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G4double eDensity = material->GetElectronDensity();
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G4double cross = eDensity*ComputeCrossSectionPerElectron
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(p,kineticEnergy,cutEnergy,maxEnergy);
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return cross;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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G4double G4BetheBlochModel::ComputeDEDXPerVolume(const G4Material* material,
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const G4ParticleDefinition* p,
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@@ -159,36 +227,7 @@ G4double G4BetheBlochModel::ComputeDEDXPerVolume(const G4Material* material,
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return dedx;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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G4double G4BetheBlochModel::CrossSectionPerVolume(const G4Material* material,
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const G4ParticleDefinition* p,
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G4double kineticEnergy,
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G4double cutEnergy,
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G4double maxKinEnergy)
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{
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G4double cross = 0.0;
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G4double tmax = MaxSecondaryEnergy(p, kineticEnergy);
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G4double maxEnergy = min(tmax,maxKinEnergy);
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if(cutEnergy < maxEnergy) {
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G4double totEnergy = kineticEnergy + mass;
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G4double energy2 = totEnergy*totEnergy;
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G4double beta2 = kineticEnergy*(kineticEnergy + 2.0*mass)/energy2;
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cross = 1.0/cutEnergy - 1.0/maxEnergy - beta2*log(maxEnergy/cutEnergy)/tmax;
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// +term for spin=1/2 particle
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if( 0.5 == spin ) cross += 0.5*(maxEnergy - cutEnergy)/energy2;
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cross *= twopi_mc2_rcl2*chargeSquare*material->GetElectronDensity()/beta2;
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}
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// G4cout << "BB: e= " << kineticEnergy << " tmin= " << cutEnergy << " tmax= " << tmax
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// << " cross= " << cross << G4endl;
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return cross;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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vector<G4DynamicParticle*>* G4BetheBlochModel::SampleSecondaries(
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const G4MaterialCutsCouple*,
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@@ -211,8 +250,8 @@ vector<G4DynamicParticle*>* G4BetheBlochModel::SampleSecondaries(
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// sampling follows ...
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do {
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G4double q = G4UniformRand();
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deltaKinEnergy = minKinEnergy*maxKinEnergy/(minKinEnergy*(1.0 - q) + maxKinEnergy*q);
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deltaKinEnergy = minKinEnergy*maxKinEnergy
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/(minKinEnergy*(1.0 - q) + maxKinEnergy*q);
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f = 1.0 - beta2*deltaKinEnergy/tmax;
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if( 0.5 == spin ) f += 0.5*deltaKinEnergy*deltaKinEnergy/etot2;
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@@ -236,13 +275,13 @@ vector<G4DynamicParticle*>* G4BetheBlochModel::SampleSecondaries(
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G4double phi = twopi * G4UniformRand() ;
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G4ThreeVector deltaDirection(sint*cos(phi),sint*sin(phi), cost) ;
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G4ThreeVector deltaDirection(sint*cos(phi),sint*sin(phi), cost);
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G4ThreeVector direction = dp->GetMomentumDirection();
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deltaDirection.rotateUz(direction);
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// create G4DynamicParticle object for delta ray
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G4DynamicParticle* delta = new G4DynamicParticle(theElectron,
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deltaDirection,deltaKinEnergy);
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deltaDirection,deltaKinEnergy);
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vector<G4DynamicParticle*>* vdp = new vector<G4DynamicParticle*>;
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vdp->push_back(delta);
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@@ -258,4 +297,4 @@ vector<G4DynamicParticle*>* G4BetheBlochModel::SampleSecondaries(
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return vdp;
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}
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
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//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo......
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