source: trunk/source/processes/electromagnetic/utils/include/G4VEnergyLossProcess.hh @ 1055

Last change on this file since 1055 was 1055, checked in by garnier, 15 years ago

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25//
26// $Id: G4VEnergyLossProcess.hh,v 1.87 2009/04/07 18:39:47 vnivanch Exp $
27// GEANT4 tag $Name:
28//
29// -------------------------------------------------------------------
30//
31// GEANT4 Class header file
32//
33//
34// File name:     G4VEnergyLossProcess
35//
36// Author:        Vladimir Ivanchenko on base of Laszlo Urban code
37//
38// Creation date: 03.01.2002
39//
40// Modifications:
41//
42// 26-12-02 Secondary production moved to derived classes (V.Ivanchenko)
43// 20-01-03 Migrade to cut per region (V.Ivanchenko)
44// 24-01-03 Make models region aware (V.Ivanchenko)
45// 05-02-03 Fix compilation warnings (V.Ivanchenko)
46// 13-02-03 SubCutoffProcessors defined for regions (V.Ivanchenko)
47// 17-02-03 Fix problem of store/restore tables (V.Ivanchenko)
48// 26-02-03 Region dependent step limit (V.Ivanchenko)
49// 26-03-03 Add GetDEDXDispersion (V.Ivanchenko)
50// 09-04-03 Fix problem of negative range limit for non integral (V.Ivanchenko)
51// 13-05-03 Add calculation of precise range (V.Ivanchenko)
52// 21-07-03 Add UpdateEmModel method (V.Ivanchenko)
53// 12-11-03 G4EnergyLossSTD -> G4EnergyLossProcess (V.Ivanchenko)
54// 14-01-04 Activate precise range calculation (V.Ivanchenko)
55// 10-03-04 Fix problem of step limit calculation (V.Ivanchenko)
56// 30-06-04 make destructor virtual (V.Ivanchenko)
57// 05-07-04 fix problem of GenericIons seen at small cuts (V.Ivanchenko)
58// 03-08-04 Add DEDX table to all processes for control on integral range(VI)
59// 06-08-04 Clear up names of member functions (V.Ivanchenko)
60// 27-08-04 Add NeedBuildTables method (V.Ivanchneko)
61// 09-09-04 Bug fix for the integral mode with 2 peaks (V.Ivanchneko)
62// 08-11-04 Migration to new interface of Store/Retrieve tables (V.Ivanchenko)
63// 08-04-05 Major optimisation of internal interfaces (V.Ivanchenko)
64// 11-04-05 Use MaxSecondaryEnergy from a model (V.Ivanchenko)
65// 10-01-05 Remove SetStepLimits (V.Ivanchenko)
66// 10-01-06 PreciseRange -> CSDARange (V.Ivantchenko)
67// 13-01-06 Remove AddSubCutSecondaries and cleanup (V.Ivantchenko)
68// 20-01-06 Introduce G4EmTableType and reducing number of methods (VI)
69// 26-01-06 Add public method GetCSDARange (V.Ivanchenko)
70// 22-03-06 Add SetDynamicMassCharge (V.Ivanchenko)
71// 23-03-06 Use isIonisation flag (V.Ivanchenko)
72// 13-05-06 Add method to access model by index (V.Ivanchenko)
73// 14-01-07 add SetEmModel(index) and SetFluctModel() (mma)
74// 15-01-07 Add separate ionisation tables and reorganise get/set methods for
75//          dedx tables (V.Ivanchenko)
76// 13-03-07 use SafetyHelper instead of navigator (V.Ivanchenko)
77// 27-07-07 use stl vector for emModels instead of C-array (V.Ivanchenko)
78// 25-09-07 More accurate handling zero xsect in
79//          PostStepGetPhysicalInteractionLength (V.Ivanchenko)
80// 27-10-07 Virtual functions moved to source (V.Ivanchenko)
81// 15-07-08 Reorder class members for further multi-thread development (VI)
82//
83// Class Description:
84//
85// It is the unified energy loss process it calculates the continuous
86// energy loss for charged particles using a set of Energy Loss
87// models valid for different energy regions. There are a possibility
88// to create and access to dE/dx and range tables, or to calculate
89// that information on fly.
90
91// -------------------------------------------------------------------
92//
93
94#ifndef G4VEnergyLossProcess_h
95#define G4VEnergyLossProcess_h 1
96
97#include "G4VContinuousDiscreteProcess.hh"
98#include "globals.hh"
99#include "G4Material.hh"
100#include "G4MaterialCutsCouple.hh"
101#include "G4Track.hh"
102#include "G4EmModelManager.hh"
103#include "G4UnitsTable.hh"
104#include "G4ParticleChangeForLoss.hh"
105#include "G4EmTableType.hh"
106#include "G4PhysicsTable.hh"
107#include "G4PhysicsVector.hh"
108
109class G4Step;
110class G4ParticleDefinition;
111class G4VEmModel;
112class G4VEmFluctuationModel;
113class G4DataVector;
114class G4Region;
115class G4SafetyHelper;
116
117//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
118
119class G4VEnergyLossProcess : public G4VContinuousDiscreteProcess
120{
121public:
122
123  G4VEnergyLossProcess(const G4String& name = "EnergyLoss",
124                       G4ProcessType type = fElectromagnetic);
125
126  virtual ~G4VEnergyLossProcess();
127
128private:
129  // clean vectors and arrays
130  void Clean();
131
132  //------------------------------------------------------------------------
133  // Virtual methods to be implemented in concrete processes
134  //------------------------------------------------------------------------
135
136public:
137  virtual G4bool IsApplicable(const G4ParticleDefinition& p) = 0;
138 
139  virtual void PrintInfo() = 0;
140
141protected:
142
143  virtual void InitialiseEnergyLossProcess(const G4ParticleDefinition*,
144                                           const G4ParticleDefinition*) = 0;
145
146  //------------------------------------------------------------------------
147  // Methods with standard implementation; may be overwritten if needed
148  //------------------------------------------------------------------------
149
150  virtual G4double MinPrimaryEnergy(const G4ParticleDefinition*,
151                                    const G4Material*, G4double cut);
152
153  //------------------------------------------------------------------------
154  // Virtual methods implementation common to all EM ContinuousDiscrete
155  // processes. Further inheritance is not assumed
156  //------------------------------------------------------------------------
157
158public:
159
160  // prepare all tables
161  void PreparePhysicsTable(const G4ParticleDefinition&);
162
163  // build all tables
164  void BuildPhysicsTable(const G4ParticleDefinition&);
165
166  // build a table
167  G4PhysicsTable* BuildDEDXTable(G4EmTableType tType = fRestricted);
168
169  // build a table
170  G4PhysicsTable* BuildLambdaTable(G4EmTableType tType = fRestricted);
171
172  // summary printout after initialisation
173  void PrintInfoDefinition();
174
175  // Add subcutoff option for the region
176  void ActivateSubCutoff(G4bool val, const G4Region* region = 0);
177
178  // Activate deexcitation code for region
179  void ActivateDeexcitation(G4bool, const G4Region* region = 0);
180
181  // Step limit from AlongStep
182  G4double AlongStepGetPhysicalInteractionLength(const G4Track&,
183                                                 G4double  previousStepSize,
184                                                 G4double  currentMinimumStep,
185                                                 G4double& currentSafety,
186                                                 G4GPILSelection* selection);
187
188  // Step limit from cross section
189  G4double PostStepGetPhysicalInteractionLength(const G4Track& track,
190                                                G4double   previousStepSize,
191                                                G4ForceCondition* condition);
192
193  // AlongStep computations
194  G4VParticleChange* AlongStepDoIt(const G4Track&, const G4Step&);
195
196  // Sampling of secondaries in vicinity of geometrical boundary
197  void SampleSubCutSecondaries(std::vector<G4Track*>&, const G4Step&, 
198                               G4VEmModel* model, G4int matIdx,
199                               G4double& extraEdep); 
200
201  // PostStep sampling of secondaries
202  G4VParticleChange* PostStepDoIt(const G4Track&, const G4Step&);
203
204  // Store all PhysicsTable in files.
205  // Return false in case of any fatal failure at I/O 
206  G4bool StorePhysicsTable(const G4ParticleDefinition*,
207                           const G4String& directory,
208                           G4bool ascii = false);
209
210  // Retrieve all Physics from a files.
211  // Return true if all the Physics Table are built.
212  // Return false if any fatal failure.
213  G4bool RetrievePhysicsTable(const G4ParticleDefinition*,
214                              const G4String& directory,
215                              G4bool ascii);
216
217private:
218  // store a table
219  G4bool StoreTable(const G4ParticleDefinition* p, 
220                    G4PhysicsTable*, G4bool ascii,
221                    const G4String& directory, 
222                    const G4String& tname);
223
224  // retrieve a table
225  G4bool RetrieveTable(const G4ParticleDefinition* p, 
226                       G4PhysicsTable*, G4bool ascii,
227                       const G4String& directory, 
228                       const G4String& tname, 
229                       G4bool mandatory);
230
231  //------------------------------------------------------------------------
232  // Public interface to cross section, mfp and sampling of fluctuations
233  // These methods are not used in run time
234  //------------------------------------------------------------------------
235
236public:
237  // access to dispersion of restricted energy loss
238  G4double GetDEDXDispersion(const G4MaterialCutsCouple *couple,
239                             const G4DynamicParticle* dp,
240                             G4double length);
241
242  // Access to cross section table
243  G4double CrossSectionPerVolume(G4double kineticEnergy,
244                                 const G4MaterialCutsCouple* couple);
245
246  // access to cross section
247  G4double MeanFreePath(const G4Track& track);
248
249  // access to step limit
250  G4double ContinuousStepLimit(const G4Track& track,
251                               G4double previousStepSize,
252                               G4double currentMinimumStep,
253                               G4double& currentSafety);
254
255protected:
256
257  // implementation of the pure virtual method
258  G4double GetMeanFreePath(const G4Track& track,
259                           G4double previousStepSize,
260                           G4ForceCondition* condition);
261
262  // implementation of the pure virtual method
263  G4double GetContinuousStepLimit(const G4Track& track,
264                                  G4double previousStepSize,
265                                  G4double currentMinimumStep,
266                                  G4double& currentSafety);
267
268  //------------------------------------------------------------------------
269  // Run time method which may be also used by derived processes
270  //------------------------------------------------------------------------
271
272  // creeation of an empty vector for cross section
273  G4PhysicsVector* LambdaPhysicsVector(const G4MaterialCutsCouple*, 
274                                       G4double cut);
275
276  inline size_t CurrentMaterialCutsCoupleIndex() const;
277
278  inline G4double GetCurrentRange() const;
279
280  //------------------------------------------------------------------------
281  // Specific methods to set, access, modify models
282  //------------------------------------------------------------------------
283
284  // Select model in run time
285  inline void SelectModel(G4double kinEnergy);
286
287public:
288  // Select model by energy and region index
289  inline G4VEmModel* SelectModelForMaterial(G4double kinEnergy, 
290                                            size_t& idx) const;
291
292  // Add EM model coupled with fluctuation model for region, smaller value
293  // of order defines which pair of models will be selected for a given
294  // energy interval 
295  void AddEmModel(G4int, G4VEmModel*, 
296                  G4VEmFluctuationModel* fluc = 0,
297                  const G4Region* region = 0);
298
299  // Define new energy range for the model identified by the name
300  void UpdateEmModel(const G4String&, G4double, G4double);
301
302  // Assign a model to a process
303  void SetEmModel(G4VEmModel*, G4int index=1);
304 
305  // return the assigned model
306  G4VEmModel* EmModel(G4int index=1);
307 
308  // Access to models
309  G4VEmModel* GetModelByIndex(G4int idx = 0, G4bool ver = false);
310
311  G4int NumberOfModels();
312
313  // Assign a fluctuation model to a process
314  void SetFluctModel(G4VEmFluctuationModel*);
315 
316  // return the assigned fluctuation model
317  inline G4VEmFluctuationModel* FluctModel();
318   
319  //------------------------------------------------------------------------
320  // Define and access particle type
321  //------------------------------------------------------------------------
322
323protected:
324  inline void SetParticle(const G4ParticleDefinition* p);
325  inline void SetSecondaryParticle(const G4ParticleDefinition* p);
326
327public:
328  inline void SetBaseParticle(const G4ParticleDefinition* p);
329  inline const G4ParticleDefinition* Particle() const;
330  inline const G4ParticleDefinition* BaseParticle() const;
331  inline const G4ParticleDefinition* SecondaryParticle() const;
332
333  //------------------------------------------------------------------------
334  // Get/set parameters to configure the process at initialisation time
335  //------------------------------------------------------------------------
336
337  // Add subcutoff process (bremsstrahlung) to sample secondary
338  // particle production in vicinity of the geometry boundary
339  void AddCollaborativeProcess(G4VEnergyLossProcess*);
340
341  inline void SetLossFluctuations(G4bool val);
342  inline void SetRandomStep(G4bool val);
343
344  inline void SetIntegral(G4bool val);
345  inline G4bool IsIntegral() const;
346
347  // Set/Get flag "isIonisation"
348  inline void SetIonisation(G4bool val);
349  inline G4bool IsIonisationProcess() const;
350
351  // Redefine parameteters for stepping control
352  //
353  inline void SetLinearLossLimit(G4double val);
354  inline void SetMinSubRange(G4double val);
355  inline void SetLambdaFactor(G4double val);
356  inline void SetStepFunction(G4double v1, G4double v2);
357
358  inline G4int NumberOfSubCutoffRegions() const;
359  inline G4int NumberOfDERegions() const;
360
361  //------------------------------------------------------------------------
362  // Specific methods to path Physics Tables to the process
363  //------------------------------------------------------------------------
364
365  void SetDEDXTable(G4PhysicsTable* p, G4EmTableType tType);
366  void SetCSDARangeTable(G4PhysicsTable* pRange);
367  void SetRangeTableForLoss(G4PhysicsTable* p);
368  void SetSecondaryRangeTable(G4PhysicsTable* p);
369  void SetInverseRangeTable(G4PhysicsTable* p);
370
371  void SetLambdaTable(G4PhysicsTable* p);
372  void SetSubLambdaTable(G4PhysicsTable* p);
373
374  // Binning for dEdx, range, inverse range and labda tables
375  inline void SetDEDXBinning(G4int nbins);
376  inline void SetLambdaBinning(G4int nbins);
377
378  // Binning for dEdx, range, and inverse range tables
379  inline void SetDEDXBinningForCSDARange(G4int nbins);
380
381  // Min kinetic energy for tables
382  inline void SetMinKinEnergy(G4double e);
383  inline G4double MinKinEnergy() const;
384
385  // Max kinetic energy for tables
386  inline void SetMaxKinEnergy(G4double e);
387  inline G4double MaxKinEnergy() const;
388
389  // Max kinetic energy for tables
390  inline void SetMaxKinEnergyForCSDARange(G4double e);
391
392  // Return values for given G4MaterialCutsCouple
393  inline G4double GetDEDX(G4double& kineticEnergy, const G4MaterialCutsCouple*);
394  inline G4double GetDEDXForSubsec(G4double& kineticEnergy, 
395                                   const G4MaterialCutsCouple*);
396  inline G4double GetRange(G4double& kineticEnergy, const G4MaterialCutsCouple*);
397  inline G4double GetCSDARange(G4double& kineticEnergy, const G4MaterialCutsCouple*);
398  inline G4double GetRangeForLoss(G4double& kineticEnergy, const G4MaterialCutsCouple*);
399  inline G4double GetKineticEnergy(G4double& range, const G4MaterialCutsCouple*);
400  inline G4double GetLambda(G4double& kineticEnergy, const G4MaterialCutsCouple*);
401
402  inline G4bool TablesAreBuilt() const;
403
404  // Access to specific tables
405  inline G4PhysicsTable* DEDXTable() const;
406  inline G4PhysicsTable* DEDXTableForSubsec() const;
407  inline G4PhysicsTable* DEDXunRestrictedTable() const;
408  inline G4PhysicsTable* IonisationTable() const;
409  inline G4PhysicsTable* IonisationTableForSubsec() const;
410  inline G4PhysicsTable* CSDARangeTable() const;
411  inline G4PhysicsTable* RangeTableForLoss() const;
412  inline G4PhysicsTable* InverseRangeTable() const;
413  inline G4PhysicsTable* LambdaTable();
414  inline G4PhysicsTable* SubLambdaTable();
415
416  //------------------------------------------------------------------------
417  // Run time method for simulation of ionisation
418  //------------------------------------------------------------------------
419
420  // sample range at the end of a step
421  inline G4double SampleRange();
422
423  // Set scaling parameters for ions is needed to G4EmCalculator
424  inline void SetDynamicMassCharge(G4double massratio, G4double charge2ratio);
425
426private:
427
428  // define material and indexes
429  inline void DefineMaterial(const G4MaterialCutsCouple* couple);
430
431  //------------------------------------------------------------------------
432  // Compute values using scaling relation, mass and charge of based particle
433  //------------------------------------------------------------------------
434
435  inline G4double GetDEDXForScaledEnergy(G4double scaledKinEnergy);
436  inline G4double GetSubDEDXForScaledEnergy(G4double scaledKinEnergy);
437  inline G4double GetIonisationForScaledEnergy(G4double scaledKinEnergy);
438  inline G4double GetSubIonisationForScaledEnergy(G4double scaledKinEnergy);
439  inline G4double GetScaledRangeForScaledEnergy(G4double scaledKinEnergy);
440  inline G4double GetLimitScaledRangeForScaledEnergy(G4double scaledKinEnergy);
441  inline G4double ScaledKinEnergyForLoss(G4double range);
442  inline G4double GetLambdaForScaledEnergy(G4double scaledKinEnergy);
443  inline void ComputeLambdaForScaledEnergy(G4double scaledKinEnergy);
444
445  // hide  assignment operator
446  G4VEnergyLossProcess(G4VEnergyLossProcess &);
447  G4VEnergyLossProcess & operator=(const G4VEnergyLossProcess &right);
448
449  // ======== Parameters of the class fixed at construction =========
450
451  G4EmModelManager*           modelManager;
452  G4SafetyHelper*             safetyHelper;
453
454  const G4ParticleDefinition* secondaryParticle;
455  const G4ParticleDefinition* theElectron;
456  const G4ParticleDefinition* thePositron;
457  const G4ParticleDefinition* theGenericIon;
458
459  G4PhysicsVector*            vstrag;
460
461  // ======== Parameters of the class fixed at initialisation =======
462
463  std::vector<G4VEmModel*>              emModels;
464  G4VEmFluctuationModel*                fluctModel;
465  std::vector<const G4Region*>          scoffRegions;
466  std::vector<const G4Region*>          deRegions;
467  G4int                                 nSCoffRegions;
468  G4int                                 nDERegions;
469  G4bool*                               idxSCoffRegions;
470  G4bool*                               idxDERegions;
471
472  std::vector<G4VEnergyLossProcess*>    scProcesses;
473  G4int                                 nProcesses;
474
475  // tables and vectors
476  G4PhysicsTable*             theDEDXTable;
477  G4PhysicsTable*             theDEDXSubTable;
478  G4PhysicsTable*             theDEDXunRestrictedTable;
479  G4PhysicsTable*             theIonisationTable;
480  G4PhysicsTable*             theIonisationSubTable;
481  G4PhysicsTable*             theRangeTableForLoss;
482  G4PhysicsTable*             theCSDARangeTable;
483  G4PhysicsTable*             theSecondaryRangeTable;
484  G4PhysicsTable*             theInverseRangeTable;
485  G4PhysicsTable*             theLambdaTable;
486  G4PhysicsTable*             theSubLambdaTable;
487  G4double*                   theDEDXAtMaxEnergy;
488  G4double*                   theRangeAtMaxEnergy;
489  G4double*                   theEnergyOfCrossSectionMax;
490  G4double*                   theCrossSectionMax;
491
492  const G4DataVector*         theCuts;
493  const G4DataVector*         theSubCuts;
494
495  const G4ParticleDefinition* baseParticle;
496
497  G4int    nBins;
498  G4int    nBinsCSDA;
499
500  G4double lowestKinEnergy;
501  G4double minKinEnergy;
502  G4double maxKinEnergy;
503  G4double maxKinEnergyCSDA;
504
505  G4double linLossLimit;
506  G4double minSubRange;
507  G4double dRoverRange;
508  G4double finalRange;
509  G4double lambdaFactor;
510
511  G4bool   lossFluctuationFlag;
512  G4bool   rndmStepFlag;
513  G4bool   tablesAreBuilt;
514  G4bool   integral;
515  G4bool   isIon;
516  G4bool   isIonisation;
517  G4bool   useSubCutoff;
518  G4bool   useDeexcitation;
519
520protected:
521
522  G4ParticleChangeForLoss          fParticleChange;
523
524  // ======== Cashed values - may be state dependent ================
525
526private:
527
528  std::vector<G4DynamicParticle*>  secParticles;
529  std::vector<G4Track*>            scTracks;
530
531  const G4ParticleDefinition* particle;
532
533  G4VEmModel*                 currentModel;
534  const G4Material*           currentMaterial;
535  const G4MaterialCutsCouple* currentCouple;
536  size_t                      currentMaterialIndex;
537
538  G4int    nWarnings;
539
540  G4double massRatio;
541  G4double reduceFactor;
542  G4double chargeSqRatio;
543
544  G4double preStepLambda;
545  G4double fRange;
546  G4double preStepKinEnergy;
547  G4double preStepScaledEnergy;
548  G4double mfpKinEnergy;
549
550  G4GPILSelection  aGPILSelection;
551
552};
553
554//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
555//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
556
557inline size_t G4VEnergyLossProcess::CurrentMaterialCutsCoupleIndex() const 
558{
559  return currentMaterialIndex;
560}
561
562//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
563 
564inline G4double G4VEnergyLossProcess::GetCurrentRange() const
565{
566  return fRange;
567}
568
569//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
570
571inline void G4VEnergyLossProcess::SelectModel(G4double kinEnergy)
572{
573  currentModel = modelManager->SelectModel(kinEnergy, currentMaterialIndex);
574  currentModel->SetCurrentCouple(currentCouple);
575}
576
577//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
578
579inline G4VEmModel* G4VEnergyLossProcess::SelectModelForMaterial(
580                   G4double kinEnergy, size_t& idx) const
581{
582  return modelManager->SelectModel(kinEnergy, idx);
583}
584
585//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
586
587inline void G4VEnergyLossProcess::SetFluctModel(G4VEmFluctuationModel* p)
588{
589  fluctModel = p;
590}
591
592//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
593
594inline G4VEmFluctuationModel* G4VEnergyLossProcess::FluctModel()
595{
596  return fluctModel;
597}
598
599//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
600
601inline void G4VEnergyLossProcess::SetParticle(const G4ParticleDefinition* p)
602{
603  particle = p;
604}
605
606//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
607
608inline void G4VEnergyLossProcess::SetSecondaryParticle(const G4ParticleDefinition* p)
609{
610  secondaryParticle = p;
611}
612
613//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
614
615inline void G4VEnergyLossProcess::SetBaseParticle(const G4ParticleDefinition* p)
616{
617  baseParticle = p;
618}
619
620//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
621
622inline const G4ParticleDefinition* G4VEnergyLossProcess::Particle() const
623{
624  return particle;
625}
626
627//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
628
629inline const G4ParticleDefinition* G4VEnergyLossProcess::BaseParticle() const
630{
631  return baseParticle;
632}
633
634//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
635
636inline const G4ParticleDefinition* G4VEnergyLossProcess::SecondaryParticle() const
637{
638  return secondaryParticle;
639}
640
641//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
642
643inline void G4VEnergyLossProcess::SetLossFluctuations(G4bool val)
644{
645  lossFluctuationFlag = val;
646}
647
648//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
649
650inline void G4VEnergyLossProcess::SetRandomStep(G4bool val)
651{
652  rndmStepFlag = val;
653}
654
655//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
656
657inline void G4VEnergyLossProcess::SetIntegral(G4bool val)
658{
659  integral = val;
660}
661
662//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
663 
664inline G4bool G4VEnergyLossProcess::IsIntegral() const 
665{
666  return integral;
667}
668
669//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
670
671inline void G4VEnergyLossProcess::SetIonisation(G4bool val)
672{
673  isIonisation = val;
674  if(val) aGPILSelection = CandidateForSelection;
675  else    aGPILSelection = NotCandidateForSelection;
676}
677
678//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
679
680inline G4bool G4VEnergyLossProcess::IsIonisationProcess() const
681{
682  return isIonisation;
683}
684
685//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
686
687inline void G4VEnergyLossProcess::SetLinearLossLimit(G4double val)
688{
689  linLossLimit = val;
690}
691
692//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
693
694inline void G4VEnergyLossProcess::SetMinSubRange(G4double val)
695{
696  minSubRange = val;
697}
698
699//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
700
701inline void G4VEnergyLossProcess::SetLambdaFactor(G4double val)
702{
703  if(val > 0.0 && val <= 1.0) lambdaFactor = val;
704}
705
706//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
707
708void G4VEnergyLossProcess::SetStepFunction(G4double v1, G4double v2)
709{
710  dRoverRange = v1;
711  finalRange = v2;
712  if (dRoverRange > 0.999) dRoverRange = 1.0;
713  currentCouple = 0;
714  mfpKinEnergy  = DBL_MAX;
715}
716
717//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
718
719inline G4int G4VEnergyLossProcess::NumberOfSubCutoffRegions() const
720{
721  return nSCoffRegions;
722}
723
724//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
725
726inline G4int G4VEnergyLossProcess::NumberOfDERegions() const
727{
728  return nDERegions;
729}
730
731//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
732
733inline void G4VEnergyLossProcess::SetDEDXBinning(G4int nbins)
734{
735  nBins = nbins;
736}
737
738//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
739
740inline void G4VEnergyLossProcess::SetLambdaBinning(G4int nbins)
741{
742  nBins = nbins;
743}
744
745//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
746
747inline void G4VEnergyLossProcess::SetDEDXBinningForCSDARange(G4int nbins)
748{
749  nBinsCSDA = nbins;
750}
751
752//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
753
754inline void G4VEnergyLossProcess::SetMinKinEnergy(G4double e)
755{
756  minKinEnergy = e;
757}
758
759//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
760
761inline G4double G4VEnergyLossProcess::MinKinEnergy() const
762{
763  return minKinEnergy;
764}
765
766//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
767
768inline void G4VEnergyLossProcess::SetMaxKinEnergy(G4double e)
769{
770  maxKinEnergy = e;
771  if(e < maxKinEnergyCSDA) maxKinEnergyCSDA = e;
772}
773
774//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
775
776inline G4double G4VEnergyLossProcess::MaxKinEnergy() const
777{
778  return maxKinEnergy;
779}
780
781//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
782
783inline void G4VEnergyLossProcess::SetMaxKinEnergyForCSDARange(G4double e)
784{
785  maxKinEnergyCSDA = e;
786}
787
788//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
789
790inline G4double G4VEnergyLossProcess::GetDEDX(G4double& kineticEnergy,
791                                        const G4MaterialCutsCouple* couple)
792{
793  DefineMaterial(couple);
794  return GetDEDXForScaledEnergy(kineticEnergy*massRatio);
795}
796
797//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
798
799inline G4double G4VEnergyLossProcess::GetDEDXForSubsec(G4double& kineticEnergy,
800                                        const G4MaterialCutsCouple* couple)
801{
802  DefineMaterial(couple);
803  return GetSubDEDXForScaledEnergy(kineticEnergy*massRatio);
804}
805
806//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
807
808inline G4double G4VEnergyLossProcess::GetRange(G4double& kineticEnergy,
809                                         const G4MaterialCutsCouple* couple)
810{
811  G4double x = fRange;
812  if(kineticEnergy != preStepKinEnergy || couple != currentCouple) { 
813    DefineMaterial(couple);
814    if(theCSDARangeTable)
815      x = GetLimitScaledRangeForScaledEnergy(kineticEnergy*massRatio)
816        * reduceFactor;
817    else if(theRangeTableForLoss)
818      x = GetScaledRangeForScaledEnergy(kineticEnergy*massRatio)*reduceFactor;
819  }
820  return x;
821}
822
823//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
824
825inline G4double G4VEnergyLossProcess::GetCSDARange(
826       G4double& kineticEnergy, const G4MaterialCutsCouple* couple)
827{
828  DefineMaterial(couple);
829  G4double x = DBL_MAX;
830  if(theCSDARangeTable)
831    x = GetLimitScaledRangeForScaledEnergy(kineticEnergy*massRatio)
832      * reduceFactor;
833  return x;
834}
835
836//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
837
838inline G4double G4VEnergyLossProcess::GetRangeForLoss(
839                G4double& kineticEnergy,
840                const G4MaterialCutsCouple* couple)
841{
842  DefineMaterial(couple);
843  G4double x = DBL_MAX;
844  if(theRangeTableForLoss) 
845    x = GetScaledRangeForScaledEnergy(kineticEnergy*massRatio)*reduceFactor;
846  //  G4cout << "Range from " << GetProcessName()
847  //         << "  e= " << kineticEnergy << " r= " << x << G4endl;
848  return x;
849}
850
851//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
852
853inline G4double G4VEnergyLossProcess::GetKineticEnergy(
854                G4double& range,
855                const G4MaterialCutsCouple* couple)
856{
857  DefineMaterial(couple);
858  G4double r = range/reduceFactor;
859  G4double e = ScaledKinEnergyForLoss(r)/massRatio;
860  return e;
861}
862
863//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
864
865inline G4double G4VEnergyLossProcess::GetLambda(G4double& kineticEnergy,
866                                          const G4MaterialCutsCouple* couple)
867{
868  DefineMaterial(couple);
869  G4double x = 0.0;
870  if(theLambdaTable) x = GetLambdaForScaledEnergy(kineticEnergy*massRatio);
871  return x;
872}
873
874//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
875
876inline G4bool G4VEnergyLossProcess::TablesAreBuilt() const
877{
878  return  tablesAreBuilt;
879}
880
881//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
882
883inline G4PhysicsTable* G4VEnergyLossProcess::DEDXTable() const
884{
885  return theDEDXTable;
886}
887
888//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
889
890inline G4PhysicsTable* G4VEnergyLossProcess::DEDXTableForSubsec() const
891{
892  return theDEDXSubTable;
893}
894
895//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
896
897inline G4PhysicsTable* G4VEnergyLossProcess::DEDXunRestrictedTable() const
898{
899  return theDEDXunRestrictedTable;
900}
901
902//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
903
904inline G4PhysicsTable* G4VEnergyLossProcess::IonisationTable() const
905{
906  G4PhysicsTable* t = theDEDXTable;
907  if(theIonisationTable) t = theIonisationTable; 
908  return t;
909}
910
911//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
912
913inline G4PhysicsTable* G4VEnergyLossProcess::IonisationTableForSubsec() const
914{
915  G4PhysicsTable* t = theDEDXSubTable;
916  if(theIonisationSubTable) t = theIonisationSubTable; 
917  return t;
918}
919
920//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
921
922inline G4PhysicsTable* G4VEnergyLossProcess::CSDARangeTable() const
923{
924  return theCSDARangeTable;
925}
926
927//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
928
929inline G4PhysicsTable* G4VEnergyLossProcess::RangeTableForLoss() const
930{
931  return theRangeTableForLoss;
932}
933
934//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
935
936inline G4PhysicsTable* G4VEnergyLossProcess::InverseRangeTable() const
937{
938  return theInverseRangeTable;
939}
940
941//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
942
943inline G4PhysicsTable* G4VEnergyLossProcess::LambdaTable()
944{
945  return theLambdaTable;
946}
947
948//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
949
950inline G4PhysicsTable* G4VEnergyLossProcess::SubLambdaTable()
951{
952  return theSubLambdaTable;
953}
954
955//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
956
957inline G4double G4VEnergyLossProcess::SampleRange()
958{
959  G4double e = amu_c2*preStepKinEnergy/particle->GetPDGMass();
960  G4bool b;
961  G4double s = fRange*std::pow(10.,vstrag->GetValue(e,b));
962  G4double x = fRange + G4RandGauss::shoot(0.0,s);
963  if(x > 0.0) fRange = x;
964  return fRange;
965}
966
967//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
968
969inline void G4VEnergyLossProcess::SetDynamicMassCharge(G4double massratio,
970                                                       G4double charge2ratio)
971{
972  massRatio     = massratio;
973  chargeSqRatio = charge2ratio;
974  reduceFactor  = 1.0/(chargeSqRatio*massRatio);
975}
976
977//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
978
979inline void G4VEnergyLossProcess::DefineMaterial(
980            const G4MaterialCutsCouple* couple)
981{
982  if(couple != currentCouple) {
983    currentCouple   = couple;
984    currentMaterial = couple->GetMaterial();
985    currentMaterialIndex = couple->GetIndex();
986    mfpKinEnergy = DBL_MAX;
987  }
988}
989
990//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
991
992inline G4double G4VEnergyLossProcess::GetDEDXForScaledEnergy(G4double e)
993{
994  G4bool b;
995  G4double x = 
996    ((*theDEDXTable)[currentMaterialIndex]->GetValue(e, b))*chargeSqRatio;
997  if(e < minKinEnergy) x *= std::sqrt(e/minKinEnergy);
998  return x;
999}
1000
1001//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
1002
1003inline G4double G4VEnergyLossProcess::GetSubDEDXForScaledEnergy(G4double e)
1004{
1005  G4bool b;
1006  G4double x = 
1007    ((*theDEDXSubTable)[currentMaterialIndex]->GetValue(e, b))*chargeSqRatio;
1008  if(e < minKinEnergy) x *= std::sqrt(e/minKinEnergy);
1009  return x;
1010}
1011
1012//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
1013
1014inline G4double G4VEnergyLossProcess::GetIonisationForScaledEnergy(G4double e)
1015{
1016  G4bool b;
1017  G4double x = 0.0;
1018  //  if(theIonisationTable) {
1019  x = ((*theIonisationTable)[currentMaterialIndex]->GetValue(e, b))
1020    *chargeSqRatio;
1021  if(e < minKinEnergy) x *= std::sqrt(e/minKinEnergy);
1022  //}
1023  return x;
1024}
1025
1026//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
1027
1028inline 
1029G4double G4VEnergyLossProcess::GetSubIonisationForScaledEnergy(G4double e)
1030{
1031  G4bool b;
1032  G4double x = 0.0;
1033  //if(theIonisationSubTable) {
1034  x = ((*theIonisationSubTable)[currentMaterialIndex]->GetValue(e, b))
1035    *chargeSqRatio;
1036  if(e < minKinEnergy) x *= std::sqrt(e/minKinEnergy);
1037  //}
1038  return x;
1039}
1040
1041//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
1042
1043inline G4double G4VEnergyLossProcess::GetScaledRangeForScaledEnergy(G4double e)
1044{
1045  G4bool b;
1046  G4double x = ((*theRangeTableForLoss)[currentMaterialIndex])->GetValue(e, b);
1047  if(e < minKinEnergy) x *= std::sqrt(e/minKinEnergy);
1048  return x;
1049}
1050
1051//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
1052
1053inline G4double G4VEnergyLossProcess::GetLimitScaledRangeForScaledEnergy(
1054                G4double e)
1055{
1056  G4bool b;
1057  G4double x;
1058
1059  if (e < maxKinEnergyCSDA) {
1060    x = ((*theCSDARangeTable)[currentMaterialIndex])->GetValue(e, b);
1061    if(e < minKinEnergy) x *= std::sqrt(e/minKinEnergy);
1062  } else {
1063    x = theRangeAtMaxEnergy[currentMaterialIndex] +
1064         (e - maxKinEnergyCSDA)/theDEDXAtMaxEnergy[currentMaterialIndex];
1065  }
1066  return x;
1067}
1068
1069//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
1070
1071inline G4double G4VEnergyLossProcess::ScaledKinEnergyForLoss(G4double r)
1072{
1073  G4PhysicsVector* v = (*theInverseRangeTable)[currentMaterialIndex];
1074  G4double rmin = v->GetLowEdgeEnergy(0);
1075  G4double e = 0.0; 
1076  if(r >= rmin) {
1077    G4bool b;
1078    e = v->GetValue(r, b);
1079  } else if(r > 0.0) {
1080    G4double x = r/rmin;
1081    e = minKinEnergy*x*x;
1082  }
1083  return e;
1084}
1085
1086//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
1087
1088inline G4double G4VEnergyLossProcess::GetLambdaForScaledEnergy(G4double e)
1089{
1090  G4bool b;
1091  return 
1092    chargeSqRatio*(((*theLambdaTable)[currentMaterialIndex])->GetValue(e, b));
1093}
1094
1095//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
1096
1097inline void G4VEnergyLossProcess::ComputeLambdaForScaledEnergy(G4double e)
1098{
1099  mfpKinEnergy  = theEnergyOfCrossSectionMax[currentMaterialIndex];
1100  if (e <= mfpKinEnergy) {
1101    preStepLambda = GetLambdaForScaledEnergy(e);
1102
1103  } else {
1104    G4double e1 = e*lambdaFactor;
1105    if(e1 > mfpKinEnergy) {
1106      preStepLambda  = GetLambdaForScaledEnergy(e);
1107      G4double preStepLambda1 = GetLambdaForScaledEnergy(e1);
1108      if(preStepLambda1 > preStepLambda) {
1109        mfpKinEnergy = e1;
1110        preStepLambda = preStepLambda1;
1111      }
1112    } else {
1113      preStepLambda = chargeSqRatio*theCrossSectionMax[currentMaterialIndex];
1114    }
1115  }
1116}
1117
1118//....oooOO0OOooo........oooOO0OOooo........oooOO0OOooo........oooOO0OOooo....
1119
1120#endif
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