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26 //
27 /// \file HadNucIneEvents.cc
28 /// \brief Main program,
29 /// hadronic/FlukaCern/ProcessLevel/Fi
30 //
31 // Author: A. Ribbon, 8 November 2020
32 // Modified: G. Hugo, 8 December 2022
33 //
34 //--------------------------------------------
35 //
36 // HadNucIneEvents
37 //
38 /// This program is an adaptation of Hadr09 ex
39 /// It offers all Hadr09 features, and adds th
40 /// accessing hadron-nucleus inelastic interac
41 ///
42 /// With respect to the Hadr09 example,
43 /// the program also adds the possibility of p
44 /// all encountered secondaries spectra are au
45 /// as well as the residual nuclei distributio
46 /// All plots (created via the G4 analysis man
47 /// to any of the usually supported formats (e
48 /// but also in a Flair-compatible format.
49 ///
50 /// The final states (i.e. secondary particles
51 /// hadron-nuclear inelastic collisions are ha
52 ///
53 /// The use of the class Hadronic Generator is
54 /// the constructor needs to be invoked only o
55 /// of the "physics case" to consider ("CFLUKA
56 /// considered as default if the name is not s
57 /// method needs to be called at each collisio
58 /// collision (hadron, energy, direction, mate
59 /// The class HadronicGenerator is expected to
60 /// multi-threaded environment with "external"
61 /// that are not necessarily managed by Geant4
62 /// each thread should have its own instance o
63 ///
64 /// See the string "***LOOKHERE***" below for
65 /// of this example: the "physics case", the s
66 /// which to sample the projectile
67 /// a list of hadrons is possible from which t
68 /// the kinetic energy of the projectile (whic
69 /// an interval), whether the direction of the
70 /// sampled at each collision, the target mate
71 /// is possible, from which the target materia
72 /// collision, and then from this target mater
73 /// will be chosen randomly by Geant4 itself),
74 /// some information or not and how frequently
75 /// Once a well-defined type of hadron-nucleus
76 /// inelastic collision has been chosen, the m
77 /// HadronicGenerator::GenerateInteraction
78 /// returns the secondaries produced by that i
79 /// of a G4VParticleChange object).
80 ///
81 /// Here by default, an already well-defined t
82 /// inelastic collision is selected
83 /// (specific hadron, at a given kinetic energ
84 /// on a specific material).
85 /// The initial random seed is not set randoml
86 /// so that results are reproducible from one
87 ///
88 /// Use: build/HadNucIneEvents
89 //
90 //--------------------------------------------
91
92 //....oooOO0OOooo........oooOO0OOooo........oo
93 //....oooOO0OOooo........oooOO0OOooo........oo
94
95 #include "CLHEP/Random/Randomize.h"
96 #include "CLHEP/Random/Ranlux64Engine.h"
97 #include "FinalStateHistoManager.hh"
98 #include "HadronicGenerator.hh"
99
100 #include "G4GenericIon.hh"
101 #include "G4IonTable.hh"
102 #include "G4Material.hh"
103 #include "G4NistManager.hh"
104 #include "G4ParticleTable.hh"
105 #include "G4PhysicalConstants.hh"
106 #include "G4ProcessManager.hh"
107 #include "G4SystemOfUnits.hh"
108 #include "G4UnitsTable.hh"
109 #include "G4VParticleChange.hh"
110 #include "G4ios.hh"
111 #include "globals.hh"
112
113 #include <chrono>
114 #include <iomanip>
115
116 //....oooOO0OOooo........oooOO0OOooo........oo
117
118 G4int main(G4int argc, char** argv)
119 {
120 G4cout << "=== Test of the HadronicGenerator
121
122 // See the HadronicGenerator class for the p
123 // ( In short, it is the name of the Geant4
124 // the collision, with the possibility of
125 // a given energy interval, as in physics
126
127 //***LOOKHERE*** PHYSICS CASE
128 G4String namePhysics = "CFLUKAHI";
129 // const G4String namePhysics = "FTFP_BERT";
130 // const G4String namePhysics = "FTFP_BERT_A
131 // const G4String namePhysics = "QGSP_BERT";
132 // const G4String namePhysics = "QGSP_BIC";
133 // const G4String namePhysics = "FTFP_INCLXX
134 // const G4String namePhysics = "FTFP";
135 // const G4String namePhysics = "QGSP";
136 // const G4String namePhysics = "BERT";
137 // const G4String namePhysics = "BIC";
138 // const G4String namePhysics = "IonBIC";
139 // const G4String namePhysics = "INCL";
140
141 // The kinetic energy of the projectile will
142 // in the interval [minEnergy, maxEnergy].
143 G4double minEnergy = 7. * CLHEP::TeV; //***
144 G4double maxEnergy = 7. * CLHEP::TeV; //***
145
146 G4int numCollisions = 100000; //***LOOKHERE
147 // const G4int numCollisions = 100; // DE
148
149 // IMPORTANT - TESTING ONLY:
150 // OVERWRITES DEFAULT PHYSICS CASE AND NUMBE
151 std::vector<G4String> args(argv, argv + argc
152 if (args.size() == 2 && args[1] == "--test")
153 namePhysics = G4String("FTFP_BERT");
154 numCollisions = 10;
155 }
156
157 // Enable or disable the print out of this p
158 // produced in each collisions is printed ou
159 // collisions, the list of secondaries is pr
160 const G4bool isPrintingEnabled = true; //**
161 const G4int printingGap = 100; //***LOOKHER
162
163 // Vector of Geant4 names of hadron projecti
164 // (with uniform probability) for each colli
165 // Note: comment out the corresponding line
166 std::vector<G4String> vecProjectiles; //***
167 // vecProjectiles.push_back( "pi-" );
168 // Note: vecProjectiles.push_back( "pi0" );
169 // vecProjectiles.push_back( "pi+" );
170 // vecProjectiles.push_back( "kaon-" );
171 // vecProjectiles.push_back( "kaon+" );
172 // vecProjectiles.push_back( "kaon0L" );
173 // vecProjectiles.push_back( "kaon0S" );
174 // Note: vecProjectiles.push_back( "eta" );
175 // Note: vecProjectiles.push_back( "eta_prim
176 vecProjectiles.push_back("proton");
177 // vecProjectiles.push_back( "neutron" );
178 // vecProjectiles.push_back( "deuteron" );
179 // vecProjectiles.push_back( "triton" );
180 // vecProjectiles.push_back( "He3" );
181 // vecProjectiles.push_back( "alpha" );
182 // vecProjectiles.push_back( "lambda" );
183 // vecProjectiles.push_back( "sigma-" );
184 // Note: vecProjectiles.push_back( "sigma0"
185 // vecProjectiles.push_back( "sigma+" );
186 // vecProjectiles.push_back( "xi-" );
187 // vecProjectiles.push_back( "xi0" );
188 // vecProjectiles.push_back( "omega-" );
189 // vecProjectiles.push_back( "anti_proton" )
190 // vecProjectiles.push_back( "anti_neutron"
191 // vecProjectiles.push_back( "anti_lambda" )
192 // vecProjectiles.push_back( "anti_sigma-" )
193 // Note: vecProjectiles.push_back( "anti_sig
194 // vecProjectiles.push_back( "anti_sigma+" )
195 // vecProjectiles.push_back( "anti_xi-" );
196 // vecProjectiles.push_back( "anti_xi0" );
197 // vecProjectiles.push_back( "anti_omega-" )
198 // vecProjectiles.push_back( "anti_deuteron"
199 // vecProjectiles.push_back( "anti_triton" )
200 // vecProjectiles.push_back( "anti_He3" );
201 // vecProjectiles.push_back( "anti_alpha" );
202 // Charm and bottom hadrons
203 // vecProjectiles.push_back( "D+" );
204 // vecProjectiles.push_back( "D-" );
205 // vecProjectiles.push_back( "D0" );
206 // vecProjectiles.push_back( "anti_D0" );
207 // vecProjectiles.push_back( "Ds+" );
208 // vecProjectiles.push_back( "Ds-" );
209 // Note: vecProjectiles.push_back( "etac" );
210 // Note: vecProjectiles.push_back( "J/psi" )
211 // vecProjectiles.push_back( "B+" );
212 // vecProjectiles.push_back( "B-" );
213 // vecProjectiles.push_back( "B0" );
214 // vecProjectiles.push_back( "anti_B0" );
215 // vecProjectiles.push_back( "Bs0" );
216 // vecProjectiles.push_back( "anti_Bs0" );
217 // vecProjectiles.push_back( "Bc+" );
218 // vecProjectiles.push_back( "Bc-" );
219 // Note: vecProjectiles.push_back( "Upsilon"
220 // vecProjectiles.push_back( "lambda_c+" );
221 // vecProjectiles.push_back( "anti_lambda_c+
222 // Note: vecProjectiles.push_back( "sigma_c+
223 // Note: vecProjectiles.push_back( "anti_sig
224 // Note: vecProjectiles.push_back( "sigma_c0
225 // Note: vecProjectiles.push_back( "anti_sig
226 // Note: vecProjectiles.push_back( "sigma_c+
227 // Note: vecProjectiles.push_back( "anti_sig
228 // vecProjectiles.push_back( "xi_c+" );
229 // vecProjectiles.push_back( "anti_xi_c+" );
230 // vecProjectiles.push_back( "xi_c0" );
231 // vecProjectiles.push_back( "anti_xi_c0" );
232 // vecProjectiles.push_back( "omega_c0" );
233 // vecProjectiles.push_back( "anti_omega_c0"
234 // vecProjectiles.push_back( "lambda_b" );
235 // vecProjectiles.push_back( "anti_lambda_b"
236 // Note: vecProjectiles.push_back( "sigma_b+
237 // Note: vecProjectiles.push_back( "anti_sig
238 // Note: vecProjectiles.push_back( "sigma_b0
239 // Note: vecProjectiles.push_back( "sigma_b0
240 // Note: vecProjectiles.push_back( "sigma_b-
241 // Note: vecProjectiles.push_back( "anti_sig
242 // vecProjectiles.push_back( "xi_b0" );
243 // vecProjectiles.push_back( "anti_xi_b0" );
244 // vecProjectiles.push_back( "xi_b-" );
245 // vecProjectiles.push_back( "anti_xi_b-" );
246 // vecProjectiles.push_back( "omega_b-" );
247 // vecProjectiles.push_back( "anti_omega_b-"
248
249 G4ParticleDefinition* projectileNucleus = nu
250 G4GenericIon* gion = G4GenericIon::GenericIo
251 gion->SetProcessManager(new G4ProcessManager
252 G4ParticleTable* partTable = G4ParticleTable
253 G4IonTable* ions = partTable->GetIonTable();
254 partTable->SetReadiness();
255 ions->CreateAllIon();
256 ions->CreateAllIsomer();
257
258 //***LOOKHERE*** HADRON (false) OR ION (tru
259 const G4bool isProjectileIon = false;
260 if (isProjectileIon) {
261 minEnergy = 40.0 * 13.0 * CLHEP::GeV; //*
262 maxEnergy = 40.0 * 13.0 * CLHEP::GeV; //*
263 G4int ionZ = 18, ionA = 40; //***LOOKHERE
264 projectileNucleus = partTable->GetIonTable
265 }
266
267 // Vector of Geant4 NIST names of materials:
268 // (with uniform probability) for each colli
269 // Note: comment out the corresponding line
270 // or, vice versa, add a new line to e
271 std::vector<G4String> vecMaterials; //***LO
272 // vecMaterials.push_back( "G4_H" );
273 // vecMaterials.push_back( "G4_He" );
274 // vecMaterials.push_back( "G4_Be" );
275 vecMaterials.push_back("G4_C");
276 // vecMaterials.push_back( "G4_Al" );
277 // vecMaterials.push_back( "G4_Si" );
278 // vecMaterials.push_back( "G4_Sc" );
279 // vecMaterials.push_back( "G4_Ar" );
280 // vecMaterials.push_back( "G4_Fe" );
281 // vecMaterials.push_back( "G4_Cu" );
282 // vecMaterials.push_back( "G4_W" );
283 // vecMaterials.push_back( "G4_Pb" );
284
285 const G4int numProjectiles = vecProjectiles.
286 const G4int numMaterials = vecMaterials.size
287
288 G4cout << G4endl << "================= Conf
289 << "Model: " << namePhysics << G4endl
290 << maxEnergy / CLHEP::GeV << " ] GeV"
291 << "Number of collisions: " << numCo
292 << "Number of hadron projectiles: " <
293 << "Number of materials: " << numMa
294 << "IsIonProjectile: " << (projectile
295 << (projectileNucleus != nullptr ? pr
296 << G4endl << "=======================
297
298 CLHEP::Ranlux64Engine defaultEngine(1234567,
299 CLHEP::HepRandom::setTheEngine(&defaultEngin
300 //***LOOKHERE*** RANDOM ENGINE START SEED
301 // G4int seed = time( NULL );
302 // CLHEP::HepRandom::setTheSeed( seed );
303 // G4cout << G4endl << " Initial seed = " <<
304
305 // Set up histo manager.
306 auto histoManager = FinalStateHistoManager()
307 histoManager.Book();
308
309 // Instanciate the HadronicGenerator providi
310 HadronicGenerator* theHadronicGenerator = ne
311 //******************************************
312
313 if (theHadronicGenerator == nullptr) {
314 G4cerr << "ERROR: theHadronicGenerator is
315 return 1;
316 }
317 else if (!theHadronicGenerator->IsPhysicsCas
318 G4cerr << "ERROR: this physics case is NOT
319 return 2;
320 }
321
322 // Start timing
323 auto start = std::chrono::high_resolution_cl
324
325 // Loop over the collisions
326 G4double rnd1, rnd2, rnd3, rnd4, rnd5, rnd6,
327 G4VParticleChange* aChange = nullptr;
328 for (G4int i = 0; i < numCollisions; ++i) {
329 histoManager.BeginOfEvent();
330
331 // Draw some random numbers to select the
332 // projectile hadron, projectile kinetic e
333 rnd1 = CLHEP::HepRandom::getTheEngine()->f
334 rnd2 = CLHEP::HepRandom::getTheEngine()->f
335 rnd3 = CLHEP::HepRandom::getTheEngine()->f
336 rnd4 = CLHEP::HepRandom::getTheEngine()->f
337 rnd5 = CLHEP::HepRandom::getTheEngine()->f
338 rnd6 = CLHEP::HepRandom::getTheEngine()->f
339 // Sample the projectile kinetic energy
340 projectileEnergy = minEnergy + rnd1 * (max
341 if (projectileEnergy <= 0.0) projectileEne
342 // Sample the projectile direction
343 normalization = 1.0 / std::sqrt(rnd2 * rnd
344 //***LOOKHERE*** IF true THEN SMEAR DIREC
345 const G4bool isOnSmearingDirection = false
346 //***LOOKHERE*** ELSE USE THIS FIXED DIRE
347 G4ThreeVector aDirection = G4ThreeVector(0
348 if (isOnSmearingDirection) {
349 aDirection = G4ThreeVector(normalization
350 }
351 // Sample the projectile hadron from the v
352 G4int index_projectile = std::trunc(rnd5 *
353 G4String nameProjectile = vecProjectiles[i
354 G4ParticleDefinition* projectile = partTab
355 if (projectileNucleus) {
356 nameProjectile = projectileNucleus->GetP
357 projectile = projectileNucleus;
358 }
359 // Sample the target material from the vec
360 // (Note: the target nucleus will be sampl
361 G4int index_material = std::trunc(rnd6 * n
362 G4String nameMaterial = vecMaterials[index
363 G4Material* material = G4NistManager::Inst
364 if (material == nullptr) {
365 G4cerr << "ERROR: Material " << nameMate
366 return 3;
367 }
368 if (isPrintingEnabled) {
369 G4cout << "\t Collision " << i << " ; pr
370 if (projectileNucleus) {
371 G4cout << " ; Ekin[MeV]/nucleon="
372 << projectileEnergy
373 / static_cast<G4double>(st
374 }
375 else {
376 G4cout << " ; Ekin[MeV]=" << projectil
377 }
378 G4cout << " ; direction=" << aDirection
379 }
380
381 // Call here the "hadronic generator" to g
382 aChange = theHadronicGenerator->GenerateIn
383 projectile, projectileEnergy,
384 /* *************************************
385
386 G4int nsec = aChange ? aChange->GetNumberO
387 G4bool isPrintingOfSecondariesEnabled = fa
388 if (isPrintingEnabled) {
389 G4cout << G4endl << "\t --> #secondaries
390 << " ; impactParameter[fm]=" << t
391 << " ; #projectileSpectatorNucleo
392 << theHadronicGenerator->GetNumbe
393 << " ; #targetSpectatorNucleons="
394 << theHadronicGenerator->GetNumbe
395 << " ; #NNcollisions=" << theHadr
396 if (i % printingGap == 0) {
397 isPrintingOfSecondariesEnabled = true;
398 G4cout << "\t \t List of produced seco
399 }
400 }
401 // Loop over produced secondaries and even
402 for (G4int j = 0; j < nsec; ++j) {
403 const G4DynamicParticle* sec = aChange->
404 if (isPrintingOfSecondariesEnabled) {
405 G4cout << "\t \t \t j=" << j << "\t" <
406 << "\t p=" << sec->Get4Momentum
407 }
408
409 // Store each secondary.
410 histoManager.ScoreSecondary(sec);
411
412 delete aChange->GetSecondary(j);
413 }
414 if (aChange) aChange->Clear();
415 histoManager.EndOfEvent();
416 }
417
418 histoManager.EndOfRun();
419
420 G4cout << G4endl << " Final random number =
421 << G4endl;
422
423 const auto stop = std::chrono::high_resoluti
424 const auto diff = stop - start;
425 const auto time =
426 static_cast<G4double>(std::chrono::duratio
427 / 1e6;
428 G4cout << G4endl;
429 G4cout << "Processed " << numCollisions << "
430 << " seconds."
431 << " Average: " << std::defaultfloat
432 << G4endl;
433 G4cout << G4endl;
434
435 G4cout << "=== End of test ===" << G4endl;
436 }
437
438 //....oooOO0OOooo........oooOO0OOooo........oo
439