TGenerator("UHKM","UHKM"),
fInitialState(0x0),
fAllocator(),
- fSourceList(),
fSecondariesList(),
fNPprim(0),
fNPsec(0),
fHydjetParams(),
fStableFlagged(0)
- // fUseCharmParticles(kFALSE),
- // fMinWidth(0.0),
- // fMaxWidth(10.0),
- // fMinMass(0.0001),
- // fMaxMass(10.0)
{
// default constructor setting reasonable defaults for initial parameters (central Pb+Pb at 5.5 TeV)
- // cout << "TUHKMgen::TUHKMgen() IN" << endl;
+ // ParticleAllocator fAllocator;
+ // List_t fSecondariesList;
// Set reasonable default values for LHC
fHydjetParams.fIenglu=0;
fHydjetParams.fIanglu=0;
*/
-
- strcpy(fParticleFilename, Form("%s/TUHKMgen/UHKM/particles.data", gSystem->Getenv("ALICE_ROOT")));
- strcpy(fDecayFilename, Form("%s/TUHKMgen/UHKM/tabledecay.txt", gSystem->Getenv("ALICE_ROOT")));
+
+ if(strlen(Form("%s/TUHKMgen/UHKM/particles.data", gSystem->Getenv("ALICE_ROOT")))<255)
+ strncpy(fParticleFilename, Form("%s/TUHKMgen/UHKM/particles.data", gSystem->Getenv("ALICE_ROOT")), 256);
+ if(strlen(Form("%s/TUHKMgen/UHKM/tabledecay.txt",gSystem->Getenv("ALICE_ROOT")))<255)
+ strncpy(fDecayFilename, Form("%s/TUHKMgen/UHKM/tabledecay.txt", gSystem->Getenv("ALICE_ROOT")), 256);
for(Int_t i=0; i<500; i++) {
fStableFlagPDG[i] = 0;
fStableFlagStatus[i] = kFALSE;
TUHKMgen::~TUHKMgen()
{
// destructor, deletes the InitialStateHydjet object
- // cout << "TUHKMgen::~TUHKMgen() IN" << endl;
if(fInitialState)
delete fInitialState;
- // cout << "TUHKMgen::~TUHKMgen() OUT" << endl;
}
void TUHKMgen::SetAllParametersRHIC()
// Function overloading the TGenerator::ImportParticles() member function.
// The particles from the local particle list (fSecondariesList) are
// forwarded to the TGenerator::fParticles
- // cout << "TObjArray* TUHKMgen::ImportParticles(Option_t) IN" << endl;
fParticles->Clear();
- // cout << "TObjArray* TUHKMgen::ImportParticles(Option_t): UHKM stack contains " << fNPsec << " particles." << endl;
Int_t nump = 0;
LPIT_t it,e;
- for(it = fSecondariesList.begin(), e = fSecondariesList.end(); it != e; ++it) {
+ for(it = fSecondariesList.begin(), e = fSecondariesList.end(); it != e; it++) {
TVector3 pos(it->Pos().Vect());
TVector3 mom(it->Mom().Vect());
Float_t m1 = it->TableMass();
Int_t id1 = -1;
Int_t id2 = -1;
- // Int_t nd = it->GetNDaughters();
-
Int_t type = it->GetType(); // 0-hydro, 1-jets
if (im1> -1) {
- TParticle *mother = (TParticle*) (fParticles->UncheckedAt(im1));
+ TParticle *mother = (TParticle*) (fParticles->UncheckedAt(im1+1));
mother->SetLastDaughter(nump);
if (mother->GetFirstDaughter()==-1)
- mother->SetFirstDaughter(nump);
+ mother->SetFirstDaughter(nump+1);
}
nump++;
fParticles->Add(p);
} //end for
- fAllocator.FreeList(fSourceList);
fAllocator.FreeList(fSecondariesList);
- // cout << "TObjArray* TUHKMgen::ImportParticles(Option_t) OUT" << endl;
+
return fParticles;
}
// Function overloading the TGenerator::ImportParticles() member function.
// The particles from the local particle list (fSecondariesList) are
// forwarded to the TGenerator::fParticles
- // cout << "Int_t TUHKMgen::ImportParticles(TClonesArray*, Option_t) IN" << endl;
+ option = option; // just to avoid the warning
+
+
if(particles==0) return 0;
TClonesArray &particlesR=*particles;
particlesR.Clear();
-
Int_t numprim,numsec; numprim=numsec=0;
Int_t nump = 0;
LPIT_t it,e;
- // cout << "TUHKMgen::ImportParticles() option(All or Sec) = " << option << endl;
- for(it = fSecondariesList.begin(), e = fSecondariesList.end(); it != e; ++it) {
- //!!! for(Int_t pp=0;pp<100;pp++) {
- // cout << "TUHKMgen::ImportParticles() import particle pdg(" << it->Encoding() << ")" << endl;
- TVector3 pos(it->Pos().Vect()); //
- //!!! TVector3 pos(0.0, 0.1, 0.2);
- TVector3 mom(it->Mom().Vect()); //
- //!!! TVector3 mom(-0.1, 0.1, 0.2);
- Float_t m1 = it->TableMass(); //
- //!!! Float_t m1 = 0.139;
- Int_t im1 = it->GetMother(); //
- //!!! Int_t im1 = (pp<50? -1 : pp-50);
- // Int_t nd = 0;
+ for(it = fSecondariesList.begin(), e = fSecondariesList.end(); it != e; it++) {
+ TVector3 pos(it->Pos().Vect());
+ TVector3 mom(it->Mom().Vect());
+ Float_t m1 = it->TableMass();
+ Int_t im1 = it->GetMother();
Int_t im2 = -1;
Int_t id1 = -1;
Int_t id2 = -1;
- // nd = it->GetNDaughters();
-
- Int_t type = it->GetType(); // // 0-hydro, 1-jets
- //!!! Int_t type = 0;
-
+ Int_t type = it->GetType();
+
if (im1> -1) {
- TParticle *mother = (TParticle*) (particlesR.UncheckedAt(im1+1));
+ // particle not a primary -> set the daughter indexes for the mother particle"<< endl;
+ TParticle *mother = (TParticle*) (particlesR.UncheckedAt(im1));
mother->SetLastDaughter(nump);
- if (mother->GetFirstDaughter()==-1)
- mother->SetFirstDaughter(nump);
- }
-
- nump++;
-
+ if(mother->GetFirstDaughter()==-1)
+ mother->SetFirstDaughter(nump);
+ } else
+ ++numprim;
+
new (particlesR[nump]) TParticle(it->Encoding(), type, //pdg,stat
im1, im2, id1, id2, //m1,m2,d1,d2
mom[0], mom[1], mom[2], TMath::Sqrt(mom.Mag2() + m1 * m1), //px,py,pz,e
pos[0]*1.e-13, pos[1]*1.e-13, pos[2]*1.e-13,
it->T()*1.e-13/3e10); //x,y,z,t
- /*!!! new (particlesR[nump]) TParticle(211, type, //pdg,stat
- im1, im2, id1, id2, //m1,m2,d1,d2
- mom[0], mom[1], mom[2], TMath::Sqrt(mom.Mag2() + m1 * m1), //px,py,pz,e
- pos[0]*1.e-13, pos[1]*1.e-13, pos[2]*1.e-13,
- 0.0*1.e-13/3e10); //x,y,z,t
- !!!*/
-
particlesR[nump]->SetUniqueID(nump);
+ nump++;
numsec++;
}//end for
- fAllocator.FreeList(fSourceList); //
- fAllocator.FreeList(fSecondariesList); //
- // printf("Scan and add prim %d sec %d and all %d particles\n",
- // numprim,numsec,nump);
- // cout << "Int_t TUHKMgen::ImportParticles(TClonesArray*, Option_t) OUT" << endl;
+ fSecondariesList.clear();
+ printf("Scan and add prim %d sec %d and all %d particles\n",
+ numprim,numsec,nump);
return nump;
}
// Function overloading the TGenerator::Initialize() member function.
// The Monte-Carlo model is initialized (input parameters are transmitted,
// particle list and decay channels are loaded, average multiplicities are calculated, etc.)
- // cout << "TUHKMgen::Initialize() IN" << endl;
- fInitialState = new InitialStateHydjet(); //
- SetAllParameters(); //
- fInitialState->LoadPDGInfo(); //
+
+ fInitialState = new InitialStateHydjet();
+ SetAllParameters();
+ fInitialState->LoadPDGInfo();
// set the stable flags
- for(Int_t i=0; i<fStableFlagged; i++) //
- fInitialState->SetPDGParticleStable(fStableFlagPDG[i], fStableFlagStatus[i]); //
+ for(Int_t i=0; i<fStableFlagged; i++)
+ fInitialState->SetPDGParticleStable(fStableFlagPDG[i], fStableFlagStatus[i]);
- if(!fInitialState->MultIni()) //
+ if(!fInitialState->MultIni())
Error("TUHKMgen::Initialize()", "Bad status return from MultIni(). Check it out!! \n"); //
- // cout << "TUHKMgen::Initialize() OUT" << endl;
}
void TUHKMgen::Print(const Option_t*) const
{
- cout << "TUHKMgen::Print() method not implemented yet!!" << endl;
+ cout << "**********************************************************************************" << endl;
+ cout << "* UHKM Generator interface to ROOT::TGenerator *" << endl;
+ cout << "* Documentation: *" << endl;
+ cout << "* I.P.Lokhtin, L.V.Malinina, S.V.Petrushanko, A.M.Snigirev, I.Arsene, K.Tywoniuk *" << endl;
+ cout << "* Comput.Phys.Commun.180:779-799, 2009 *" << endl;
+ cout << "**********************************************************************************" << endl;
}
void TUHKMgen::GenerateEvent()
{
// Member function overloading the TGenerator::GenerateEvent()
// The HYDJET++ model is run and the particle lists (fSourceList and fSecondariesList) are filled
- // cout << "TUHKMgen::GenerateEvent() IN" << endl;
- // cout << "TUHKMgen::GenerateEvent() IN fSourceList " <<endl;
- // cout<< " fInitialStrate "<<fInitialState<<endl; //
- //" fSourceList "<< fSourceList<<" fAllocator "<< fAllocator <<endl;
- // Generate the initial particles
- fInitialState->Initialize(fSourceList, fAllocator); //
- // cout << "TUHKMgen::fInitialState->Initialize" << endl;
+ fInitialState->Initialize(fSecondariesList, fAllocator);
- if(fSourceList.empty()) //
- Error("TUHKMgen::GenerateEvent()", "Source particle list empty after fireball initialization!! \n"); //
+ if(fSecondariesList.empty())Error("TUHKMgen::GenerateEvent()", "Source particle list empty after fireball initialization!! \n"); //
// Run the decays
- // cout << "after Initilize: get_time, weak_decay_limit" <<fInitialState->GetTime()<<fInitialState->GetWeakDecayLimit()<< endl; //
- if(fInitialState->GetTime() >= 0.) //
- fInitialState->Evolve(fSourceList, fSecondariesList, fAllocator, fInitialState->GetWeakDecayLimit()); //
- // cout << "TUHKMgen::GenerateEvent() OUT" << endl;
+ if(fInitialState->RunDecays())
+ fInitialState->Evolve(fSecondariesList, fAllocator, fInitialState->GetWeakDecayLimit());
+
}
void TUHKMgen::SetAllParameters() {
// forward all model input parameters to the InitialStateHydjet object
// which will handle all the Monte-Carlo simulation using HYDJET++ model
- // cout << "TUHKMgen::SetAllParameters() IN" << endl;
-
fInitialState->fParams.fSqrtS = fHydjetParams.fSqrtS;
fInitialState->fParams.fAw = fHydjetParams.fAw;
fInitialState->fParams.fIfb = fHydjetParams.fIfb ;
fInitialState->fParams.fDelta = fHydjetParams.fDelta;
fInitialState->fParams.fEpsilon = fHydjetParams.fEpsilon;
- // fInitialState->fParams.fTime = fHydjetParams.fTime;
fInitialState->fParams.fWeakDecay = fHydjetParams.fWeakDecay;
+ fInitialState->fParams.fDecay = 1; // run decays
fInitialState->fParams.fCorrS = fHydjetParams.fCorrS;
fInitialState->fParams.fEtaType = fHydjetParams.fEtaType;
// fInitialState->SetPDGParticleStable(fStableFlagPDG[i], fStableFlagStatus[i]);
// cout << "TUHKMgen::SetAllParameters() OUT" << endl;
}
-
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff