Geant4 9.6.0
Toolkit for the simulation of the passage of particles through matter
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Public Member Functions | Protected Attributes | List of all members
G4DNAChampionElasticModel Class Reference

#include <G4DNAChampionElasticModel.hh>

+ Inheritance diagram for G4DNAChampionElasticModel:

Public Member Functions

 G4DNAChampionElasticModel (const G4ParticleDefinition *p=0, const G4String &nam="DNAChampionElasticModel")
 
virtual ~G4DNAChampionElasticModel ()
 
virtual void Initialise (const G4ParticleDefinition *, const G4DataVector &)
 
virtual G4double CrossSectionPerVolume (const G4Material *material, const G4ParticleDefinition *p, G4double ekin, G4double emin, G4double emax)
 
virtual void SampleSecondaries (std::vector< G4DynamicParticle * > *, const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmin, G4double maxEnergy)
 
void SetKillBelowThreshold (G4double threshold)
 
G4double GetKillBelowThreshold ()
 
- Public Member Functions inherited from G4VEmModel
 G4VEmModel (const G4String &nam)
 
virtual ~G4VEmModel ()
 
virtual void Initialise (const G4ParticleDefinition *, const G4DataVector &)=0
 
virtual void SampleSecondaries (std::vector< G4DynamicParticle * > *, const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double tmin=0.0, G4double tmax=DBL_MAX)=0
 
virtual G4double ComputeDEDXPerVolume (const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=DBL_MAX)
 
virtual G4double CrossSectionPerVolume (const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
virtual G4double ComputeCrossSectionPerAtom (const G4ParticleDefinition *, G4double kinEnergy, G4double Z, G4double A=0., G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
virtual G4double ChargeSquareRatio (const G4Track &)
 
virtual G4double GetChargeSquareRatio (const G4ParticleDefinition *, const G4Material *, G4double kineticEnergy)
 
virtual G4double GetParticleCharge (const G4ParticleDefinition *, const G4Material *, G4double kineticEnergy)
 
virtual void StartTracking (G4Track *)
 
virtual void CorrectionsAlongStep (const G4MaterialCutsCouple *, const G4DynamicParticle *, G4double &eloss, G4double &niel, G4double length)
 
virtual G4double Value (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy)
 
virtual G4double MinPrimaryEnergy (const G4Material *, const G4ParticleDefinition *)
 
virtual void SetupForMaterial (const G4ParticleDefinition *, const G4Material *, G4double kineticEnergy)
 
virtual void DefineForRegion (const G4Region *)
 
void InitialiseElementSelectors (const G4ParticleDefinition *, const G4DataVector &)
 
G4double ComputeDEDX (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=DBL_MAX)
 
G4double CrossSection (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
G4double ComputeMeanFreePath (const G4ParticleDefinition *, G4double kineticEnergy, const G4Material *, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
G4double ComputeCrossSectionPerAtom (const G4ParticleDefinition *, const G4Element *, G4double kinEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
G4int SelectIsotopeNumber (const G4Element *)
 
const G4Element * SelectRandomAtom (const G4MaterialCutsCouple *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
const G4Element * SelectRandomAtom (const G4Material *, const G4ParticleDefinition *, G4double kineticEnergy, G4double cutEnergy=0.0, G4double maxEnergy=DBL_MAX)
 
void SetParticleChange (G4VParticleChange *, G4VEmFluctuationModel *f=0)
 
void SetCrossSectionTable (G4PhysicsTable *)
 
G4PhysicsTable * GetCrossSectionTable ()
 
G4VEmFluctuationModel * GetModelOfFluctuations ()
 
G4VEmAngularDistribution * GetAngularDistribution ()
 
void SetAngularDistribution (G4VEmAngularDistribution *)
 
G4double HighEnergyLimit () const
 
G4double LowEnergyLimit () const
 
G4double HighEnergyActivationLimit () const
 
G4double LowEnergyActivationLimit () const
 
G4double PolarAngleLimit () const
 
G4double SecondaryThreshold () const
 
G4bool LPMFlag () const
 
G4bool DeexcitationFlag () const
 
G4bool ForceBuildTableFlag () const
 
void SetHighEnergyLimit (G4double)
 
void SetLowEnergyLimit (G4double)
 
void SetActivationHighEnergyLimit (G4double)
 
void SetActivationLowEnergyLimit (G4double)
 
G4bool IsActive (G4double kinEnergy)
 
void SetPolarAngleLimit (G4double)
 
void SetSecondaryThreshold (G4double)
 
void SetLPMFlag (G4bool val)
 
void SetDeexcitationFlag (G4bool val)
 
void ForceBuildTable (G4bool val)
 
G4double MaxSecondaryKinEnergy (const G4DynamicParticle *dynParticle)
 
const G4String & GetName () const
 
void SetCurrentCouple (const G4MaterialCutsCouple *)
 
const G4Element * GetCurrentElement () const
 

Protected Attributes

G4ParticleChangeForGamma * fParticleChangeForGamma
 
- Protected Attributes inherited from G4VEmModel
G4VParticleChange * pParticleChange
 
G4PhysicsTable * xSectionTable
 
const std::vector< G4double > * theDensityFactor
 
const std::vector< G4int > * theDensityIdx
 

Additional Inherited Members

- Protected Member Functions inherited from G4VEmModel
G4ParticleChangeForLoss * GetParticleChangeForLoss ()
 
G4ParticleChangeForGamma * GetParticleChangeForGamma ()
 
virtual G4double MaxSecondaryEnergy (const G4ParticleDefinition *, G4double kineticEnergy)
 
const G4MaterialCutsCouple * CurrentCouple () const
 
void SetCurrentElement (const G4Element *)
 

Detailed Description

Definition at line 41 of file G4DNAChampionElasticModel.hh.

Constructor & Destructor Documentation

◆ G4DNAChampionElasticModel()

G4DNAChampionElasticModel::G4DNAChampionElasticModel ( const G4ParticleDefinition *  p = 0,
const G4String &  nam = "DNAChampionElasticModel" 
)

Definition at line 40 of file G4DNAChampionElasticModel.cc.

42:G4VEmModel(nam),isInitialised(false)
43{
44// nistwater = G4NistManager::Instance()->FindOrBuildMaterial("G4_WATER");
45
46 killBelowEnergy = 7.4*eV;
47 lowEnergyLimit = 0 * eV;
48 highEnergyLimit = 1. * MeV;
49 SetLowEnergyLimit(lowEnergyLimit);
50 SetHighEnergyLimit(highEnergyLimit);
51
52 verboseLevel= 0;
53 // Verbosity scale:
54 // 0 = nothing
55 // 1 = warning for energy non-conservation
56 // 2 = details of energy budget
57 // 3 = calculation of cross sections, file openings, sampling of atoms
58 // 4 = entering in methods
59
60 if( verboseLevel>0 )
61 {
62 G4cout << "Champion Elastic model is constructed " << G4endl
63 << "Energy range: "
64 << lowEnergyLimit / eV << " eV - "
65 << highEnergyLimit / MeV << " MeV"
66 << G4endl;
67 }
68 fParticleChangeForGamma = 0;
69 fpMolWaterDensity = 0;
70}
G4endl
#define G4endl
Definition: G4ios.hh:52
G4cout
G4DLLIMPORT std::ostream G4cout
G4DNAChampionElasticModel::fParticleChangeForGamma
G4ParticleChangeForGamma * fParticleChangeForGamma
Definition: G4DNAChampionElasticModel.hh:70
G4VEmModel::SetHighEnergyLimit
void SetHighEnergyLimit(G4double)
Definition: G4VEmModel.hh:585
G4VEmModel::SetLowEnergyLimit
void SetLowEnergyLimit(G4double)
Definition: G4VEmModel.hh:592

◆ ~G4DNAChampionElasticModel()

G4DNAChampionElasticModel::~G4DNAChampionElasticModel ( )
virtual

Definition at line 74 of file G4DNAChampionElasticModel.cc.

75{
76 // For total cross section
77
78 std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos;
79 for (pos = tableData.begin(); pos != tableData.end(); ++pos)
80 {
81 G4DNACrossSectionDataSet* table = pos->second;
82 delete table;
83 }
84
85 // For final state
86
87 eVecm.clear();
88
89}

Member Function Documentation

◆ CrossSectionPerVolume()

G4double G4DNAChampionElasticModel::CrossSectionPerVolume ( const G4Material *  material,
const G4ParticleDefinition *  p,
G4double  ekin,
G4double  emin,
G4double  emax 
)
virtual

Reimplemented from G4VEmModel.

Definition at line 203 of file G4DNAChampionElasticModel.cc.

208{
209 if (verboseLevel > 3)
210 G4cout << "Calling CrossSectionPerVolume() of G4DNAChampionElasticModel" << G4endl;
211
212 // Calculate total cross section for model
213
214 G4double sigma=0;
215
216 G4double waterDensity = (*fpMolWaterDensity)[material->GetIndex()];
217
218 if(waterDensity!= 0.0)
219// if (material == nistwater || material->GetBaseMaterial() == nistwater)
220 {
221 const G4String& particleName = p->GetParticleName();
222
223 if (ekin < highEnergyLimit)
224 {
225 //SI : XS must not be zero otherwise sampling of secondaries method ignored
226 if (ekin < killBelowEnergy) return DBL_MAX;
227 //
228
229 std::map< G4String,G4DNACrossSectionDataSet*,std::less<G4String> >::iterator pos;
230 pos = tableData.find(particleName);
231
232 if (pos != tableData.end())
233 {
234 G4DNACrossSectionDataSet* table = pos->second;
235 if (table != 0)
236 {
237 sigma = table->FindValue(ekin);
238 }
239 }
240 else
241 {
242 G4Exception("G4DNAChampionElasticModel::ComputeCrossSectionPerVolume","em0002",
243 FatalException,"Model not applicable to particle type.");
244 }
245 }
246
247 if (verboseLevel > 2)
248 {
249 G4cout << "__________________________________" << G4endl;
250 G4cout << "°°° G4DNAChampionElasticModel - XS INFO START" << G4endl;
251 G4cout << "°°° Kinetic energy(eV)=" << ekin/eV << " particle : " << particleName << G4endl;
252 G4cout << "°°° Cross section per water molecule (cm^2)=" << sigma/cm/cm << G4endl;
253 G4cout << "°°° Cross section per water molecule (cm^-1)=" << sigma*waterDensity/(1./cm) << G4endl;
254 // G4cout << " - Cross section per water molecule (cm^-1)=" << sigma*material->GetAtomicNumDensityVector()[1]/(1./cm) << G4endl;
255 G4cout << "°°° G4DNAChampionElasticModel - XS INFO END" << G4endl;
256 }
257
258 }
259
260 return sigma*waterDensity;
261// return sigma*material->GetAtomicNumDensityVector()[1];
262}
FatalException
@ FatalException
Definition: G4ExceptionSeverity.hh:60
G4double
double G4double
Definition: G4Types.hh:64
G4DNACrossSectionDataSet::FindValue
virtual G4double FindValue(G4double e, G4int componentId=0) const
Definition: G4DNACrossSectionDataSet.cc:500
G4Material::GetIndex
size_t GetIndex() const
Definition: G4Material.hh:261
G4ParticleDefinition::GetParticleName
const G4String & GetParticleName() const
Definition: G4ParticleDefinition.hh:115
G4Exception
void G4Exception(const char *originOfException, const char *exceptionCode, G4ExceptionSeverity severity, const char *comments)
Definition: G4Exception.cc:41
DBL_MAX
#define DBL_MAX
Definition: templates.hh:83

◆ GetKillBelowThreshold()

G4double G4DNAChampionElasticModel::GetKillBelowThreshold ( )
inline

Definition at line 66 of file G4DNAChampionElasticModel.hh.

66{ return killBelowEnergy; }

◆ Initialise()

void G4DNAChampionElasticModel::Initialise ( const G4ParticleDefinition *  ,
const G4DataVector &   
)
virtual

Implements G4VEmModel.

Definition at line 93 of file G4DNAChampionElasticModel.cc.

95{
96
97 if (verboseLevel > 3)
98 G4cout << "Calling G4DNAChampionElasticModel::Initialise()" << G4endl;
99
100 // Energy limits
101
102 if (LowEnergyLimit() < lowEnergyLimit)
103 {
104 G4cout << "G4DNAChampionElasticModel: low energy limit increased from " <<
105 LowEnergyLimit()/eV << " eV to " << lowEnergyLimit/eV << " eV" << G4endl;
106 SetLowEnergyLimit(lowEnergyLimit);
107 }
108
109 if (HighEnergyLimit() > highEnergyLimit)
110 {
111 G4cout << "G4DNAChampionElasticModel: high energy limit decreased from " <<
112 HighEnergyLimit()/MeV << " MeV to " << highEnergyLimit/MeV << " MeV" << G4endl;
113 SetHighEnergyLimit(highEnergyLimit);
114 }
115
116 // Reading of data files
117
118 G4double scaleFactor = 1e-16*cm*cm;
119
120 G4String fileElectron("dna/sigma_elastic_e_champion");
121
122 G4ParticleDefinition* electronDef = G4Electron::ElectronDefinition();
123 G4String electron;
124
125 // *** ELECTRON
126
127 // For total cross section
128
129 electron = electronDef->GetParticleName();
130
131 tableFile[electron] = fileElectron;
132
133 G4DNACrossSectionDataSet* tableE = new G4DNACrossSectionDataSet(new G4LogLogInterpolation, eV,scaleFactor );
134 tableE->LoadData(fileElectron);
135 tableData[electron] = tableE;
136
137 // For final state
138
139 char *path = getenv("G4LEDATA");
140
141 if (!path)
142 {
143 G4Exception("G4ChampionElasticModel::Initialise","em0006",
144 FatalException,"G4LEDATA environment variable not set.");
145 return;
146 }
147
148 std::ostringstream eFullFileName;
149 eFullFileName << path << "/dna/sigmadiff_cumulated_elastic_e_champion.dat";
150 std::ifstream eDiffCrossSection(eFullFileName.str().c_str());
151
152 if (!eDiffCrossSection)
153 G4Exception("G4DNAChampionElasticModel::Initialise","em0003",
154 FatalException,"Missing data file:/dna/sigmadiff_cumulated_elastic_e_champion.dat");
155
156 eTdummyVec.push_back(0.);
157
158 while(!eDiffCrossSection.eof())
159 {
160 double tDummy;
161 double eDummy;
162 eDiffCrossSection>>tDummy>>eDummy;
163
164 // SI : mandatory eVecm initialization
165
166 if (tDummy != eTdummyVec.back())
167 {
168 eTdummyVec.push_back(tDummy);
169 eVecm[tDummy].push_back(0.);
170 }
171
172 eDiffCrossSection>>eDiffCrossSectionData[tDummy][eDummy];
173
174 if (eDummy != eVecm[tDummy].back()) eVecm[tDummy].push_back(eDummy);
175
176 }
177
178 // End final state
179
180 if (verboseLevel > 2)
181 G4cout << "Loaded cross section files for Champion Elastic model" << G4endl;
182
183 if( verboseLevel>0 )
184 {
185 G4cout << "Champion Elastic model is initialized " << G4endl
186 << "Energy range: "
187 << LowEnergyLimit() / eV << " eV - "
188 << HighEnergyLimit() / MeV << " MeV"
189 << G4endl;
190 }
191
192 // Initialize water density pointer
193 fpMolWaterDensity = G4DNAMolecularMaterial::Instance()->GetNumMolPerVolTableFor(G4Material::GetMaterial("G4_WATER"));
194
195 if (isInitialised) { return; }
196 fParticleChangeForGamma = GetParticleChangeForGamma();
197 isInitialised = true;
198
199}
G4DNACrossSectionDataSet::LoadData
virtual G4bool LoadData(const G4String &argFileName)
Definition: G4DNACrossSectionDataSet.cc:84
G4DNAMolecularMaterial::Instance
static G4DNAMolecularMaterial * Instance()
Definition: G4DNAMolecularMaterial.cc:64
G4DNAMolecularMaterial::GetNumMolPerVolTableFor
const std::vector< double > * GetNumMolPerVolTableFor(const G4Material *) const
Definition: G4DNAMolecularMaterial.cc:367
G4Electron::ElectronDefinition
static G4Electron * ElectronDefinition()
Definition: G4Electron.cc:89
G4Material::GetMaterial
static G4Material * GetMaterial(const G4String &name, G4bool warning=true)
Definition: G4Material.cc:576
G4VEmModel::GetParticleChangeForGamma
G4ParticleChangeForGamma * GetParticleChangeForGamma()
Definition: G4VEmModel.cc:109
G4VEmModel::LowEnergyLimit
G4double LowEnergyLimit() const
Definition: G4VEmModel.hh:529
G4VEmModel::HighEnergyLimit
G4double HighEnergyLimit() const
Definition: G4VEmModel.hh:522

◆ SampleSecondaries()

void G4DNAChampionElasticModel::SampleSecondaries ( std::vector< G4DynamicParticle * > *  ,
const G4MaterialCutsCouple *  ,
const G4DynamicParticle *  aDynamicElectron,
G4double  tmin,
G4double  maxEnergy 
)
virtual

Implements G4VEmModel.

Definition at line 266 of file G4DNAChampionElasticModel.cc.

271{
272
273 if (verboseLevel > 3)
274 G4cout << "Calling SampleSecondaries() of G4DNAChampionElasticModel" << G4endl;
275
276 G4double electronEnergy0 = aDynamicElectron->GetKineticEnergy();
277
278 if (electronEnergy0 < killBelowEnergy)
279 {
280 fParticleChangeForGamma->SetProposedKineticEnergy(0.);
281 fParticleChangeForGamma->ProposeTrackStatus(fStopAndKill);
282 fParticleChangeForGamma->ProposeLocalEnergyDeposit(electronEnergy0);
283 return ;
284 }
285
286 if (electronEnergy0>= killBelowEnergy && electronEnergy0 < highEnergyLimit)
287 {
288
289 G4double cosTheta = RandomizeCosTheta(electronEnergy0);
290
291 G4double phi = 2. * pi * G4UniformRand();
292
293 G4ThreeVector zVers = aDynamicElectron->GetMomentumDirection();
294 G4ThreeVector xVers = zVers.orthogonal();
295 G4ThreeVector yVers = zVers.cross(xVers);
296
297 G4double xDir = std::sqrt(1. - cosTheta*cosTheta);
298 G4double yDir = xDir;
299 xDir *= std::cos(phi);
300 yDir *= std::sin(phi);
301
302 G4ThreeVector zPrimeVers((xDir*xVers + yDir*yVers + cosTheta*zVers));
303
304 fParticleChangeForGamma->ProposeMomentumDirection(zPrimeVers.unit()) ;
305
306 fParticleChangeForGamma->SetProposedKineticEnergy(electronEnergy0);
307 }
308
309}
fStopAndKill
@ fStopAndKill
Definition: G4TrackStatus.hh:56
G4UniformRand
#define G4UniformRand()
Definition: Randomize.hh:53
CLHEP::Hep3Vector::orthogonal
Hep3Vector orthogonal() const
CLHEP::Hep3Vector::cross
Hep3Vector cross(const Hep3Vector &) const
G4DynamicParticle::GetMomentumDirection
const G4ThreeVector & GetMomentumDirection() const
G4DynamicParticle::GetKineticEnergy
G4double GetKineticEnergy() const
G4ParticleChangeForGamma::SetProposedKineticEnergy
void SetProposedKineticEnergy(G4double proposedKinEnergy)
Definition: G4ParticleChangeForGamma.hh:129
G4ParticleChangeForGamma::ProposeMomentumDirection
void ProposeMomentumDirection(G4double Px, G4double Py, G4double Pz)
Definition: G4ParticleChangeForGamma.hh:147
G4VParticleChange::ProposeTrackStatus
void ProposeTrackStatus(G4TrackStatus status)
G4VParticleChange::ProposeLocalEnergyDeposit
void ProposeLocalEnergyDeposit(G4double anEnergyPart)
G4INCL::Math::pi
const G4double pi
Definition: G4INCLGlobals.hh:70

◆ SetKillBelowThreshold()

void G4DNAChampionElasticModel::SetKillBelowThreshold ( G4double  threshold)
inline

Definition at line 133 of file G4DNAChampionElasticModel.hh.

134{
135
136// SI - commented on 19/06/2013
137/*
138 killBelowEnergy = threshold;
139
140 if (threshold < 1*eV)
141 G4Exception ("*** WARNING : the G4DNAChampionElasticModel class is not validated below 1 eV !","",JustWarning,"") ;
142
143 if (threshold < 0.025*eV) threshold = 0.025*eV;
144*/
145
146 G4Exception ("*** WARNING : G4DNAChampionElasticModel::SetKillBelowThreshold INACTIVE for now","",JustWarning,"") ;
147
148}
JustWarning
@ JustWarning
Definition: G4ExceptionSeverity.hh:64

Referenced by G4EmDNAPhysicsChemistry::ConstructProcess().

Member Data Documentation

◆ fParticleChangeForGamma

G4ParticleChangeForGamma* G4DNAChampionElasticModel::fParticleChangeForGamma
protected

Definition at line 70 of file G4DNAChampionElasticModel.hh.

Referenced by G4DNAChampionElasticModel(), Initialise(), and SampleSecondaries().

The documentation for this class was generated from the following files: