source: trunk/source/processes/hadronic/models/chiral_inv_phase_space/interface/src/G4QLowEnergy.cc @ 962

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26// $Id: G4QLowEnergy.cc,v 1.7 2008/10/02 21:10:07 dennis Exp $
27// GEANT4 tag $Name: geant4-09-02-ref-02 $
28//
29//      ---------------- G4QLowEnergy class -----------------
30//                 by Mikhail Kossov, Aug 2007.
31// G4QLowEnergy class of the CHIPS Simulation Branch in GEANT4
32// ---------------------------------------------------------------
33// ****************************************************************************************
34// ********** This CLASS is temporary moved from the "chips/interface" directory *********
35// ****************************************************************************************
36
37//#define debug
38//#define pdebug
39//#define tdebug
40//#define nandebug
41//#define ppdebug
42
43#include "G4QLowEnergy.hh"
44
45// Initialization of static vectors
46G4int    G4QLowEnergy::nPartCWorld=152;  // #of particles initialized in CHIPS
47std::vector<G4int> G4QLowEnergy::ElementZ; // Z of element(i) in theLastCalc
48std::vector<G4double> G4QLowEnergy::ElProbInMat; // SumProbOfElem in Material
49std::vector<std::vector<G4int>*> G4QLowEnergy::ElIsoN;// N of isotope(j), E(i)
50std::vector<std::vector<G4double>*>G4QLowEnergy::IsoProbInEl;//SumProbIsotE(i)
51
52// Constructor
53G4QLowEnergy::G4QLowEnergy(const G4String& processName):
54  G4VDiscreteProcess(processName, fHadronic), evaporate(true)
55{
56#ifdef debug
57  G4cout<<"G4QLowEnergy::Constructor is called processName="<<processName<<G4endl;
58#endif
59  if (verboseLevel>0) G4cout<<GetProcessName()<<" process is created "<<G4endl;
60  SetProcessSubType(fHadronInelastic);
61  G4QCHIPSWorld::Get()->GetParticles(nPartCWorld); // Create CHIPS World (234 part. max)
62}
63
64// Destructor
65G4QLowEnergy::~G4QLowEnergy() {}
66
67
68G4LorentzVector G4QLowEnergy::GetEnegryMomentumConservation(){return EnMomConservation;}
69
70G4int G4QLowEnergy::GetNumberOfNeutronsInTarget() {return nOfNeutrons;}
71
72// output of the function must be in units of length! L=1/sig_V,sig_V=SUM(n(j,i)*sig(j,i)),
73// where n(i,j) is a number of nuclei of the isotop j of the element i in V=1(lengtUnit^3)
74// ********** All CHIPS cross sections are calculated in the surface units ************
75G4double G4QLowEnergy::GetMeanFreePath(const G4Track&Track, G4double, G4ForceCondition*F)
76{
77  *F = NotForced;
78  const G4DynamicParticle* incidentParticle = Track.GetDynamicParticle();
79  G4ParticleDefinition* incidentParticleDefinition=incidentParticle->GetDefinition();
80  if( !IsApplicable(*incidentParticleDefinition))
81    G4cout<<"-Warning-G4QLowEnergy::GetMeanFreePath for notImplemented Particle"<<G4endl;
82  // Calculate the mean Cross Section for the set of Elements(*Isotopes) in the Material
83  G4double Momentum = incidentParticle->GetTotalMomentum(); // 3-momentum of the Particle
84#ifdef debug
85  G4double KinEn = incidentParticle->GetKineticEnergy();
86  G4cout<<"G4QLowEnergy::GetMeanFreePath:Prpj, kinE="<<KinEn<<", Mom="<<Momentum<<G4endl;
87#endif
88  const G4Material* material = Track.GetMaterial();        // Get the current material
89  const G4double* NOfNucPerVolume = material->GetVecNbOfAtomsPerVolume();
90  const G4ElementVector* theElementVector = material->GetElementVector();
91  G4int nE=material->GetNumberOfElements();
92#ifdef debug
93  G4cout<<"G4QLowEnergy::GetMeanFreePath:"<<nE<<" Elems"<<G4endl;
94#endif
95  G4VQCrossSection* CSmanager=G4QIonIonCrossSection::GetPointer();
96  G4int pPDG=0;
97  // @@ At present it is made only for n & p, but can be extended if inXS are available
98  if      ( incidentParticleDefinition ==  G4Deuteron::Deuteron()     ) pPDG = 100001002;
99  else if ( incidentParticleDefinition ==  G4Alpha::Alpha()           ) pPDG = 100002004;
100  else if ( incidentParticleDefinition ==  G4Triton::Triton()         ) pPDG = 100001003;
101  else if ( incidentParticleDefinition ==  G4He3::He3()               ) pPDG = 100002003;
102  else if ( incidentParticleDefinition ==  G4GenericIon::GenericIon() )
103  {
104    pPDG=incidentParticleDefinition->GetPDGEncoding();
105#ifdef debug
106    G4int B=incidentParticleDefinition->GetBaryonNumber();
107    G4int C=incidentParticleDefinition->GetPDGCharge();
108    prPDG=100000000+1000*C+B;
109    G4cout<<"G4QIonIonElastic::GetMeanFreePath: PDG="<<prPDG<<"="<<pPDG<<G4endl;
110#endif
111  }
112  else G4cout<<"-Warning-G4QLowEnergy::GetMeanFreePath: only AA are implemented"<<G4endl; 
113  Momentum/=incidentParticleDefinition->GetBaryonNumber(); // Divide Mom by projectile A
114  G4QIsotope* Isotopes = G4QIsotope::Get(); // Pointer to the G4QIsotopes singleton
115  G4double sigma=0.;                        // Sums over elements for the material
116  G4int IPIE=IsoProbInEl.size();            // How many old elements?
117  if(IPIE) for(G4int ip=0; ip<IPIE; ++ip)   // Clean up the SumProb's of Isotopes (SPI)
118  {
119    std::vector<G4double>* SPI=IsoProbInEl[ip]; // Pointer to the SPI vector
120    SPI->clear();
121    delete SPI;
122    std::vector<G4int>* IsN=ElIsoN[ip];     // Pointer to the N vector
123    IsN->clear();
124    delete IsN;
125  }
126  ElProbInMat.clear();                      // Clean up the SumProb's of Elements (SPE)
127  ElementZ.clear();                         // Clear the body vector for Z of Elements
128  IsoProbInEl.clear();                      // Clear the body vector for SPI
129  ElIsoN.clear();                           // Clear the body vector for N of Isotopes
130  for(G4int i=0; i<nE; ++i)
131  {
132    G4Element* pElement=(*theElementVector)[i]; // Pointer to the current element
133    G4int Z = static_cast<G4int>(pElement->GetZ()); // Z of the Element
134    ElementZ.push_back(Z);                  // Remember Z of the Element
135    G4int isoSize=0;                        // The default for the isoVectorLength is 0
136    G4int indEl=0;                          // Index of non-natural element or 0(default)
137    G4IsotopeVector* isoVector=pElement->GetIsotopeVector(); // Get the predefined IsoVect
138    if(isoVector) isoSize=isoVector->size();// Get size of the existing isotopeVector
139#ifdef debug
140    G4cout<<"G4QLowEnergy::GetMeanFreePath: isovector Length="<<isoSize<<G4endl;
141#endif
142    if(isoSize)                             // The Element has non-trivial abundance set
143    {
144      indEl=pElement->GetIndex()+1;         // Index of the non-trivial element is an order
145#ifdef debug
146      G4cout<<"G4QLowEn::GetMFP:iE="<<indEl<<",def="<<Isotopes->IsDefined(Z,indEl)<<G4endl;
147#endif
148      if(!Isotopes->IsDefined(Z,indEl))     // This index is not defined for this Z: define
149      {
150        std::vector<std::pair<G4int,G4double>*>* newAbund =
151                                               new std::vector<std::pair<G4int,G4double>*>;
152        G4double* abuVector=pElement->GetRelativeAbundanceVector();
153        for(G4int j=0; j<isoSize; j++)      // Calculation of abundance vector for isotopes
154        {
155          G4int N=pElement->GetIsotope(j)->GetN()-Z; // N means A=N+Z !
156          if(pElement->GetIsotope(j)->GetZ()!=Z)G4cerr<<"G4QDiffract::GetMeanFreePath: Z="
157                                         <<pElement->GetIsotope(j)->GetZ()<<"#"<<Z<<G4endl;
158          G4double abund=abuVector[j];
159                                                                  std::pair<G4int,G4double>* pr= new std::pair<G4int,G4double>(N,abund);
160#ifdef debug
161          G4cout<<"G4QLowEnergy::GetMeanFreePath:pair#"<<j<<",N="<<N<<",a="<<abund<<G4endl;
162#endif
163          newAbund->push_back(pr);
164                                                  }
165#ifdef debug
166        G4cout<<"G4QLowEnergy::GetMeanFreePath: pairVectLength="<<newAbund->size()<<G4endl;
167#endif
168        indEl=G4QIsotope::Get()->InitElement(Z,indEl,newAbund); // definition of the newInd
169        for(G4int k=0; k<isoSize; k++) delete (*newAbund)[k];   // Cleaning temporary
170        delete newAbund; // Was "new" in the beginning of the name space
171      }
172    }
173    std::vector<std::pair<G4int,G4double>*>* cs= Isotopes->GetCSVector(Z,indEl);//CSPointer
174    std::vector<G4double>* SPI = new std::vector<G4double>; // Pointer to the SPI vector
175    IsoProbInEl.push_back(SPI);
176    std::vector<G4int>* IsN = new std::vector<G4int>; // Pointer to the N vector
177    ElIsoN.push_back(IsN);
178    G4int nIs=cs->size();                   // A#Of Isotopes in the Element
179#ifdef debug
180    G4cout<<"G4QLowEnergy::GetMFP:***=>,#isot="<<nIs<<", Z="<<Z<<", indEl="<<indEl<<G4endl;
181#endif
182    G4double susi=0.;                       // sum of CS over isotopes
183    if(nIs) for(G4int j=0; j<nIs; j++)      // Calculate CS for eachIsotope of El
184    {
185      std::pair<G4int,G4double>* curIs=(*cs)[j]; // A pointer, which is used twice
186      G4int N=curIs->first;                 // #of Neuterons in the isotope j of El i
187      IsN->push_back(N);                    // Remember Min N for the Element
188#ifdef debug
189      G4cout<<"G4QLowE::GMFP:true,P="<<Momentum<<",Z="<<Z<<",N="<<N<<",PDG="<<pPDG<<G4endl;
190#endif
191                    G4bool ccsf=true;                    // Extract inelastic Ion-Ion cross-section
192#ifdef debug
193      G4cout<<"G4QLowEnergy::GMFP: GetCS #1 j="<<j<<G4endl;
194#endif
195      G4double CSI=CSmanager->GetCrossSection(ccsf,Momentum,Z,N,pPDG);//CS(j,i) for isotope
196#ifdef debug
197      G4cout<<"G4QLowEnergy::GetMeanFreePath: jI="<<j<<", Zt="<<Z<<", Nt="<<N<<", Mom="
198            <<Momentum<<", XSec="<<CSI/millibarn<<G4endl;
199#endif
200      curIs->second = CSI;
201      susi+=CSI;                            // Make a sum per isotopes
202      SPI->push_back(susi);                 // Remember summed cross-section
203    } // End of temporary initialization of the cross sections in the G4QIsotope singeltone
204    sigma+=Isotopes->GetMeanCrossSection(Z,indEl)*NOfNucPerVolume[i];//SUM(MeanCS*NOfNperV)
205#ifdef debug
206    G4cout<<"G4QLowEnergy::GetMeanFreePath:<XS>="<<Isotopes->GetMeanCrossSection(Z,indEl)
207          <<",AddSigm="<<Isotopes->GetMeanCrossSection(Z,indEl)*NOfNucPerVolume[i]<<G4endl;
208#endif
209    ElProbInMat.push_back(sigma);
210  } // End of LOOP over Elements
211  // Check that cross section is not zero and return the mean free path
212#ifdef debug
213  G4cout<<"G4QLowEnergy::GetMeanFreePath: MeanFreePath="<<1./sigma<<G4endl;
214#endif
215  if(sigma > 0.) return 1./sigma;                 // Mean path [distance]
216  return DBL_MAX;
217}
218
219G4bool G4QLowEnergy::IsApplicable(const G4ParticleDefinition& particle) 
220{
221  if      (particle == *(     G4Proton::Proton()     )) return true;
222  else if (particle == *(    G4Neutron::Neutron()    )) return true;
223  else if (particle == *(   G4Deuteron::Deuteron()   )) return true;
224  else if (particle == *(      G4Alpha::Alpha()      )) return true;
225  else if (particle == *(     G4Triton::Triton()     )) return true;
226  else if (particle == *(        G4He3::He3()        )) return true;
227  else if (particle == *( G4GenericIon::GenericIon() )) return true;
228#ifdef debug
229  G4cout<<"***>>G4QLowEnergy::IsApplicable: projPDG="<<particle.GetPDGEncoding()<<G4endl;
230#endif
231  return false;
232}
233
234G4VParticleChange* G4QLowEnergy::PostStepDoIt(const G4Track& track, const G4Step& step)
235{
236  static const G4double mProt= G4QPDGCode(2212).GetMass()/MeV; // CHIPS proton Mass in MeV
237  static const G4double mNeut= G4QPDGCode(2112).GetMass()/MeV; // CHIPS neutron Mass in MeV
238  static const G4double mLamb= G4QPDGCode(3122).GetMass()/MeV; // CHIPS Lambda Mass in MeV
239  static const G4double mDeut= G4QPDGCode(2112).GetNuclMass(1,1,0)/MeV;
240  static const G4double mTrit= G4QPDGCode(2112).GetNuclMass(1,2,0)/MeV;
241  static const G4double mHel3= G4QPDGCode(2112).GetNuclMass(2,1,0)/MeV;
242  static const G4double mAlph= G4QPDGCode(2112).GetNuclMass(2,2,0)/MeV;
243  static const G4ThreeVector zeroMom(0.,0.,0.);
244  static G4ParticleDefinition* aGamma    = G4Gamma::Gamma();
245  static G4ParticleDefinition* aProton   = G4Proton::Proton();
246  static G4ParticleDefinition* aNeutron  = G4Neutron::Neutron();
247  static G4ParticleDefinition* aLambda   = G4Lambda::Lambda();
248  static G4ParticleDefinition* aDeuteron = G4Deuteron::Deuteron();
249  static G4ParticleDefinition* aTriton   = G4Triton::Triton();
250  static G4ParticleDefinition* aHe3      = G4He3::He3();
251  static G4ParticleDefinition* anAlpha   = G4Alpha::Alpha();
252  static const G4int nCh=26;                         // #of combinations
253  static G4QNucleus Nuc;                             // A fake nucleus to call Evaporation
254  //
255  //-------------------------------------------------------------------------------------
256  static G4bool CWinit = true;                       // CHIPS Warld needs to be initted
257  if(CWinit)
258                {
259    CWinit=false;
260    G4QCHIPSWorld::Get()->GetParticles(nPartCWorld); // Create CHIPS World (234 part.max)
261  }
262  //-------------------------------------------------------------------------------------
263  const G4DynamicParticle* projHadron = track.GetDynamicParticle();
264  const G4ParticleDefinition* particle=projHadron->GetDefinition();
265#ifdef debug
266  G4cout<<"G4QLowEnergy::PostStepDoIt: Before the GetMeanFreePath is called In4M="
267        <<projHadron->Get4Momentum()<<" of PDG="<<particle->GetPDGEncoding()<<", Type="
268        <<particle->GetParticleType()<<",SubType="<<particle->GetParticleSubType()<<G4endl;
269#endif
270  //G4ForceCondition cond=NotForced;
271  //GetMeanFreePath(track, -27., &cond);              // @@ ?? jus to update parameters?
272#ifdef debug
273  G4cout<<"G4QLowEnergy::PostStepDoIt: After GetMeanFreePath is called"<<G4endl;
274#endif
275  G4LorentzVector proj4M=(projHadron->Get4Momentum())/MeV; // Convert to MeV!
276  G4double momentum = projHadron->GetTotalMomentum()/MeV; // 3-momentum of the Proj in MeV
277  G4double Momentum = proj4M.rho();                   // @@ Just for the test purposes
278  if(std::fabs(Momentum-momentum)>.000001)
279    G4cerr<<"-Warning-G4QLowEnergy::PostStepDoIt:P_IU="<<Momentum<<"#"<<momentum<<G4endl;
280#ifdef pdebug
281  G4cout<<"G4QLowEnergy::PostStepDoIt: pP(IU)="<<Momentum<<"="<<momentum<<",proj4M/m="
282        <<proj4M<<proj4M.m()<<G4endl;
283#endif
284  if (!IsApplicable(*particle))  // Check applicability
285  {
286    G4cerr<<"G4QLowEnergy::PostStepDoIt: Only NA is implemented."<<G4endl;
287    return 0;
288  }
289  const G4Material* material = track.GetMaterial();      // Get the current material
290  const G4ElementVector* theElementVector = material->GetElementVector();
291  G4int nE=material->GetNumberOfElements();
292#ifdef debug
293  G4cout<<"G4QLowEnergy::PostStepDoIt: "<<nE<<" elements in the material."<<G4endl;
294#endif
295  G4int projPDG=0;                           // PDG Code prototype for the captured hadron
296  // Not all these particles are implemented yet (see Is Applicable)
297  if      (particle ==      G4Proton::Proton()     ) projPDG= 2212;
298  else if (particle ==     G4Neutron::Neutron()    ) projPDG= 2112;
299  else if (particle ==    G4Deuteron::Deuteron()   ) projPDG= 100001002;
300  else if (particle ==       G4Alpha::Alpha()      ) projPDG= 100002004;
301  else if (particle ==      G4Triton::Triton()     ) projPDG= 100001003;
302  else if (particle ==         G4He3::He3()        ) projPDG= 100002003;
303  else if (particle ==  G4GenericIon::GenericIon() )
304  {
305    projPDG=particle->GetPDGEncoding();
306#ifdef debug
307    G4int B=particle->GetBaryonNumber();
308    G4int C=particle->GetPDGCharge();
309    prPDG=100000000+1000*C+B;
310    G4cout<<"G4QLowEnergy::PostStepDoIt: PDG="<<prPDG<<"="<<projPDG<<G4endl;
311#endif
312  }
313  else G4cout<<"-Warning-G4QLowEnergy::PostStepDoIt:Unknown projectile Ion"<<G4endl;
314#ifdef debug
315  G4int prPDG=particle->GetPDGEncoding();
316                G4cout<<"G4QLowEnergy::PostStepDoIt: projPDG="<<projPDG<<", stPDG="<<prPDG<<G4endl;
317#endif
318  if(!projPDG)
319  {
320    G4cerr<<"-Warning-G4QLowEnergy::PostStepDoIt:UndefProjHadron(PDG=0) ->ret 0"<<G4endl;
321    return 0;
322  }
323                // Element treatment
324  G4int EPIM=ElProbInMat.size();
325#ifdef debug
326                G4cout<<"G4QLowEn::PostStDoIt: m="<<EPIM<<", n="<<nE<<",T="<<ElProbInMat[EPIM-1]<<G4endl;
327#endif
328  G4int i=0;
329  if(EPIM>1)
330  {
331    G4double rnd = ElProbInMat[EPIM-1]*G4UniformRand();
332    for(i=0; i<nE; ++i)
333                  {
334#ifdef debug
335                                  G4cout<<"G4QLowEn::PostStepDoIt: EPM["<<i<<"]="<<ElProbInMat[i]<<", r="<<rnd<<G4endl;
336#endif
337      if (rnd<ElProbInMat[i]) break;
338    }
339    if(i>=nE) i=nE-1;                        // Top limit for the Element
340  }
341  G4Element* pElement=(*theElementVector)[i];
342  G4int tZ=static_cast<G4int>(pElement->GetZ());
343#ifdef debug
344                                G4cout<<"G4QLowEnergy::PostStepDoIt: i="<<i<<", Z(element)="<<tZ<<G4endl;
345#endif
346  if(tZ<=0)
347  {
348    G4cerr<<"-Warning-G4QLowEnergy::PostStepDoIt: Element with Z="<<tZ<<G4endl;
349    if(tZ<0) return 0;
350  }
351  std::vector<G4double>* SPI = IsoProbInEl[i];// Vector of summedProbabilities for isotopes
352  std::vector<G4int>* IsN = ElIsoN[i];     // Vector of "#of neutrons" in the isotope El[i]
353  G4int nofIsot=SPI->size();               // #of isotopes in the element i
354#ifdef debug
355                G4cout<<"G4QLowEnergy::PostStepDoIt: nI="<<nofIsot<<", T="<<(*SPI)[nofIsot-1]<<G4endl;
356#endif
357  G4int j=0;
358  if(nofIsot>1)
359  {
360    G4double rndI=(*SPI)[nofIsot-1]*G4UniformRand(); // Randomize the isotop of the Element
361    for(j=0; j<nofIsot; ++j)
362    {
363#ifdef debug
364                                  G4cout<<"G4QLowEnergy::PostStepDoIt: SP["<<j<<"]="<<(*SPI)[j]<<",r="<<rndI<<G4endl;
365#endif
366      if(rndI < (*SPI)[j]) break;
367    }
368    if(j>=nofIsot) j=nofIsot-1;            // Top limit for the isotope
369  }
370  G4int tN =(*IsN)[j]; ;                    // Randomized number of neutrons
371#ifdef debug
372                G4cout<<"G4QLowEnergy::PostStepDoIt: j="<<i<<", N(isotope)="<<tN<<", MeV="<<MeV<<G4endl;
373#endif
374  if(tN<0)
375  {
376    G4cerr<<"-Warning-G4QLowEnergy::PostStepDoIt: Isotope Z="<<tZ<<" has 0>N="<<tN<<G4endl;
377    return 0;
378  }
379  nOfNeutrons=tN;                           // Remember it for the energy-momentum check
380#ifdef debug
381  G4cout<<"G4QLowEnergy::PostStepDoIt: N="<<tN<<" for element with Z="<<tZ<<G4endl;
382#endif
383  if(tN<0)
384  {
385    G4cerr<<"*Warning*G4QLowEnergy::PostStepDoIt:Element with N="<<tN<< G4endl;
386    return 0;
387  }
388  aParticleChange.Initialize(track);
389#ifdef debug
390  G4cout<<"G4QLowEnergy::PostStepDoIt: track is initialized"<<G4endl;
391#endif
392  G4double weight        = track.GetWeight();
393  G4double localtime     = track.GetGlobalTime();
394  G4ThreeVector position = track.GetPosition();
395#ifdef debug
396  G4cout<<"G4QLowEnergy::PostStepDoIt: before Touchable extraction"<<G4endl;
397#endif
398  G4TouchableHandle trTouchable = track.GetTouchableHandle();
399#ifdef debug
400  G4cout<<"G4QLowEnergy::PostStepDoIt: Touchable is extracted"<<G4endl;
401#endif
402  G4QPDGCode targQPDG(90000000+tZ*1000+tN);  // @@ use G4Ion and get rid of CHIPS World
403  G4double tM=targQPDG.GetMass();            // CHIPS target nucleus mass in MeV
404  G4int pL=particle->GetQuarkContent(3)-particle->GetAntiQuarkContent(3); // Strangeness
405  G4int pZ=static_cast<G4int>(particle->GetPDGCharge());  // Charge of the projectile
406  G4int pN=particle->GetBaryonNumber()-pZ-pL;// #of neutrons in projectile
407  G4double pM=targQPDG.GetNuclMass(pZ,pN,0); // CHIPS projectile nucleus mass in MeV
408  G4double cosp=-14*Momentum*(tM-pM)/tM/pM;  // Asymmetry power for angular distribution
409#ifdef debug
410  G4cout<<"G4QLowEnergy::PoStDoIt: Proj("<<pZ<<","<<pN<<","<<pL<<")p="<<pM<<",Targ=("<<tZ
411        <<","<<tN<<"), cosp="<<cosp<<G4endl;
412#endif
413  G4double kinEnergy= projHadron->GetKineticEnergy()*MeV; // Kin energy in MeV (Is *MeV n?)
414  G4ParticleMomentum dir = projHadron->GetMomentumDirection();// It is a unit three-vector
415  G4LorentzVector tot4M=proj4M+G4LorentzVector(0.,0.,0.,tM); // Total 4-mom of the reaction
416#ifdef debug
417  G4cout<<"G4QLowEnergy::PostStepDoIt: tM="<<tM<<",p4M="<<proj4M<<",t4M="<<tot4M<<G4endl;
418#endif
419  EnMomConservation=tot4M;                 // Total 4-mom of reaction for E/M conservation
420  // @@ Probably this is not necessary any more
421#ifdef debug
422  G4cout<<"G4QLE::PSDI:false,P="<<Momentum<<",Z="<<pZ<<",N="<<pN<<",PDG="<<projPDG<<G4endl;
423#endif
424  G4double xSec=CalculateXS(Momentum, tZ, tN, projPDG); // Recalculate CrossSection
425#ifdef debug
426  G4cout<<"G4QLowEn::PSDI:PDG="<<projPDG<<",P="<<Momentum<<",XS="<<xSec/millibarn<<G4endl;
427#endif
428#ifdef nandebug
429  if(xSec>0. || xSec<0. || xSec==0);
430  else  G4cout<<"-Warning-G4QLowEnergy::PostSDI: *NAN* xSec="<<xSec/millibarn<<G4endl;
431#endif
432  // @@ check a possibility to separate p, n, or alpha (!)
433  if(xSec <= 0.) // The cross-section iz 0 -> Do Nothing
434  {
435#ifdef pdebug
436    G4cerr<<"-Warning-G4QLowEnergy::PSDoIt:*Zero cross-section* PDG="<<projPDG
437          <<",Z="<<tZ<<",tN="<<tN<<",P="<<Momentum<<G4endl;
438#endif
439    //Do Nothing Action insead of the reaction
440    aParticleChange.ProposeEnergy(kinEnergy);
441    aParticleChange.ProposeLocalEnergyDeposit(0.);
442    aParticleChange.ProposeMomentumDirection(dir) ;
443    return G4VDiscreteProcess::PostStepDoIt(track,step);
444  }
445  // Kill interacting hadron
446  aParticleChange.ProposeEnergy(0.);
447  aParticleChange.ProposeTrackStatus(fStopAndKill);
448#ifdef debug
449  G4cout<<"G4QLowEn::PSDI: Projectile track is killed"<<G4endl;
450#endif
451  // algorithm implementation --- STARTS HERE --- All calculations are in IU --------
452  G4double totM=tot4M.m(); // total CMS mass of the reaction
453                G4int totN=tN+pN;
454  G4int totZ=tZ+pZ;
455  // @@ Here mass[i] can be calculated if mass=0
456  G4double mass[nCh]={0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,
457                      0.,0.,0.,0.,0.,0.};
458  mass[0] = targQPDG.GetNuclMass(totZ,totN,0); // gamma+gamma
459#ifdef debug
460  G4cout<<"G4QLowEn::PSDI: Nuclear Mass="<<mass[0]<<G4endl;
461#endif
462  if (totN>0 && totZ>0)
463  {
464    mass[1] = targQPDG.GetNuclMass(totZ,totN-1,0); // gamma+neutron
465    mass[2] = targQPDG.GetNuclMass(totZ-1,totN,0); // gamma+proton
466  }
467  if ( (totZ > 0 && totN > 1) || (totN > 0 && totZ > 1) ) 
468     mass[3] = targQPDG.GetNuclMass(totZ-1,totN-1,0); //g+d
469  if ( (totZ > 0 && totN > 2) || (totN > 1 && totZ > 1) ) 
470     mass[4] = targQPDG.GetNuclMass(totZ-1,totN-2,0); //g+t
471  if ( (totZ > 2 && totN > 0) || (totN > 1 && totZ > 1) ) 
472     mass[5] = targQPDG.GetNuclMass(totZ-2,totN-1,0); //g+3
473  if ( (totZ > 2 && totN > 1) || (totN > 2 && totZ > 1) ) 
474     mass[6] = targQPDG.GetNuclMass(totZ-2,totN-2,0); //g+a
475  if ( (totZ > 0 && totN > 1) || totN > 2 ) 
476     mass[7] = targQPDG.GetNuclMass(totZ,totN-2,0); // n+n
477  mass[ 8] = mass[3]; // neutron+proton (the same as a deuteron)
478  if ( (totZ > 1 && totN > 0) || totZ > 2 ) 
479     mass[9] = targQPDG.GetNuclMass(totZ-2,totN,0); // p+p
480  mass[10] = mass[5]; // proton+deuteron (the same as He3)
481  mass[11] = mass[4]; // neutron+deuteron (the same as t)
482  mass[12] = mass[6]; // deuteron+deuteron (the same as alpha)
483  mass[13] = mass[6]; // proton+tritium (the same as alpha)
484  if ( totN > 3 || (totN > 2 && totZ > 0) ) 
485     mass[14] = targQPDG.GetNuclMass(totZ-1,totN-3,0); // n+t
486  if ( totZ > 3 || (totZ > 2 && totN > 0) ) 
487     mass[15] = targQPDG.GetNuclMass(totZ-3,totN-1,0); // He3+p
488  mass[16] = mass[6]; // neutron+He3 (the same as alpha)
489  if ( (totZ > 3 && totN > 1) || (totZ > 2 && totN > 2) ) 
490    mass[17] = targQPDG.GetNuclMass(totZ-3,totN-2,0); // pa
491  if ( (totZ > 1 && totN > 3) || (totZ > 2 && totN > 2) ) 
492    mass[18] = targQPDG.GetNuclMass(totZ-2,totN-3,0); // na
493  if(pL>0)
494  {
495    G4int pL1=pL-1;
496    if(totN>0||totZ>0) mass[19] = targQPDG.GetNuclMass(totZ  ,totN  ,pL1);// Lambda+gamma
497    if( (totN > 0 && totZ > 0) ||        totZ > 1 ) 
498      mass[20]=targQPDG.GetNuclMass(totZ-1,totN  ,pL1);//Lp
499    if( (totN > 0 && totZ > 0) || totN > 0        ) 
500      mass[21]=targQPDG.GetNuclMass(totZ  ,totN-1,pL1);//Ln
501    if( (totN > 1 && totZ > 0) || (totN > 0 && totZ > 1) ) 
502      mass[22]=targQPDG.GetNuclMass(totZ-1,totN-1,pL1);//Ld
503    if( (totN > 2 && totZ > 0) || (totN > 1 && totZ > 1) ) 
504      mass[23]=targQPDG.GetNuclMass(totZ-1,totN-2,pL1);//Lt
505    if( (totN > 0 && totZ > 2) || (totN > 1 && totZ > 1) ) 
506      mass[24]=targQPDG.GetNuclMass(totZ-2,totN-1,pL1);//L3
507    if( (totN > 1 && totZ > 2) || (totN > 2 && totZ > 1) ) 
508      mass[25]=targQPDG.GetNuclMass(totZ-2,totN-2,pL1);//La
509  }
510#ifdef debug
511  G4cout<<"G4QLowEn::PSDI: Residual masses are calculated"<<G4endl;
512#endif
513  G4double tA=tZ+tN; 
514  G4double pA=pZ+pN; 
515  G4double prZ=pZ/pA+tZ/tA;
516  G4double prN=pN/pA+tN/tA;
517  G4double prD=prN*prZ;
518  G4double prA=prD*prD;
519  G4double prH=prD*prZ;
520  G4double prT=prD*prN;
521  G4double fhe3=6.*std::sqrt(tA);
522  G4double prL=0.;
523  if(pL>0) prL=pL/pA;
524  G4double qval[nCh]={0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,
525                      0.,0.,0.,0.,0.,0.};
526  qval[ 0] =  totM - mass[ 0];
527  qval[ 1] = (totM - mass[ 1] - mNeut)*prN;
528  qval[ 2] = (totM - mass[ 2] - mProt)*prZ;
529  qval[ 3] = (totM - mass[ 3] - mDeut)*prD/3.;
530  qval[ 4] = (totM - mass[ 4] - mTrit)*prT/6.;
531  qval[ 5] = (totM - mass[ 5] - mHel3)*prH/fhe3;
532  qval[ 6] = (totM - mass[ 6] - mAlph)*prA/9.;
533  qval[ 7] = (totM - mass[ 7] - mNeut - mNeut)*prN*prN;
534  qval[ 8] = (totM - mass[ 8] - mNeut - mProt)*prD;
535  qval[ 9] = (totM - mass[ 9] - mProt - mProt)*prZ*prZ;
536  qval[10] = (totM - mass[10] - mProt - mDeut)*prH/3.;
537  qval[11] = (totM - mass[11] - mNeut - mDeut)*prT/3.;
538  qval[12] = (totM - mass[12] - mDeut - mDeut)*prA/3./3.;
539  qval[13] = (totM - mass[13] - mProt - mTrit)*prA/6.;
540  qval[14] = (totM - mass[14] - mNeut - mTrit)*prT*prN/6.;
541  qval[15] = (totM - mass[15] - mProt - mHel3)*prH*prZ/fhe3;
542  qval[16] = (totM - mass[16] - mNeut - mHel3)*prA/fhe3;
543  qval[17] = (totM - mass[17] - mProt - mAlph)*prZ*prA/9.;
544  qval[18] = (totM - mass[18] - mNeut - mAlph)*prN*prA/9.;
545  if(pZ>0)
546  {
547    qval[19] = (totM - mass[19] - mLamb)*prL;
548    qval[20] = (totM - mass[20] - mProt - mLamb)*prL*prZ;
549    qval[21] = (totM - mass[21] - mNeut - mLamb)*prL*prN;
550    qval[22] = (totM - mass[22] - mDeut - mLamb)*prL*prD/2.;
551    qval[23] = (totM - mass[23] - mTrit - mLamb)*prL*prT/3.;
552    qval[24] = (totM - mass[24] - mHel3 - mLamb)*prL*prH/fhe3;
553    qval[25] = (totM - mass[25] - mAlph - mLamb)*prL*prA/4;
554  }
555#ifdef debug
556  G4cout<<"G4QLowEn::PSDI: Q-values are calculated, tgA="<<tA<<"prA="<<pA<<G4endl;
557#endif
558
559  if( !pZ && pN==1)
560  {
561    if(G4UniformRand()>(tA-1.)*(tA-1.)/52900.) qval[0] = 0.0;
562    if(G4UniformRand()>kinEnergy/7.925*tA) qval[2]=qval[3]=qval[4]=qval[5]=qval[9]=0.;
563  }
564  else qval[0] = 0.0;
565 
566  G4double qv = 0.0;                        // Total sum of probabilities (q-values)
567  for(G4int i=0; i<nCh; ++i )
568  {
569    if( mass[i] < 500.*MeV ) qval[i] = 0.0; // Close A/Z impossible channels
570    if( qval[i] < 0.0 )      qval[i] = 0.0; // Close the splitting impossible channels
571    qv += qval[i];
572  }
573  // Select the channel
574  G4double qv1 = 0.0;
575  G4double ran = G4UniformRand();
576  G4int index  = 0;
577  for( index=0; index<nCh; ++index )
578  {
579    if( qval[index] > 0.0 )
580    {
581      qv1 += qval[index]/qv;
582      if( ran <= qv1 ) break;
583    }
584  }
585#ifdef debug
586  G4cout<<"G4QLowEn::PSDI: index="<<index<<" < "<<nCh<<G4endl;
587#endif
588  if(index == nCh)
589  {
590    G4cout<<"***G4QLowEnergy::PoStDI:Decay is impossible,totM="<<totM<<",GSM="<<tM<<G4endl;
591    throw G4QException("G4QLowEnergy::PostStepDoIt: Can't decay the Compound");
592  }
593  // @@ Convert it to G4QHadrons   
594  G4DynamicParticle* ResSec = new G4DynamicParticle;
595  G4DynamicParticle* FstSec = new G4DynamicParticle;
596  G4DynamicParticle* SecSec = new G4DynamicParticle;
597#ifdef debug
598  G4cout<<"G4QLowEn::PSDI: Dynamic particles are created pL="<<pL<<G4endl;
599#endif
600
601  G4LorentzVector res4Mom(zeroMom,mass[index]*MeV); // The recoil nucleus prototype
602  G4double mF=0.;
603  G4double mS=0.;
604  G4int    rA=totZ+totN;
605  G4int    rZ=totZ;
606  G4int    rL=pL;
607  G4int complete=3;
608  G4ParticleDefinition* theDefinition;  // Prototype for qfNucleon
609  switch( index )
610  {
611   case 0:
612     if(!evaporate || rA<2)
613     {
614       theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
615       if(!theDefinition)
616         G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
617       ResSec->SetDefinition( theDefinition );
618       FstSec->SetDefinition( aGamma );
619       SecSec->SetDefinition( aGamma );
620     }
621     else
622     {
623       delete ResSec;
624       delete FstSec;
625       delete SecSec;
626       complete=0;
627     }
628     break;
629   case 1:
630     rA-=1;
631     if(!evaporate || rA<2)
632     {
633       theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
634       if(!theDefinition)
635         G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
636       ResSec->SetDefinition( theDefinition );
637       SecSec->SetDefinition( aGamma );
638     }
639     else
640     {
641       delete ResSec;
642       delete SecSec;
643       complete=1;
644     }
645     FstSec->SetDefinition( aNeutron );
646     mF=mNeut; // First hadron 4-momentum
647     break;
648   case 2:
649     rA-=1;
650     rZ-=1;
651     if(!evaporate || rA<2)
652     {
653       theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
654       if(!theDefinition)
655         G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
656       ResSec->SetDefinition( theDefinition );
657       SecSec->SetDefinition( aGamma );
658     }
659     else
660     {
661       delete ResSec;
662       delete SecSec;
663       complete=1;
664     }
665     FstSec->SetDefinition( aProton );
666     mF=mProt; // First hadron 4-momentum
667     break;
668   case 3:
669     rA-=2;
670     rZ-=1;
671     if(!evaporate || rA<2)
672     {
673       theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
674       if(!theDefinition)
675         G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
676       ResSec->SetDefinition( theDefinition );
677       SecSec->SetDefinition( aGamma );
678     }
679     else
680     {
681       delete ResSec;
682       delete SecSec;
683       complete=1;
684     }
685     FstSec->SetDefinition( aDeuteron );
686     mF=mDeut; // First hadron 4-momentum
687     break;
688   case 4:
689     rA-=3;
690     rZ-=1;
691     if(!evaporate || rA<2)
692     {
693       theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
694       if(!theDefinition)
695         G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
696       ResSec->SetDefinition( theDefinition );
697       SecSec->SetDefinition( aGamma );
698     }
699     else
700     {
701       delete ResSec;
702       delete SecSec;
703       complete=1;
704     }
705     FstSec->SetDefinition( aTriton );
706     mF=mTrit; // First hadron 4-momentum
707     break;
708   case 5:
709     rA-=3;
710     rZ-=2;
711     if(!evaporate || rA<2)
712     {
713       theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
714       if(!theDefinition)
715         G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
716       ResSec->SetDefinition( theDefinition );
717       SecSec->SetDefinition( aGamma );
718     }
719     else
720     {
721       delete ResSec;
722       delete SecSec;
723       complete=1;
724     }
725     FstSec->SetDefinition( aHe3);
726     mF=mHel3; // First hadron 4-momentum
727     break;
728   case 6:
729     rA-=4;
730     rZ-=2;
731     if(!evaporate || rA<2)
732     {
733       theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
734       if(!theDefinition)
735         G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
736       ResSec->SetDefinition( theDefinition );
737       SecSec->SetDefinition( aGamma );
738     }
739     else
740     {
741       delete ResSec;
742       delete SecSec;
743       complete=1;
744     }
745     FstSec->SetDefinition( anAlpha );
746     mF=mAlph; // First hadron 4-momentum
747     break;
748   case 7:
749     rA-=2;
750     theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
751     if(!theDefinition)
752       G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
753     ResSec->SetDefinition( theDefinition );
754     FstSec->SetDefinition( aNeutron );
755     SecSec->SetDefinition( aNeutron );
756     mF=mNeut; // First hadron 4-momentum
757     mS=mNeut; // Second hadron 4-momentum
758     break;
759   case 8:
760     rZ-=1;
761     rA-=2;
762     theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
763     if(!theDefinition)
764       G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
765     ResSec->SetDefinition( theDefinition );
766     FstSec->SetDefinition( aNeutron );
767     SecSec->SetDefinition( aProton );
768     mF=mNeut; // First hadron 4-momentum
769     mS=mProt; // Second hadron 4-momentum
770     break;
771   case 9:
772     rZ-=2;
773     rA-=2;
774     theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
775     if(!theDefinition)
776       G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
777     ResSec->SetDefinition( theDefinition );
778     FstSec->SetDefinition( aProton );
779     SecSec->SetDefinition( aProton );
780     mF=mProt; // First hadron 4-momentum
781     mS=mProt; // Second hadron 4-momentum
782     break;
783   case 10:
784     rZ-=2;
785     rA-=3;
786     theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
787     if(!theDefinition)
788       G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
789     ResSec->SetDefinition( theDefinition );
790     FstSec->SetDefinition( aProton );
791     SecSec->SetDefinition( aDeuteron );
792     mF=mProt; // First hadron 4-momentum
793     mS=mDeut; // Second hadron 4-momentum
794     break;
795   case 11:
796     rZ-=1;
797     rA-=3;
798     theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
799     if(!theDefinition)
800       G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
801     ResSec->SetDefinition( theDefinition );
802     FstSec->SetDefinition( aNeutron );
803     SecSec->SetDefinition( aDeuteron );
804     mF=mNeut; // First hadron 4-momentum
805     mS=mDeut; // Second hadron 4-momentum
806     break;
807   case 12:
808     rZ-=2;
809     rA-=4;
810     theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
811     if(!theDefinition)
812       G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
813     ResSec->SetDefinition( theDefinition );
814     FstSec->SetDefinition( aDeuteron );
815     SecSec->SetDefinition( aDeuteron );
816     mF=mDeut; // First hadron 4-momentum
817     mS=mDeut; // Second hadron 4-momentum
818     break;
819   case 13:
820     rZ-=2;
821     rA-=4;
822     theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
823     if(!theDefinition)
824       G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
825     ResSec->SetDefinition( theDefinition );
826     FstSec->SetDefinition( aProton );
827     SecSec->SetDefinition( aTriton );
828     mF=mProt; // First hadron 4-momentum
829     mS=mTrit; // Second hadron 4-momentum
830     break;
831   case 14:
832     rZ-=1;
833     rA-=4;
834     theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
835     if(!theDefinition)
836       G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
837     ResSec->SetDefinition( theDefinition );
838     FstSec->SetDefinition( aNeutron );
839     SecSec->SetDefinition( aTriton );
840     mF=mNeut; // First hadron 4-momentum
841     mS=mTrit; // Second hadron 4-momentum
842     break;
843   case 15:
844     rZ-=3;
845     rA-=4;
846     theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
847     if(!theDefinition)
848       G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
849     ResSec->SetDefinition( theDefinition );
850     FstSec->SetDefinition( aProton);
851     SecSec->SetDefinition( aHe3 );
852     mF=mProt; // First hadron 4-momentum
853     mS=mHel3; // Second hadron 4-momentum
854     break;
855   case 16:
856     rZ-=2;
857     rA-=4;
858     theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
859     if(!theDefinition)
860       G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
861     ResSec->SetDefinition( theDefinition );
862     FstSec->SetDefinition( aNeutron );
863     SecSec->SetDefinition( aHe3 );
864     mF=mNeut; // First hadron 4-momentum
865     mS=mHel3; // Second hadron 4-momentum
866     break;
867   case 17:
868     rZ-=3;
869     rA-=5;
870     theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
871     if(!theDefinition)
872       G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
873     ResSec->SetDefinition( theDefinition );
874     FstSec->SetDefinition( aProton );
875     SecSec->SetDefinition( anAlpha );
876     mF=mProt; // First hadron 4-momentum
877     mS=mAlph; // Second hadron 4-momentum
878     break;
879   case 18:
880     rZ-=2;
881     rA-=5;
882     theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
883     if(!theDefinition)
884       G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
885     ResSec->SetDefinition( theDefinition );
886     FstSec->SetDefinition( aNeutron );
887     SecSec->SetDefinition( anAlpha );
888     mF=mNeut; // First hadron 4-momentum
889     mS=mAlph; // Second hadron 4-momentum
890     break;
891   case 19:
892     theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
893     if(!theDefinition)
894       G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
895     ResSec->SetDefinition( theDefinition );
896     FstSec->SetDefinition( aLambda );
897     SecSec->SetDefinition( aGamma );
898     mF=mLamb; // First hadron 4-momentum
899     break;
900   case 20:
901     rZ-=1;
902     rA-=1;
903     theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
904     if(!theDefinition)
905       G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
906     ResSec->SetDefinition( theDefinition );
907     FstSec->SetDefinition( aProton );
908     SecSec->SetDefinition( aLambda );
909     mF=mProt; // First hadron 4-momentum
910     mS=mLamb; // Second hadron 4-momentum
911     break;
912   case 21:
913     rA-=1;
914     theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
915     if(!theDefinition)
916       G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
917     ResSec->SetDefinition( theDefinition );
918     FstSec->SetDefinition( aNeutron );
919     SecSec->SetDefinition( aLambda );
920     mF=mNeut; // First hadron 4-momentum
921     mS=mLamb; // Second hadron 4-momentum
922     break;
923   case 22:
924     rZ-=1;
925     rA-=2;
926     theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
927     if(!theDefinition)
928       G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
929     ResSec->SetDefinition( theDefinition );
930     FstSec->SetDefinition( aDeuteron );
931     SecSec->SetDefinition( aLambda );
932     mF=mDeut; // First hadron 4-momentum
933     mS=mLamb; // Second hadron 4-momentum
934     break;
935   case 23:
936     rZ-=1;
937     rA-=3;
938     theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
939     if(!theDefinition)
940       G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
941     ResSec->SetDefinition( theDefinition );
942     FstSec->SetDefinition( aTriton );
943     SecSec->SetDefinition( aLambda );
944     mF=mTrit; // First hadron 4-momentum
945     mS=mLamb; // Second hadron 4-momentum
946     break;
947   case 24:
948     rZ-=2;
949     rA-=3;
950     theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
951     if(!theDefinition)
952       G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
953     ResSec->SetDefinition( theDefinition );
954     FstSec->SetDefinition( aHe3 );
955     SecSec->SetDefinition( aLambda );
956     mF=mHel3; // First hadron 4-momentum
957     mS=mLamb; // Second hadron 4-momentum
958     break;
959   case 25:
960     rZ-=2;
961     rA-=4;
962     theDefinition=G4ParticleTable::GetParticleTable()->FindIon(rZ,rA,rL,rZ);
963     if(!theDefinition)
964       G4cerr<<"-Warning-G4LE::PSDI: notDefined, Z="<<rZ<<", A="<<rA<<", L="<<rL<<G4endl;
965     ResSec->SetDefinition( theDefinition );
966     FstSec->SetDefinition( anAlpha );
967     SecSec->SetDefinition( aLambda );
968     mF=mAlph; // First hadron 4-momentum
969     mS=mLamb; // Second hadron 4-momentum
970     break;
971  }
972#ifdef debug
973  G4cout<<"G4QLowEn::PSDI:F="<<mF<<",S="<<mS<<",com="<<complete<<",ev="<<evaporate<<G4endl;
974#endif
975  G4LorentzVector fst4Mom(zeroMom,mF); // Prototype of the first hadron 4-momentum
976  G4LorentzVector snd4Mom(zeroMom,mS); // Prototype of the second hadron 4-momentum
977  G4LorentzVector dir4Mom=tot4M;       // Prototype of the resN decay direction 4-momentum
978  dir4Mom.setE(tot4M.e()/2.);          // Get half energy and total 3-momentum
979  // @@ Can be repeated to take into account the Coulomb Barrier
980  if(!G4QHadron(tot4M).CopDecayIn3(fst4Mom,snd4Mom,res4Mom,dir4Mom,cosp))
981  {                   //                                         
982                  G4cerr<<"**G4LowEnergy::PoStDoIt:i="<<index<<",tM="<<totM<<"->M1="<<res4Mom.m()<<"+M2="
983     <<fst4Mom.m()<<"+M3="<<snd4Mom.m()<<"=="<<res4Mom.m()+fst4Mom.m()+snd4Mom.m()<<G4endl;
984    throw G4QException("G4QLowEnergy::PostStepDoIt: Can't decay the Compound");
985                }                   //                                         
986#ifdef debug
987  G4cout<<"G4QLowEn::PSDI:r4M="<<res4Mom<<",f4M="<<fst4Mom<<",s4M="<<snd4Mom<<G4endl;
988#endif
989  G4Track* aNewTrack = 0;
990  if(complete)
991  {
992    FstSec->Set4Momentum(fst4Mom);
993    aNewTrack = new G4Track(FstSec, localtime, position );
994    aNewTrack->SetWeight(weight);                                   //    weighted
995    aNewTrack->SetTouchableHandle(trTouchable);
996    aParticleChange.AddSecondary( aNewTrack );
997    EnMomConservation-=fst4Mom;
998#ifdef debug
999    G4cout<<"G4QLowEn::PSDI: ***Filled*** 1stH4M="<<fst4Mom<<G4endl;
1000#endif
1001    if(complete>2)                     // Final solution
1002    {
1003      ResSec->Set4Momentum(res4Mom);
1004      aNewTrack = new G4Track(ResSec, localtime, position );
1005      aNewTrack->SetWeight(weight);                                   //    weighted
1006      aNewTrack->SetTouchableHandle(trTouchable);
1007      aParticleChange.AddSecondary( aNewTrack );
1008      EnMomConservation-=res4Mom;
1009#ifdef debug
1010      G4cout<<"G4QLowEn::PSDI: ***Filled*** rA4M="<<res4Mom<<",rZ="<<rZ<<",rA="<<rA<<",rL="
1011            <<rL<<G4endl;
1012#endif
1013      SecSec->Set4Momentum(snd4Mom);
1014      aNewTrack = new G4Track(SecSec, localtime, position );
1015      aNewTrack->SetWeight(weight);                                   //    weighted
1016      aNewTrack->SetTouchableHandle(trTouchable);
1017      aParticleChange.AddSecondary( aNewTrack );
1018      EnMomConservation-=snd4Mom;
1019#ifdef debug
1020      G4cout<<"G4QLowEn::PSDI: ***Filled*** 2ndH4M="<<snd4Mom<<G4endl;
1021#endif
1022    }
1023    else res4Mom+=snd4Mom;
1024  }
1025  else res4Mom=tot4M;
1026  if(complete<3)                        // Evaporation of the residual must be done
1027  {
1028    G4QHadron* rHadron = new G4QHadron(90000000+999*rZ+rA,res4Mom); // Input hadron-nucleus
1029    G4QHadronVector* evaHV = new G4QHadronVector; // Output vector of hadrons (delete!)
1030    Nuc.EvaporateNucleus(rHadron, evaHV);
1031    G4int nOut=evaHV->size();
1032    for(G4int i=0; i<nOut; i++)
1033    {
1034      G4QHadron* curH = (*evaHV)[i];
1035      G4int hPDG=curH->GetPDGCode();
1036      G4LorentzVector h4Mom=curH->Get4Momentum();
1037      EnMomConservation-=h4Mom;
1038#ifdef debug
1039      G4cout<<"G4QLowEn::PSDI: ***FillingCand#"<<i<<"*** evaH="<<hPDG<<h4Mom<<G4endl;
1040#endif
1041      if     (hPDG==90000001 || hPDG==2112) theDefinition = aNeutron;
1042      else if(hPDG==90001000 || hPDG==2212) theDefinition = aProton;
1043      else if(hPDG==91000000 || hPDG==3122) theDefinition = aLambda;
1044      else if(hPDG==     22 )               theDefinition = aGamma;
1045      else
1046      {
1047        G4int hZ=curH->GetCharge();
1048        G4int hA=curH->GetBaryonNumber();
1049        G4int hS=curH->GetStrangeness();
1050        theDefinition = G4ParticleTable::GetParticleTable()->FindIon(hZ,hA,hS,0); // ion
1051      }
1052      if(theDefinition)
1053      {
1054        G4DynamicParticle* theEQH = new G4DynamicParticle(theDefinition,h4Mom);
1055        G4Track* evaQH = new G4Track(theEQH, localtime, position );
1056        evaQH->SetWeight(weight);                                   //    weighted
1057        evaQH->SetTouchableHandle(trTouchable);
1058        aParticleChange.AddSecondary( evaQH );
1059      }
1060      else G4cerr<<"-Warning-G4QLowEnergy::PostStepDoIt: Bad secondary PDG="<<hPDG<<G4endl;
1061    }
1062  }
1063  // algorithm implementation --- STOPS HERE
1064#ifdef debug
1065  G4cout<<"G4QLowEnergy::PostStepDoIt:*** PostStepDoIt is done ***"<<G4endl;
1066#endif
1067  return G4VDiscreteProcess::PostStepDoIt(track, step);
1068}
1069
1070G4double G4QLowEnergy::CalculateXS(G4double p, G4int Z, G4int N, G4int PDG) 
1071{
1072  static G4bool first=true;
1073  static G4VQCrossSection* CSmanager;
1074  if(first)                              // Connection with a singletone
1075  {
1076    CSmanager=G4QIonIonCrossSection::GetPointer();
1077    first=false;
1078  }
1079#ifdef debug
1080                G4cout<<"G4QLowE::CXS: *DONE* p="<<p<<",Z="<<Z<<",N="<<N<<",PDG="<<PDG<<G4endl;
1081#endif
1082  return CSmanager->GetCrossSection(true, p, Z, N, PDG);
1083}
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