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1//
2// ********************************************************************
3// * License and Disclaimer *
4// * *
5// * The Geant4 software is copyright of the Copyright Holders of *
6// * the Geant4 Collaboration. It is provided under the terms and *
7// * conditions of the Geant4 Software License, included in the file *
8// * LICENSE and available at http://cern.ch/geant4/license . These *
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10// * *
11// * Neither the authors of this software system, nor their employing *
12// * institutes,nor the agencies providing financial support for this *
13// * work make any representation or warranty, express or implied, *
14// * regarding this software system or assume any liability for its *
15// * use. Please see the license in the file LICENSE and URL above *
16// * for the full disclaimer and the limitation of liability. *
17// * *
18// * This code implementation is the result of the scientific and *
19// * technical work of the GEANT4 collaboration. *
20// * By using, copying, modifying or distributing the software (or *
21// * any work based on the software) you agree to acknowledge its *
22// * use in resulting scientific publications, and indicate your *
23// * acceptance of all terms of the Geant4 Software license. *
24// ********************************************************************
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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