#include <TParticleClassPDG.h>
#include <TPDGCode.h>
#include <TLorentzVector.h>
-
+#include <TClonesArray.h>
+#include "AliRunLoader.h"
#include "AliGenDPMjet.h"
#include "AliGenDPMjetEventHeader.h"
-#include "AliPythia.h"
#include "AliRun.h"
#include "AliDpmJetRndm.h"
+#include "AliHeader.h"
+#include "AliStack.h"
+#include "AliMC.h"
- ClassImp(AliGenDPMjet)
-
+ClassImp(AliGenDPMjet)
//______________________________________________________________________________
AliGenDPMjet::AliGenDPMjet()
- :AliGenMC()
+ :AliGenMC(),
+ fBeamEn(2750.),
+ fEnergyCMS(5500.),
+ fMinImpactParam(0.),
+ fMaxImpactParam(5.),
+ fICentr(0),
+ fSelectAll(0),
+ fFlavor(0),
+ fTrials(0),
+ fSpectators(1),
+ fSpecn(0),
+ fSpecp(0),
+ fDPMjet(0),
+ fParticles(0),
+ fNoGammas(0),
+ fLHC(0),
+ fPi0Decay(0),
+ fGenImpPar(0.),
+ fProcess(kDpmMb)
{
// Constructor
- fParticles = 0;
- fDPMjet = 0;
AliDpmJetRndm::SetDpmJetRandom(GetRandom());
}
//______________________________________________________________________________
AliGenDPMjet::AliGenDPMjet(Int_t npart)
- :AliGenMC(npart)
+ :AliGenMC(npart),
+ fBeamEn(2750.),
+ fEnergyCMS(5500.),
+ fMinImpactParam(0.),
+ fMaxImpactParam(5.),
+ fICentr(0),
+ fSelectAll(0),
+ fFlavor(0),
+ fTrials(0),
+ fSpectators(1),
+ fSpecn(0),
+ fSpecp(0),
+ fDPMjet(0),
+ fParticles(new TClonesArray("TParticle",10000)),
+ fNoGammas(0),
+ fLHC(0),
+ fPi0Decay(0),
+ fGenImpPar(0.),
+ fProcess(kDpmMb)
{
// Default PbPb collisions at 5. 5 TeV
//
fName = "DPMJET";
fTitle= "Particle Generator using DPMJET";
-
- SetEnergyCMS();
SetTarget();
SetProjectile();
- SetCentral();
- SetImpactParameterRange();
- SetBoostLHC();
-
- fKeep = 0;
- fDecaysOff = 1;
- fEvaluate = 0;
- fSelectAll = 0;
- fFlavor = 0;
- fSpectators = 1;
fVertex.Set(3);
-
- fParticles = new TClonesArray("TParticle",10000);
-
- // Set random number generator
- fDPMjet = 0;
- // Instance AliPythia
- AliPythia::Instance();
AliDpmJetRndm::SetDpmJetRandom(GetRandom());
}
AliGenDPMjet::AliGenDPMjet(const AliGenDPMjet &/*Dpmjet*/)
-:AliGenMC()
+ :AliGenMC(),
+ fBeamEn(2750.),
+ fEnergyCMS(5500.),
+ fMinImpactParam(0.),
+ fMaxImpactParam(5.),
+ fICentr(0),
+ fSelectAll(0),
+ fFlavor(0),
+ fTrials(0),
+ fSpectators(1),
+ fSpecn(0),
+ fSpecp(0),
+ fDPMjet(0),
+ fParticles(0),
+ fNoGammas(0),
+ fLHC(0),
+ fPi0Decay(0),
+ fGenImpPar(0.),
+ fProcess(kDpmMb)
{
+ // Dummy copy constructor
}
//______________________________________________________________________________
// Destructor
delete fParticles;
}
-
-
//______________________________________________________________________________
void AliGenDPMjet::Init()
{
fDPMjet->SetfFCentr(fICentr);
fDPMjet->SetbRange(fMinImpactParam, fMaxImpactParam);
-
+ fDPMjet->SetPi0Decay(fPi0Decay);
//
// Initialize DPMjet
//
SetHighWaterMark(nt);
}
-
-//______________________________________________________________________________
-void AliGenDPMjet::KeepFullEvent()
-{
- fKeep=1;
-}
-
-
-//______________________________________________________________________________
-/*void AliGenDPMjet::EvaluateCrossSections()
-{
-// Glauber Calculation of geometrical x-section
-//
- Float_t xTot = 0.; // barn
- Float_t xTotHard = 0.; // barn
- Float_t xPart = 0.; // barn
- Float_t xPartHard = 0.; // barn
- Float_t sigmaHard = 0.1; // mbarn
- Float_t bMin = 0.;
- Float_t bMax = fDPMjet->GetProjRadius()+fDPMjet->GetTargRadius();
- const Float_t kdib = 0.2;
- Int_t kMax = Int_t((bMax-bMin)/kdib)+1;
-
-
- printf("\n Projectile Radius (fm): %f \n",fDPMjet->GetProjRadius());
- printf("\n Target Radius (fm): %f \n",fDPMjet->GetTargRadius());
- Int_t i;
- Float_t oldvalue= 0.;
-
- Float_t* b = new Float_t[kMax];
- Float_t* si1 = new Float_t[kMax];
- Float_t* si2 = new Float_t[kMax];
-
- for (i = 0; i < kMax; i++)
- {
- Float_t xb = bMin+i*kdib;
- Float_t ov;
- ov=fDPMjet->Profile(xb);
- // ATT!->Manca la x-sec anel. nucleone-nucleone
- Float_t gb = 2.*0.01*fDPMjet->TMath::Pi()*kdib*xb*(1.-TMath::Exp(-fDPMjet->GetXSFrac()*ov));
- Float_t gbh = 2.*0.01*fDPMjet->TMath::Pi()*kdib*xb*sigmaHard*ov;
- xTot+=gb;
- xTotHard += gbh;
- if (xb > fMinImpactParam && xb < fMaxImpactParam)
- {
- xPart += gb;
- xPartHard += gbh;
- }
-
- if(oldvalue) if ((xTot-oldvalue)/oldvalue<0.0001) break;
- oldvalue = xTot;
- printf("\n Total cross section (barn): %d %f %f \n",i, xb, xTot);
- printf("\n Hard cross section (barn): %d %f %f \n\n",i, xb, xTotHard);
- if (i>0) {
- si1[i] = gb/kdib;
- si2[i] = gbh/gb;
- b[i] = xb;
- }
- }
-
- printf("\n Total cross section (barn): %f \n",xTot);
- printf("\n Hard cross section (barn): %f \n \n",xTotHard);
- printf("\n Partial cross section (barn): %f %f \n",xPart, xPart/xTot*100.);
- printf("\n Partial hard cross section (barn): %f %f \n",xPartHard, xPartHard/xTotHard*100.);
-
-// Store result as a graph
- b[0] = 0;
- si1[0] = 0;
- si2[0]=si2[1];
-
- fDsigmaDb = new TGraph(i, b, si1);
- fDnDb = new TGraph(i, b, si2);
-}*/
-
-
//______________________________________________________________________________
Bool_t AliGenDPMjet::DaughtersSelection(TParticle* iparticle)
{
((AliGenDPMjetEventHeader*) header)->SetTotalEnergy(fDPMjet->GetTotEnergy());
((AliGenDPMjetEventHeader*) header)->SetParticipants(fDPMjet->GetfIp(),
fDPMjet->GetfIt());
-
+ ((AliGenDPMjetEventHeader*) header)->SetProcessType(fDPMjet->GetProcessCode());
// Bookkeeping for kinematic bias
((AliGenDPMjetEventHeader*) header)->SetTrials(fTrials);
// Event Vertex
header->SetPrimaryVertex(fVertex);
gAlice->SetGenEventHeader(header);
+ AddHeader(header);
}
+void AliGenDPMjet::AddHeader(AliGenEventHeader* header)
+{
+ // Add header to container or runloader
+ if (fContainer) {
+ fContainer->AddHeader(header);
+ } else {
+ AliRunLoader::GetRunLoader()->GetHeader()->SetGenEventHeader(header);
+ }
+}
//______________________________________________________________________________
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff