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source: trunk/source/processes/electromagnetic/lowenergy/test/G4PenelopeAnnihilationTest.cc @ 1199

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26	//
27	// $Id: G4PenelopeAnnihilationTest.cc,v 1.4 2006/06/29 19:44:14 gunter Exp $
28	// GEANT4 tag $Name: geant4-09-03-cand-01 $
29	//
30	// -------------------------------------------------------------------
31	// GEANT 4 class file --- Copyright CERN 1998
32	// CERN Geneva Switzerland
33	//
34	//
35	// File name: G4PenelopeGammaConversionTest.cc
36	//
37	// Author: Francesco Longo
38	//
39	// Creation date: 04 january 2001
40	//
41	// Modifications: Luciano Pandola (03 july 2003)
42	// Adapted in order to test G4PenelopeAnnihilationTest
43	// Minor modification in n-tuple filling
44	// Updated analysis to AIDA 3.0
45	//
46	// -------------------------------------------------------------------
47
48	#include "globals.hh"
49	#include "G4ios.hh"
50
51	#include "G4ParticleDefinition.hh"
52	#include "G4ParticleTypes.hh"
53	#include "G4ParticleTable.hh"
54	#include "G4Material.hh"
55	#include "G4MaterialTable.hh"
56	#include "G4VDiscreteProcess.hh"
57	#include "G4VProcess.hh"
58	#include "G4ProcessManager.hh"
59
60	#include "G4PenelopeAnnihilation.hh"
61	#include "G4eplusAnnihilation.hh"
62
63	#include "G4EnergyLossTables.hh"
64	#include "G4VParticleChange.hh"
65	#include "G4ParticleChange.hh"
66	#include "G4DynamicParticle.hh"
67	#include "G4ForceCondition.hh"
68
69	#include "G4PenelopeBremsstrahlung.hh"
70	#include "G4PenelopeIonisation.hh"
71	#include "G4MultipleScattering.hh"
72	#include "G4eIonisation.hh"
73	#include "G4eBremsstrahlung.hh"
74	#include "G4eplusAnnihilation.hh"
75
76	#include "G4ComptonScattering.hh"
77	#include "G4PhotoElectricEffect.hh"
78
79	#include "G4RunManager.hh"
80
81	#include "G4Electron.hh"
82	#include "G4Positron.hh"
83	#include "G4Gamma.hh"
84
85	#include "G4GRSVolume.hh"
86	#include "G4Box.hh"
87	#include "G4PVPlacement.hh"
88	#include "G4Step.hh"
89	#include "G4ProductionCutsTable.hh"
90	#include "G4MaterialCutsCouple.hh"
91
92	#include "G4UnitsTable.hh"
93	#include "AIDA/IManagedObject.h"
94
95	#include <memory>
96	#include "AIDA/IAnalysisFactory.h"
97	#include "AIDA/ITreeFactory.h"
98	#include "AIDA/ITree.h"
99	#include "AIDA/IHistogramFactory.h"
100	#include "AIDA/IHistogram1D.h"
101	#include "AIDA/IHistogram2D.h"
102	#include "AIDA/IHistogram3D.h"
103	#include "AIDA/ITupleFactory.h"
104	#include "AIDA/ITuple.h"
105
106
107	G4int main()
108	{
109
110	// Setup
111
112	G4int nIterations = 100000;
113	G4int materialId = 3;
114
115	//G4cout.setf(std::ios::scientific,std::ios::floatfield );
116
117	// -------------------------------------------------------------------
118
119	// ---- HBOOK initialization
120
121	std::auto_ptr< AIDA::IAnalysisFactory > af( AIDA_createAnalysisFactory() );
122	std::auto_ptr< AIDA::ITreeFactory > tf (af->createTreeFactory());
123	std::auto_ptr< AIDA::ITree > tree (tf->create("pen_ann_test.hbook","hbook",false,true));
124	G4cout << "Tree store: " << tree->storeName() << G4endl;
125	std::auto_ptr< AIDA::ITupleFactory > tpf (af->createTupleFactory(*tree));
126	std::auto_ptr< AIDA::IHistogramFactory > hf (af->createHistogramFactory(*tree));
127
128	// ---- secondary ntuple ------
129	AIDA::ITuple* ntuple1 = tpf->create("1","Secondary Ntuple","double eprimary,px_1,py_1,pz_1,e_1,theta_1,px_2,py_2,pz_2,e_2,theta_2");
130
131	// ---- table ntuple ------
132	AIDA::ITuple* ntuple2 = tpf->create("2","Mean Free Path Ntuple","double kinen,mfp");
133
134
135	//--------- Materials definition ---------
136
137	G4Material* Si = new G4Material("Silicon", 14., 28.055g/mole, 2.33g/cm3);
138	G4Material* Fe = new G4Material("Iron", 26., 55.85g/mole, 7.87g/cm3);
139	G4Material* Cu = new G4Material("Copper", 29., 63.55g/mole, 8.96g/cm3);
140	G4Material* W = new G4Material("Tungsten", 74., 183.85g/mole, 19.30g/cm3);
141	G4Material* Pb = new G4Material("Lead", 82., 207.19g/mole, 11.35g/cm3);
142	G4Material* U = new G4Material("Uranium", 92., 238.03g/mole, 18.95g/cm3);
143
144	G4Element* H = new G4Element ("Hydrogen", "H", 1. , 1.01*g/mole);
145	G4Element* O = new G4Element ("Oxygen" , "O", 8. , 16.00*g/mole);
146	G4Element* C = new G4Element ("Carbon" , "C", 6. , 12.00*g/mole);
147	G4Element* Cs = new G4Element ("Cesium" , "Cs", 55. , 132.905*g/mole);
148	G4Element* I = new G4Element ("Iodine" , "I", 53. , 126.9044*g/mole);
149
150	G4Material* maO = new G4Material("Oxygen", 8., 16.00g/mole, 1.1g/cm3);
151
152	G4Material* water = new G4Material ("Water" , 1.*g/cm3, 2);
153	water->AddElement(H,2);
154	water->AddElement(O,1);
155
156	G4Material* ethane = new G4Material ("Ethane" , 0.4241*g/cm3, 2);
157	ethane->AddElement(H,6);
158	ethane->AddElement(C,2);
159
160	G4Material* csi = new G4Material ("CsI" , 4.53*g/cm3, 2);
161	csi->AddElement(Cs,1);
162	csi->AddElement(I,1);
163
164
165	// Interactive set-up
166
167	G4cout << "How many interactions? " << G4endl;
168	G4cin >> nIterations;
169
170	if (nIterations <= 0) G4Exception("Wrong input");
171
172	G4double initEnergy = 1.0*MeV;
173	G4double initX = 0.;
174	G4double initY = 0.;
175	G4double initZ = 1.;
176
177	G4cout << "Enter the initial particle energy E (MeV)" << G4endl;
178	G4cin >> initEnergy ;
179
180	initEnergy = initEnergy*MeV;
181
182	if (initEnergy < 0.) G4Exception("Wrong input");
183
184	static const G4MaterialTable* theMaterialTable = G4Material::GetMaterialTable();
185
186	G4int nMaterials = G4Material::GetNumberOfMaterials();
187
188	G4cout << "Available materials are: " << G4endl;
189	for (G4int mat = 0; mat < nMaterials; mat++)
190	{
191	G4cout << mat << ") "
192	<< (*theMaterialTable)[mat]->GetName()
193	<< G4endl;
194	}
195
196	G4cout << "Which material? " << G4endl;
197	G4cin >> materialId;
198
199	G4Material* material = (*theMaterialTable)[materialId] ;
200
201	G4cout << "The selected material is: "
202	<< material->GetName()
203	<< G4endl;
204
205	G4double dimX = 1*mm;
206	G4double dimY = 1*mm;
207	G4double dimZ = 1*mm;
208
209	// Geometry
210
211	G4Box* theFrame = new G4Box ("Frame",dimX, dimY, dimZ);
212
213	G4LogicalVolume* logicalFrame = new G4LogicalVolume(theFrame,
214	(*theMaterialTable)[materialId],
215	"LFrame", 0, 0, 0);
216	logicalFrame->SetMaterial(material);
217
218	G4PVPlacement* physicalFrame = new G4PVPlacement(0,G4ThreeVector(),
219	"PFrame",logicalFrame,0,false,0);
220
221	G4RunManager* rm = new G4RunManager();
222	G4cout << "World is defined " << G4endl;
223	rm->GeometryHasBeenModified();
224	rm->DefineWorldVolume(physicalFrame);
225
226	// Particle definitions
227
228	G4ParticleDefinition* gamma = G4Gamma::GammaDefinition();
229	G4ParticleDefinition* electron = G4Electron::ElectronDefinition();
230	G4ParticleDefinition* positron = G4Positron::PositronDefinition();
231
232	G4ProductionCutsTable* cutsTable = G4ProductionCutsTable::GetProductionCutsTable();
233	G4ProductionCuts* cuts = cutsTable->GetDefaultProductionCuts();
234	G4double cutG=1*micrometer;
235	G4double cutE=1*micrometer;
236	cuts->SetProductionCut(cutG, 0); //gammas
237	cuts->SetProductionCut(cutE, 1); //electrons
238	cuts->SetProductionCut(cutE, 2); //positrons
239	G4cout << "Cuts are defined " << G4endl;
240
241	//G4Gamma::SetEnergyRange(2.5e-4MeV,1e5MeV);
242	//G4Electron::SetEnergyRange(2.5e-4MeV,1e5MeV);
243	//G4Positron::SetEnergyRange(2.5e-4MeV,1e5MeV);
244
245	cutsTable->UpdateCoupleTable();
246	//cutsTable->DumpCouples();
247	const G4MaterialCutsCouple* theCouple = cutsTable->GetMaterialCutsCouple(material,cuts);
248	G4int indx=theCouple->GetIndex();
249
250	// Processes
251
252
253	G4int processType;
254	G4cout << "Standard [1] or Penelope [2] Positron Annihilation?" << G4endl;
255	G4cin >> processType;
256	if ( !(processType == 1 \|\| processType == 2))
257	{
258	G4Exception("Wrong input");
259	}
260
261	G4VProcess* positronProcess;
262
263	if (processType == 1)
264	{
265	positronProcess = new G4eplusAnnihilation();
266	G4cout << "The selected model is Standard" << G4endl;
267	}
268	else if (processType == 2)
269	{
270	positronProcess = new G4PenelopeAnnihilation();
271	G4cout << "The selected model is Penelope" << G4endl;
272	}
273
274	G4VProcess* theeplusMultipleScattering = new G4MultipleScattering();
275	G4VProcess* theeplusIonisation = new G4PenelopeIonisation();
276	G4VProcess* theeplusBremsstrahlung = new G4PenelopeBremsstrahlung();
277
278	//----------------
279	// process manager
280	//----------------
281
282
283	G4ForceCondition* condition;
284
285	//positron
286
287	G4ProcessManager* pProcessManager = new G4ProcessManager(positron);
288	positron->SetProcessManager(pProcessManager);
289	pProcessManager->AddProcess(positronProcess);
290
291	// Create a DynamicParticle
292
293	G4double eEnergy = initEnergy*MeV;
294	G4ParticleMomentum eDirection(initX,initY,initZ);
295	G4DynamicParticle dynamicPositron(positron,eDirection,eEnergy);
296
297	dynamicPositron.DumpInfo(0);
298
299	// Track
300
301	G4ThreeVector aPosition(0.,0.,0.);
302	G4double aTime = 0. ;
303
304	G4Track* gTrack = new G4Track(&dynamicPositron,aTime,aPosition);
305
306	G4GRSVolume* touche = new G4GRSVolume(physicalFrame, NULL, aPosition);
307	gTrack->SetTouchableHandle(touche); //verificare!!!!!!!!!!!!
308
309
310	// Step
311
312	G4Step* step = new G4Step();
313	step->SetTrack(gTrack);
314
315	G4StepPoint* aPoint = new G4StepPoint();
316	aPoint->SetPosition(aPosition);
317	aPoint->SetMaterial(material);
318	aPoint->SetMaterialCutsCouple(theCouple);
319	G4double safety = 10000.*cm;
320	aPoint->SetSafety(safety);
321	step->SetPreStepPoint(aPoint);
322
323	// Check applicability
324
325	if (! (positronProcess->IsApplicable(*positron)))
326	{
327	G4Exception("Not Applicable");
328	}
329	else
330	{
331	G4cout<< "applicability OK" << G4endl;
332	}
333
334	positronProcess->BuildPhysicsTable(*positron);
335
336	G4cout<< "table OK" << G4endl;
337
338	// Test GetMeanFreePath()
339	// E' protected! Il membro accessibile e' DumpMeanFreePath()
340
341	G4Material* apttoMaterial ;
342	G4String MaterialName ;
343
344	G4double minArg = 100eV,maxArg = 100GeV, argStp;
345	const G4int pntNum = 300;
346	G4double Tkin[pntNum+1];
347	G4double meanFreePath=0. ;
348
349	argStp = (std::log10(maxArg)-std::log10(minArg))/pntNum;
350
351	for(G4int d = 0; d < pntNum+1; d++)
352	{
353	Tkin[d] = std::pow(10,(std::log10(minArg) + d*argStp));
354	}
355
356	G4double sti = 1.*mm;
357	step->SetStepLength(sti);
358
359	// for ( G4int J = 0 ; J < nMaterials ; J++ )
360	// {
361	apttoMaterial = (*theMaterialTable)[materialId] ;
362	MaterialName = apttoMaterial->GetName() ;
363	logicalFrame->SetMaterial(apttoMaterial);
364
365	gTrack->SetStep(step);
366
367	G4eplusAnnihilation* positronStdProcess =
368	(G4eplusAnnihilation*) positronProcess;
369	G4PenelopeAnnihilation* positronPenProcess =
370	(G4PenelopeAnnihilation*) positronProcess;
371
372	for (G4int i=0 ; i<pntNum; i++)
373	{
374	dynamicPositron.SetKineticEnergy(Tkin[i]);
375	if (processType == 1)
376	{
377	meanFreePath=positronStdProcess
378	->GetMeanFreePath(*gTrack, sti, condition);
379	}
380	else if (processType == 2)
381	{
382	meanFreePath=positronPenProcess
383	->DumpMeanFreePath(*gTrack, sti, condition);
384	}
385
386	ntuple2->fill(ntuple2->findColumn("kinen"),Tkin[i]/MeV);
387	ntuple2->fill(ntuple2->findColumn("mfp"),meanFreePath/cm);
388	ntuple2->addRow();
389
390
391	// G4cout << meanFreePath/cm << G4endl;
392
393	}
394	G4cout << "Mean Free Path OK" << G4endl;
395
396	// --------- Test the DoIt
397
398	G4cout << "DoIt in " << material->GetName() << G4endl;
399
400
401	dynamicPositron.SetKineticEnergy(eEnergy);
402	G4int iter;
403	initEnergy += 2.0*electron_mass_c2;
404
405	for (iter=0; iter<nIterations; iter++)
406	{
407
408	step->SetStepLength(1*micrometer);
409
410	G4cout << "Iteration = " << iter
411	<< " - Step Length = "
412	<< step->GetStepLength()/mm << " mm "
413	<< G4endl;
414
415
416	gTrack->SetStep(step);
417
418	G4VParticleChange* dummy;
419
420	G4cout << "eEnergy: " << eEnergy/MeV << " MeV" << G4endl;
421	if (eEnergy>0.0)
422	{
423	dummy = positronProcess->PostStepDoIt(gTrack, step);
424	G4cout << "Chiamo il Post Step " << G4endl;
425	}
426	else
427	{
428	dummy = positronProcess->AtRestDoIt(gTrack,step);
429	G4cout << "Chiamo l'At Rest" << G4endl;
430	}
431
432	G4ParticleChange* particleChange = (G4ParticleChange*) dummy;
433
434	// Secondaries physical quantities
435
436	// Secondaries
437	G4cout << " secondaries " <<
438	particleChange->GetNumberOfSecondaries() << G4endl;
439	G4double px_1,py_1,pz_1,e_1,theta_1;
440	G4double px_2,py_2,pz_2,e_2,theta_2;
441
442
443	for (G4int i = 0; i < (particleChange->GetNumberOfSecondaries()); i++)
444	{
445
446	G4Track* finalParticle = particleChange->GetSecondary(i) ;
447
448	G4double e = finalParticle->GetTotalEnergy();
449	G4double px = (finalParticle->GetMomentum()).x();
450	G4double py = (finalParticle->GetMomentum()).y();
451	G4double pz = (finalParticle->GetMomentum()).z();
452	G4double theta = (finalParticle->GetMomentum()).theta();
453	theta = theta/deg; //conversion in degrees
454	if (e > initEnergy)
455	{
456	G4cout << "WARNING: eFinal > eInit " << G4endl;
457	}
458
459	G4String particleName =
460	finalParticle->GetDefinition()->GetParticleName();
461	G4cout << "Initial energy " << eEnergy/MeV << G4endl;
462	G4cout << "==== Final "
463	<< particleName << " "
464	<< "energy: " << e/MeV << " MeV, "
465	<< "(px,py,pz): ("
466	<< px/MeV << ","
467	<< py/MeV << ","
468	<< pz/MeV << ") MeV "
469	<< G4endl;
470
471	if (particleName == "gamma") {
472	if (i == 0) {
473	px_1=px;
474	py_1=py;
475	pz_1=pz;
476	e_1=e;
477	theta_1=theta;
478	}
479	else if (i == 1)
480	{
481	px_2 = px;
482	py_2 = py;
483	pz_2 = pz;
484	e_2 = e;
485	theta_2 = theta;
486	}
487	else
488	{
489	G4Exception("There are more than 3 gammas?!?");
490	}
491	}
492	delete particleChange->GetSecondary(i);
493	}
494
495	// Fill the secondaries ntuple
496
497	// Normalize all to the energy of primary
498	// for gammas initEnergy=initP
499	ntuple1->fill(ntuple1->findColumn("eprimary"),eEnergy);
500	ntuple1->fill(ntuple1->findColumn("px_1"),px_1/initEnergy);
501	ntuple1->fill(ntuple1->findColumn("py_1"),py_1/initEnergy);
502	ntuple1->fill(ntuple1->findColumn("pz_1"),pz_1/initEnergy);
503	ntuple1->fill(ntuple1->findColumn("e_1"),e_1/initEnergy);
504	ntuple1->fill(ntuple1->findColumn("theta_1"),theta_1);
505	ntuple1->fill(ntuple1->findColumn("px_2"),px_2/initEnergy);
506	ntuple1->fill(ntuple1->findColumn("py_2"),py_2/initEnergy);
507	ntuple1->fill(ntuple1->findColumn("pz_2"),pz_2/initEnergy);
508	ntuple1->fill(ntuple1->findColumn("e_2"),e_2/initEnergy);
509	ntuple1->fill(ntuple1->findColumn("theta_2"),theta_2);
510	ntuple1->addRow();
511	particleChange->Clear();
512
513	}
514
515
516	G4cout << "Iteration number: " << iter << G4endl;
517
518	G4cout << "Committing.............." << G4endl;
519	tree->commit();
520	G4cout << "Closing the tree........" << G4endl;
521	tree->close();
522
523	delete step;
524
525
526	G4cout << "END OF THE MAIN PROGRAM" << G4endl;
527	return 0;
528	}
529
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