fDPMjet(0),
fNoGammas(0),
fLHC(0),
- fPi0Decay(0),
+ fPi0Decay(1),
fDecayAll(0),
fGenImpPar(0.),
- fProcess(kDpmMb)
+ fProcess(kDpmMb),
+ fTriggerMultiplicity(0),
+ fTriggerMultiplicityEta(0),
+ fTriggerMultiplicityPtMin(0),
+ fkTuneForDiff(0),
+ fProcDiff(0)
{
// Constructor
fEnergyCMS = 5500.;
fDPMjet(0),
fNoGammas(0),
fLHC(0),
- fPi0Decay(0),
+ fPi0Decay(1),
fDecayAll(0),
fGenImpPar(0.),
- fProcess(kDpmMb)
+ fProcess(kDpmMb),
+ fTriggerMultiplicity(0),
+ fTriggerMultiplicityEta(0),
+ fTriggerMultiplicityPtMin(0),
+ fkTuneForDiff(0),
+ fProcDiff(0)
{
// Default PbPb collisions at 5. 5 TeV
//
fDPMjet(0),
fNoGammas(0),
fLHC(0),
- fPi0Decay(0),
+ fPi0Decay(1),
fDecayAll(0),
fGenImpPar(0.),
- fProcess(kDpmMb)
+ fProcess(kDpmMb),
+ fTriggerMultiplicity(0),
+ fTriggerMultiplicityEta(0),
+ fTriggerMultiplicityPtMin(0),
+ fkTuneForDiff(0),
+ fProcDiff(0)
{
// Dummy copy constructor
fEnergyCMS = 5500.;
{
// Generate one event
- Float_t polar[3] = {0,0,0};
- Float_t origin[3] = {0,0,0};
- Float_t p[3];
+ Double_t polar[3] = {0,0,0};
+ Double_t origin[3] = {0,0,0};
+ Double_t p[4] = {0};
Float_t tof;
// converts from mm/c to s
fSpecp = 0;
// --------------------------------------------------------------------------
fDPMjet->GenerateEvent();
+
fTrials++;
fDPMjet->ImportParticles(&fParticles,"All");
// Temporaneo
fGenImpPar = fDPMjet->GetBImpac();
-
+
+ if(TMath::Abs(fXingAngleY) > 1.e-10) BeamCrossAngle();
+
Int_t np = fParticles.GetEntriesFast();
- printf("\n **************************************************%d\n",np);
- Int_t nc=0;
- if (np==0) continue;
+ //
+ // Multiplicity Trigger
+ if (fTriggerMultiplicity > 0) {
+ Int_t multiplicity = 0;
+ for (Int_t i = 0; i < np; i++) {
+ TParticle * iparticle = (TParticle *) fParticles.At(i);
+
+ Int_t statusCode = iparticle->GetStatusCode();
+
+ // Initial state particle
+ if (statusCode != 1)
+ continue;
+ // eta cut
+ if (fTriggerMultiplicityEta > 0 && TMath::Abs(iparticle->Eta()) > fTriggerMultiplicityEta)
+ continue;
+ // pt cut
+ if (iparticle->Pt() < fTriggerMultiplicityPtMin)
+ continue;
+
+ TParticlePDG* pdgPart = iparticle->GetPDG();
+ if (pdgPart && pdgPart->Charge() == 0)
+ continue;
+ ++multiplicity;
+ }
+ //
+ //
+ if (multiplicity < fTriggerMultiplicity) continue;
+ Printf("Triggered on event with multiplicity of %d >= %d", multiplicity, fTriggerMultiplicity);
+ }
+
+
+ if(fkTuneForDiff && (TMath::Abs(fEnergyCMS - 900) < 1)) {
+ if(!CheckDiffraction() ) continue;
+ }
+
+
+ Int_t nc = 0;
+ if (np == 0) continue;
+
Int_t i;
Int_t* newPos = new Int_t[np];
Int_t* pSelected = new Int_t[np];
if (!fSelectAll) selected = KinematicSelection(iparticle, 0) &&
SelectFlavor(kf);
+
+
hasSelectedDaughters = DaughtersSelection(iparticle);
+
// Put particle on the stack if it is either selected or
// it is the mother of at least one seleted particle
p[0] = iparticle->Px();
p[1] = iparticle->Py();
p[2] = iparticle->Pz();
+ p[3] = iparticle->Energy();
origin[0] = fVertex[0]+iparticle->Vx()/10; // [cm]
origin[1] = fVertex[1]+iparticle->Vy()/10; // [cm]
origin[2] = fVertex[2]+iparticle->Vz()/10; // [cm]
- tof = kconv*iparticle->T();
+ tof = fTime + kconv*iparticle->T();
imo = -1;
TParticle* mother = 0;
imo = (mother->GetPdgCode() != 92 && mother->GetPdgCode() != 99999) ? newPos[imo] : -1;
} // if has mother
+
+
Bool_t tFlag = (fTrackIt && (ks == 1));
- PushTrack(tFlag,imo,kf,p,origin,polar,tof,kPNoProcess,nt, 1., ks);
+ PushTrack(tFlag, imo, kf,
+ p[0], p[1], p[2], p[3],
+ origin[0], origin[1], origin[2], tof,
+ polar[0], polar[1], polar[2],
+ kPNoProcess, nt, 1., ks);
KeepTrack(nt);
newPos[i] = nt;
} // if selected
//______________________________________________________________________________
void AliGenDPMjet::MakeHeader()
{
+// printf("MakeHeader %13.3f \n", fDPMjet->GetBImpac());
// Builds the event header, to be called after each event
AliGenEventHeader* header = new AliGenDPMjetEventHeader("DPMJET");
((AliGenDPMjetEventHeader*) header)->SetNProduced(fDPMjet->GetNumStablePc());
((AliGenDPMjetEventHeader*) header)->SetImpactParameter(fDPMjet->GetBImpac());
((AliGenDPMjetEventHeader*) header)->SetTotalEnergy(fDPMjet->GetTotEnergy());
- ((AliGenDPMjetEventHeader*) header)->SetParticipants(fDPMjet->GetfIp(),
- fDPMjet->GetfIt());
- ((AliGenDPMjetEventHeader*) header)->SetProcessType(fDPMjet->GetProcessCode());
-// Bookkeeping for kinematic bias
+ ((AliGenDPMjetEventHeader*) header)->SetParticipants(fDPMjet->GetProjParticipants(),
+ fDPMjet->GetTargParticipants());
+
+ if(fProcDiff>0){
+ ((AliGenDPMjetEventHeader*) header)->SetProcessType(fProcDiff);
+ }
+ else
+ ((AliGenDPMjetEventHeader*) header)->SetProcessType(fDPMjet->GetProcessCode());
+
+ // Bookkeeping for kinematic bias
((AliGenDPMjetEventHeader*) header)->SetTrials(fTrials);
-// Event Vertex
+ // Event Vertex
header->SetPrimaryVertex(fVertex);
+ header->SetInteractionTime(fTime);
gAlice->SetGenEventHeader(header);
AddHeader(header);
}
fDPMjet->Dt_Dtuout();
}
+
+
+Bool_t AliGenDPMjet::CheckDiffraction()
+{
+
+ // printf("AAA\n");
+
+ Int_t np = fParticles.GetEntriesFast();
+
+ Int_t iPart1=-1;
+ Int_t iPart2=-1;
+
+ Double_t y1 = 1e10;
+ Double_t y2 = -1e10;
+
+ const Int_t kNstable=20;
+ const Int_t pdgStable[20] = {
+ 22, // Photon
+ 11, // Electron
+ 12, // Electron Neutrino
+ 13, // Muon
+ 14, // Muon Neutrino
+ 15, // Tau
+ 16, // Tau Neutrino
+ 211, // Pion
+ 321, // Kaon
+ 311, // K0
+ 130, // K0s
+ 310, // K0l
+ 2212, // Proton
+ 2112, // Neutron
+ 3122, // Lambda_0
+ 3112, // Sigma Minus
+ 3222, // Sigma Plus
+ 3312, // Xsi Minus
+ 3322, // Xsi0
+ 3334 // Omega
+ };
+ for (Int_t i = 0; i < np; i++) {
+ TParticle * part = (TParticle *) fParticles.At(i);
+
+ Int_t statusCode = part->GetStatusCode();
+
+ // Initial state particle
+ if (statusCode != 1)
+ continue;
+
+ Int_t pdg = TMath::Abs(part->GetPdgCode());
+ Bool_t isStable = kFALSE;
+ for (Int_t i1 = 0; i1 < kNstable; i1++) {
+ if (pdg == pdgStable[i1]) {
+ isStable = kTRUE;
+ break;
+ }
+ }
+ if(!isStable)
+ continue;
+
+ Double_t y = part->Y();
+
+ if (y < y1)
+ {
+ y1 = y;
+ iPart1 = i;
+ }
+ if (y > y2)
+ {
+ y2 = y;
+ iPart2 = i;
+ }
+ }
+
+ if(iPart1<0 || iPart2<0) return kFALSE;
+
+ y1=TMath::Abs(y1);
+ y2=TMath::Abs(y2);
+
+ TParticle * part1 = (TParticle *) fParticles.At(iPart1);
+ TParticle * part2 = (TParticle *) fParticles.At(iPart2);
+
+ Int_t pdg1 = part1->GetPdgCode();
+ Int_t pdg2 = part2->GetPdgCode();
+
+
+ Int_t iPart = -1;
+ if (pdg1 == 2212 && pdg2 == 2212)
+ {
+ if(y1 > y2)
+ iPart = iPart1;
+ else if(y1 < y2)
+ iPart = iPart2;
+ else {
+ iPart = iPart1;
+ if((AliDpmJetRndm::GetDpmJetRandom())->Uniform(0.,1.)>0.5) iPart = iPart2;
+ }
+ }
+ else if (pdg1 == 2212)
+ iPart = iPart1;
+ else if (pdg2 == 2212)
+ iPart = iPart2;
+
+
+
+
+
+ Double_t M=-1.;
+ if(iPart>0) {
+ TParticle * part = (TParticle *) fParticles.At(iPart);
+ Double_t E= part->Energy();
+ Double_t P= part->P();
+ M= TMath::Sqrt((fEnergyCMS-E-P)*(fEnergyCMS-E+P));
+ }
+
+const Int_t nbin=120;
+Double_t bin[]={
+1.080000, 1.274258, 1.468516, 1.662773, 1.857031, 2.051289,
+2.245547, 2.439805, 2.634062, 2.828320, 3.022578, 3.216836,
+3.411094, 3.605352, 3.799609, 3.993867, 4.188125, 4.382383,
+4.576641, 4.770898, 4.965156, 5.547930, 6.130703, 6.713477,
+7.296250, 7.879023, 8.461797, 9.044570, 9.627344, 10.210117,
+10.792891, 11.375664, 11.958437, 12.541211, 13.123984, 13.706758,
+14.289531, 14.872305, 15.455078, 16.037852, 16.620625, 17.203398,
+17.786172, 18.368945, 18.951719, 19.534492, 20.117266, 20.700039,
+21.282812, 21.865586, 22.448359, 23.031133, 23.613906, 24.196680,
+24.779453, 25.362227, 25.945000, 26.527773, 27.110547, 27.693320,
+28.276094, 28.858867, 29.441641, 30.024414, 30.607187, 31.189961,
+31.772734, 32.355508, 32.938281, 33.521055, 34.103828, 34.686602,
+35.269375, 35.852148, 36.434922, 37.017695, 37.600469, 38.183242,
+38.766016, 39.348789, 39.931562, 40.514336, 41.097109, 41.679883,
+42.262656, 42.845430, 43.428203, 44.010977, 44.593750, 45.176523,
+45.759297, 46.342070, 46.924844, 47.507617, 48.090391, 48.673164,
+49.255937, 49.838711, 50.421484, 57.220508, 64.019531, 70.818555,
+77.617578, 84.416602, 91.215625, 98.014648, 104.813672, 111.612695,
+118.411719, 125.210742, 132.009766, 138.808789, 145.607812, 152.406836,
+159.205859, 166.004883, 172.803906, 179.602930, 186.401953, 193.200977,
+200.000000};
+Double_t w[]={
+1.000000, 0.367136, 0.239268, 0.181139, 0.167470, 0.160072,
+0.147832, 0.162765, 0.176103, 0.156382, 0.146040, 0.143375,
+0.134038, 0.126747, 0.123152, 0.119424, 0.113839, 0.109433,
+0.107180, 0.104690, 0.096427, 0.090603, 0.083706, 0.077206,
+0.074603, 0.069698, 0.067315, 0.064980, 0.063560, 0.059573,
+0.058712, 0.057581, 0.055944, 0.055442, 0.053272, 0.051769,
+0.051672, 0.049284, 0.048980, 0.048797, 0.047434, 0.047039,
+0.046395, 0.046227, 0.044288, 0.044743, 0.043772, 0.043902,
+0.042771, 0.043232, 0.042222, 0.041668, 0.041988, 0.040858,
+0.039672, 0.040069, 0.040274, 0.039438, 0.039903, 0.039083,
+0.038741, 0.038182, 0.037664, 0.038610, 0.038759, 0.038688,
+0.038039, 0.038220, 0.038145, 0.037445, 0.036765, 0.037333,
+0.036753, 0.036405, 0.036339, 0.037659, 0.036139, 0.036706,
+0.035393, 0.037136, 0.036570, 0.035234, 0.036832, 0.035560,
+0.035509, 0.035579, 0.035100, 0.035471, 0.035421, 0.034494,
+0.035596, 0.034935, 0.035810, 0.034324, 0.035355, 0.034323,
+0.033486, 0.034622, 0.034805, 0.034419, 0.033946, 0.033927,
+0.034224, 0.033942, 0.034088, 0.034190, 0.034620, 0.035294,
+0.035650, 0.035378, 0.036028, 0.035933, 0.036753, 0.037171,
+0.037528, 0.037985, 0.039589, 0.039359, 0.040269, 0.040755};
+
+ Double_t wSD=1.;
+ Double_t wDD=0.100418;
+ Double_t wND=0.050277;
+
+ if(M>-1 && M<bin[0]) return kFALSE;
+ if(M>bin[nbin]) M=-1;
+
+ Int_t procType=fDPMjet->GetProcessCode();//fPythia->GetMSTI(1);
+ Int_t proc0=2;
+ if(procType== 7) proc0=1;
+ if(procType== 5 || procType== 6) proc0=0;
+
+
+ // printf("M = %f bin[nbin] = %f\n",M, bin[nbin]);
+
+ Int_t proc=2;
+ if(M>0) proc=0;
+ else if(proc0==1) proc=1;
+
+ if(proc==0 && (AliDpmJetRndm::GetDpmJetRandom())->Uniform(0.,1.) > wSD) return kFALSE;
+ if(proc==1 && (AliDpmJetRndm::GetDpmJetRandom())->Uniform(0.,1.) > wDD) return kFALSE;
+ if(proc==2 && (AliDpmJetRndm::GetDpmJetRandom())->Uniform(0.,1.) > wND) return kFALSE;
+
+
+ // if(proc==1 || proc==2) return kFALSE;
+
+ if(proc!=0) {
+ if(proc0!=0) fProcDiff = procType;
+ else fProcDiff = 1;
+ return kTRUE;
+ }
+
+ Int_t ibin=nbin-1;
+ for(Int_t i=1; i<=nbin; i++)
+ if(M<=bin[i]) {
+ ibin=i-1;
+ // printf("Mi> %f && Mi< %f\n", bin[i-1], bin[i]);
+ break;
+ }
+
+ // printf("w[ibin] = %f\n", w[ibin]);
+
+ if((AliDpmJetRndm::GetDpmJetRandom())->Uniform(0.,1.)> w[ibin]) return kFALSE;
+
+ // printf("iPart = %d\n", iPart);
+
+ if(iPart==iPart1) fProcDiff=5;
+ else if(iPart==iPart2) fProcDiff=6;
+ else {
+ printf("EROOR: iPart!=iPart1 && iPart!=iPart2\n");
+
+ }
+
+ return kTRUE;
+}
+
//______________________________________________________________________________
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff