Geant4  10.03.p01
 All Classes Namespaces Files Functions Variables Typedefs Enumerations Enumerator Friends Macros Pages
G4BGGNucleonInelasticXS Class Reference

#include <G4BGGNucleonInelasticXS.hh>

Inheritance diagram for G4BGGNucleonInelasticXS:
Collaboration diagram for G4BGGNucleonInelasticXS:

Public Member Functions

 G4BGGNucleonInelasticXS (const G4ParticleDefinition *)
 
virtual ~G4BGGNucleonInelasticXS ()
 
virtual G4bool IsElementApplicable (const G4DynamicParticle *, G4int Z, const G4Material *mat=0)
 
virtual G4bool IsIsoApplicable (const G4DynamicParticle *, G4int Z, G4int A, const G4Element *elm=0, const G4Material *mat=0)
 
virtual G4double GetElementCrossSection (const G4DynamicParticle *, G4int Z, const G4Material *mat=0)
 
virtual G4double GetIsoCrossSection (const G4DynamicParticle *, G4int Z, G4int A, const G4Isotope *iso=0, const G4Element *elm=0, const G4Material *mat=0)
 
virtual void BuildPhysicsTable (const G4ParticleDefinition &)
 
virtual void CrossSectionDescription (std::ostream &) const
 
void SetLowestCrossSection (G4double val)
 
- Public Member Functions inherited from G4VCrossSectionDataSet
 G4VCrossSectionDataSet (const G4String &nam="")
 
virtual ~G4VCrossSectionDataSet ()
 
G4double GetCrossSection (const G4DynamicParticle *, const G4Element *, const G4Material *mat=0)
 
G4double ComputeCrossSection (const G4DynamicParticle *, const G4Element *, const G4Material *mat=0)
 
virtual G4Isotope * SelectIsotope (const G4Element *, G4double kinEnergy)
 
virtual void DumpPhysicsTable (const G4ParticleDefinition &)
 
virtual G4int GetVerboseLevel () const
 
virtual void SetVerboseLevel (G4int value)
 
G4double GetMinKinEnergy () const
 
void SetMinKinEnergy (G4double value)
 
G4double GetMaxKinEnergy () const
 
void SetMaxKinEnergy (G4double value)
 
const G4String & GetName () const
 

Additional Inherited Members

- Protected Member Functions inherited from G4VCrossSectionDataSet
void SetName (const G4String &)
 
- Protected Attributes inherited from G4VCrossSectionDataSet
G4int verboseLevel
 

Detailed Description

Definition at line 64 of file G4BGGNucleonInelasticXS.hh.

Constructor & Destructor Documentation

G4BGGNucleonInelasticXS::G4BGGNucleonInelasticXS ( const G4ParticleDefinition *  p)

Definition at line 65 of file G4BGGNucleonInelasticXS.cc.

66  : G4VCrossSectionDataSet("Barashenkov-Glauber")
67 {
68  verboseLevel = 0;
69  fGlauberEnergy = 91.*GeV;
70  fLowEnergy = 14.*MeV;
71  fHighEnergy = 5.*GeV;
72  fSAIDHighEnergyLimit = 1.3*GeV;
73  fLowestXSection = millibarn;
74  for (G4int i = 0; i < 93; ++i) {
75  theGlauberFac[i] = 0.0;
76  theCoulombFac[i] = 0.0;
77  theA[i] = 1;
78  }
79  fNucleon = 0;
80  fGlauber = 0;
81  fHadron = 0;
82  fSAID = 0;
83 
84  particle = p;
85  theProton= G4Proton::Proton();
86  isProton = false;
87  isInitialized = false;
88 }
G4VCrossSectionDataSet(const G4String &nam="")
const char * p
Definition: xmltok.h:285
int G4int
Definition: G4Types.hh:78
static G4Proton * Proton()
Definition: G4Proton.cc:93
static constexpr double GeV
Definition: G4SIunits.hh:217
static constexpr double MeV
Definition: G4SIunits.hh:214
G4bool isInitialized()
static constexpr double millibarn
Definition: G4SIunits.hh:106

Here is the call graph for this function:

G4BGGNucleonInelasticXS::~G4BGGNucleonInelasticXS ( )
virtual

Definition at line 92 of file G4BGGNucleonInelasticXS.cc.

93 {
94  delete fSAID;
95  delete fHadron;
96  // The cross section registry will delete fNucleon
97  delete fGlauber;
98 }

Member Function Documentation

void G4BGGNucleonInelasticXS::BuildPhysicsTable ( const G4ParticleDefinition &  p)
virtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 201 of file G4BGGNucleonInelasticXS.cc.

202 {
203  if(&p == theProton || &p == G4Neutron::Neutron()) {
204  particle = &p;
205  } else {
206  G4cout << "### G4BGGNucleonInelasticXS WARNING: is not applicable to "
207  << p.GetParticleName()
208  << G4endl;
209  throw G4HadronicException(__FILE__, __LINE__,
210  "G4BGGNucleonElasticXS::BuildPhysicsTable is used for wrong particle");
211  return;
212  }
213 
214  if(isInitialized) { return; }
215  isInitialized = true;
216 
218  fGlauber = new G4ComponentGGHadronNucleusXsc();
219  fHadron = new G4HadronNucleonXsc();
220  fSAID = new G4ComponentSAIDTotalXS();
221 
222  fNucleon->BuildPhysicsTable(*particle);
223  fGlauber->BuildPhysicsTable(*particle);
224 
225  if(particle == theProton) {
226  isProton = true;
227  fSAIDHighEnergyLimit = 2*GeV;
228  fHighEnergy = 2*GeV;
229  }
230 
231  G4ThreeVector mom(0.0,0.0,1.0);
232  G4DynamicParticle dp(particle, mom, fGlauberEnergy);
233 
235  G4int A;
236 
237  G4double csup, csdn;
238 
239  if(verboseLevel > 0) {
240  G4cout << "### G4BGGNucleonInelasticXS::Initialise for "
241  << particle->GetParticleName() << G4endl;
242  }
243  for(G4int iz=2; iz<93; iz++) {
244 
245  A = G4lrint(nist->GetAtomicMassAmu(iz));
246  theA[iz] = A;
247 
248  csup = fGlauber->GetInelasticGlauberGribov(&dp, iz, A);
249  csdn = fNucleon->GetElementCrossSection(&dp, iz);
250 
251  theGlauberFac[iz] = csdn/csup;
252  if(verboseLevel > 0) {
253  G4cout << "Z= " << iz << " A= " << A
254  << " GlauberFactor= " << theGlauberFac[iz] << G4endl;
255  }
256  }
257  //const G4Material* mat = 0;
258 
259  dp.SetKineticEnergy(fSAIDHighEnergyLimit);
260  fHadron->GetHadronNucleonXscNS(&dp, theProton);
261  theCoulombFac[0] = fSAIDHighEnergyLimit*
262  (fSAID->GetInelasticIsotopeCrossSection(particle,fSAIDHighEnergyLimit,1,1)
263  /fHadron->GetInelasticHadronNucleonXsc() - 1);
264 
265  //G4cout << "Z=1 E(GeV)= " << fSAIDHighEnergyLimit/GeV
266  // << " xsNS(b)= " << fHadron->GetInelasticHadronNucleonXsc()/barn;
267  fHadron->GetHadronNucleonXscPDG(&dp, theProton);
268  //G4cout << " xsPDG(b)= " << fHadron->GetInelasticHadronNucleonXsc()/barn;
269  //G4cout << " xsSAID(b)= " << fSAID->GetInelasticIsotopeCrossSection(particle,fSAIDHighEnergyLimit,1,1)/barn << G4endl;
270 
271  dp.SetKineticEnergy(fHighEnergy);
272  fHadron->GetHadronNucleonXscPDG(&dp, theProton);
273  G4double x = fHadron->GetInelasticHadronNucleonXsc();
274 
275  //G4cout << "Z=1 E(GeV)= " << fHighEnergy/GeV
276  // << " xsPDG(b)= " << fHadron->GetInelasticHadronNucleonXsc()/barn;
277 
278  fHadron->GetHadronNucleonXscNS(&dp, theProton);
279  theCoulombFac[1] = fHighEnergy*((theCoulombFac[0]/fHighEnergy + 1)
280  *fHadron->GetInelasticHadronNucleonXsc()/x - 1);
281 
282  fHadron->GetHadronNucleonXscNS(&dp, theProton);
283  //G4cout <<" xsNS(b)= "<<fHadron->GetInelasticHadronNucleonXsc()/barn<<G4endl;
284 
285  if(verboseLevel > 0) {
286  G4cout << "Z=1 A=1" << " CoulombFactor[0]= " << theCoulombFac[0]
287  << " CoulombFactor[1]= " << theCoulombFac[1] << G4endl;
288  }
289  theCoulombFac[2] = 1.0;
290 
291  dp.SetKineticEnergy(fLowEnergy);
292  for(G4int iz=3; iz<93; iz++) {
293  theCoulombFac[iz] =
294  fNucleon->GetElementCrossSection(&dp, iz)/CoulombFactor(fLowEnergy, iz);
295 
296  if(verboseLevel > 0) {
297  G4cout << "Z= " << iz << " A= " << theA[iz]
298  << " CoulombFactor= " << theCoulombFac[iz] << G4endl;
299  }
300  }
301 }
G4VCrossSectionDataSet * GetCrossSectionDataSet(const G4String &name, G4bool warning=true)
virtual G4double GetInelasticIsotopeCrossSection(const G4ParticleDefinition *, G4double kinEnergy, G4int, G4int)
const char * p
Definition: xmltok.h:285
virtual void BuildPhysicsTable(const G4ParticleDefinition &)
virtual G4double GetElementCrossSection(const G4DynamicParticle *aParticle, G4int Z, const G4Material *mat=0)
int G4int
Definition: G4Types.hh:78
static G4NistManager * Instance()
const G4String & GetParticleName() const
G4double GetHadronNucleonXscNS(const G4DynamicParticle *, const G4ParticleDefinition *)
G4GLOB_DLL std::ostream G4cout
double A(double temperature)
static G4CrossSectionDataSetRegistry * Instance()
static G4Neutron * Neutron()
Definition: G4Neutron.cc:104
int G4lrint(double ad)
Definition: templates.hh:163
G4double GetAtomicMassAmu(const G4String &symb) const
static constexpr double GeV
Definition: G4SIunits.hh:217
G4double GetHadronNucleonXscPDG(const G4DynamicParticle *, const G4ParticleDefinition *)
#define G4endl
Definition: G4ios.hh:61
G4double GetInelasticGlauberGribov(const G4DynamicParticle *, G4int Z, G4int A)
double G4double
Definition: G4Types.hh:76
virtual void BuildPhysicsTable(const G4ParticleDefinition &)
G4bool isInitialized()
G4double GetInelasticHadronNucleonXsc()

Here is the call graph for this function:

void G4BGGNucleonInelasticXS::CrossSectionDescription ( std::ostream &  outFile) const
virtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 346 of file G4BGGNucleonInelasticXS.cc.

347 {
348  outFile << "The Barashenkov-Glauber-Gribov cross section calculates inelastic\n"
349  << "scattering of protons and neutrons from nuclei using the\n"
350  << "Barashenkov parameterization below 91 GeV and the Glauber-Gribov\n"
351  << "parameterization above 91 GeV. It uses the G4HadronNucleonXsc\n"
352  << "cross section component for hydrogen targets, and the\n"
353  << "G4ComponentGGHadronNucleusXsc component for other targets.\n";
354 }
G4double G4BGGNucleonInelasticXS::GetElementCrossSection ( const G4DynamicParticle *  dp,
G4int  Z,
const G4Material *  mat = 0 
)
virtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 121 of file G4BGGNucleonInelasticXS.cc.

123 {
124  // this method should be called only for Z > 1
125 
126  G4double cross = 0.0;
127  G4double ekin = dp->GetKineticEnergy();
128  G4int Z = ZZ;
129  if(1 == Z) {
130  cross = 1.0115*GetIsoCrossSection(dp,1,1);
131  } else if(2 == Z) {
132  if(ekin > fGlauberEnergy) {
133  cross = theGlauberFac[Z]*fGlauber->GetInelasticGlauberGribov(dp, Z, theA[Z]);
134  } else {
135  cross = fNucleon->GetElementCrossSection(dp, Z);
136  }
137 
138  } else {
139  if(Z > 92) { Z = 92; }
140 
141  if(ekin <= fLowEnergy) {
142  cross = theCoulombFac[Z]*CoulombFactor(ekin, Z);
143  } else if(ekin > fGlauberEnergy) {
144  cross = theGlauberFac[Z]*fGlauber->GetInelasticGlauberGribov(dp, Z, theA[Z]);
145  } else {
146  cross = fNucleon->GetElementCrossSection(dp, Z);
147  }
148  }
149 
150  if(verboseLevel > 1) {
151  G4cout << "G4BGGNucleonInelasticXS::GetCrossSection for "
152  << dp->GetDefinition()->GetParticleName()
153  << " Ekin(GeV)= " << dp->GetKineticEnergy()/CLHEP::GeV
154  << " in nucleus Z= " << Z << " A= " << theA[Z]
155  << " XS(b)= " << cross/barn
156  << G4endl;
157  }
158  //AR-18Dec2013 if(cross <= fLowestXSection) { cross = 0.0; }
159  return cross;
160 }
G4double GetKineticEnergy() const
virtual G4double GetElementCrossSection(const G4DynamicParticle *aParticle, G4int Z, const G4Material *mat=0)
G4ParticleDefinition * GetDefinition() const
int G4int
Definition: G4Types.hh:78
const G4String & GetParticleName() const
G4GLOB_DLL std::ostream G4cout
static constexpr double GeV
virtual G4double GetIsoCrossSection(const G4DynamicParticle *, G4int Z, G4int A, const G4Isotope *iso=0, const G4Element *elm=0, const G4Material *mat=0)
#define G4endl
Definition: G4ios.hh:61
G4double GetInelasticGlauberGribov(const G4DynamicParticle *, G4int Z, G4int A)
double G4double
Definition: G4Types.hh:76
static constexpr double barn
Definition: G4SIunits.hh:105

Here is the call graph for this function:

G4double G4BGGNucleonInelasticXS::GetIsoCrossSection ( const G4DynamicParticle *  dp,
G4int  Z,
G4int  A,
const G4Isotope *  iso = 0,
const G4Element *  elm = 0,
const G4Material *  mat = 0 
)
virtual

Reimplemented from G4VCrossSectionDataSet.

Definition at line 165 of file G4BGGNucleonInelasticXS.cc.

170 {
171  // this method should be called only for Z = 1
172 
173  G4double cross = 0.0;
174  G4double ekin = dp->GetKineticEnergy();
175 
176  if(ekin <= fSAIDHighEnergyLimit) {
177  cross = fSAID->GetInelasticIsotopeCrossSection(particle, ekin, 1, 1);
178  } else if(ekin < fHighEnergy) {
179  fHadron->GetHadronNucleonXscNS(dp, theProton);
180  cross = (theCoulombFac[0]/ekin + 1)*fHadron->GetInelasticHadronNucleonXsc();
181  } else {
182  fHadron->GetHadronNucleonXscPDG(dp, theProton);
183  cross = (theCoulombFac[1]/ekin + 1)*fHadron->GetInelasticHadronNucleonXsc();
184  }
185  cross *= A;
186 
187  if(verboseLevel > 1) {
188  G4cout << "G4BGGNucleonInelasticXS::GetCrossSection for "
189  << dp->GetDefinition()->GetParticleName()
190  << " Ekin(GeV)= " << dp->GetKineticEnergy()/CLHEP::GeV
191  << " in nucleus Z= " << Z << " A= " << A
192  << " XS(b)= " << cross/barn
193  << G4endl;
194  }
195  //AR-18Dec2013 if(cross <= fLowestXSection) { cross = 0.0; }
196  return cross;
197 }
virtual G4double GetInelasticIsotopeCrossSection(const G4ParticleDefinition *, G4double kinEnergy, G4int, G4int)
G4double GetKineticEnergy() const
G4ParticleDefinition * GetDefinition() const
const G4String & GetParticleName() const
G4double GetHadronNucleonXscNS(const G4DynamicParticle *, const G4ParticleDefinition *)
G4GLOB_DLL std::ostream G4cout
double A(double temperature)
static constexpr double GeV
G4double GetHadronNucleonXscPDG(const G4DynamicParticle *, const G4ParticleDefinition *)
#define G4endl
Definition: G4ios.hh:61
double G4double
Definition: G4Types.hh:76
static constexpr double barn
Definition: G4SIunits.hh:105
G4double GetInelasticHadronNucleonXsc()

Here is the call graph for this function:

Here is the caller graph for this function:

G4bool G4BGGNucleonInelasticXS::IsElementApplicable ( const G4DynamicParticle *  ,
G4int  Z,
const G4Material *  mat = 0 
)
virtual

Reimplemented from G4VCrossSectionDataSet.

Reimplemented in G4ParticleHPBGGNucleonInelasticXS.

Definition at line 102 of file G4BGGNucleonInelasticXS.cc.

104 {
105  return true;
106 }
G4bool G4BGGNucleonInelasticXS::IsIsoApplicable ( const G4DynamicParticle *  ,
G4int  Z,
G4int  A,
const G4Element *  elm = 0,
const G4Material *  mat = 0 
)
virtual

Reimplemented from G4VCrossSectionDataSet.

Reimplemented in G4ParticleHPBGGNucleonInelasticXS.

Definition at line 110 of file G4BGGNucleonInelasticXS.cc.

114 {
115  return (1 == Z);
116 }
void G4BGGNucleonInelasticXS::SetLowestCrossSection ( G4double  val)
inline

Definition at line 125 of file G4BGGNucleonInelasticXS.hh.

126 {
127  fLowestXSection = val;
128 }

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