#include <TDatabasePDG.h>
#include <TParticle.h>
#include <TPDGCode.h>
+#include <TObjArray.h>
#include <TSystem.h>
#include <TTree.h>
#include "AliConst.h"
#include "AliDecayerPythia.h"
#include "AliGenPythia.h"
+#include "AliFastGlauber.h"
#include "AliHeader.h"
#include "AliGenPythiaEventHeader.h"
#include "AliPythia.h"
#include "AliStack.h"
#include "AliRunLoader.h"
#include "AliMC.h"
+#include "AliLog.h"
#include "PyquenCommon.h"
+#include "AliLog.h"
ClassImp(AliGenPythia)
AliGenPythia::AliGenPythia():
AliGenMC(),
fProcess(kPyCharm),
+ fItune(-1),
fStrucFunc(kCTEQ5L),
fKineBias(0.),
fTrials(0),
fGinit(1),
fGfinal(1),
fHadronisation(1),
+ fPatchOmegaDalitz(0),
fNpartons(0),
fReadFromFile(0),
fQuench(0),
+ fQhat(0.),
+ fLength(0.),
+ fImpact(0.),
fPtKick(1.),
fFullEvent(kTRUE),
fDecayer(new AliDecayerPythia()),
fTriggerEta(0.9),
fTriggerMultiplicity(0),
fTriggerMultiplicityEta(0),
+ fTriggerMultiplicityPtMin(0),
fCountMode(kCountAll),
fHeader(0),
fRL(0),
- fFileName(0),
+ fkFileName(0),
fFragPhotonInCalo(kFALSE),
fPi0InCalo(kFALSE) ,
fPhotonInCalo(kFALSE),
+ fEleInEMCAL(kFALSE),
fCheckEMCAL(kFALSE),
fCheckPHOS(kFALSE),
fCheckPHOSeta(kFALSE),
fFragPhotonOrPi0MinPt(0),
fPhotonMinPt(0),
+ fElectronMinPt(0),
fPHOSMinPhi(219.),
fPHOSMaxPhi(321.),
fPHOSEta(0.13),
fEMCALMinPhi(79.),
fEMCALMaxPhi(191.),
- fEMCALEta(0.71)
-
+ fEMCALEta(0.71),
+ fkTuneForDiff(0),
+ fProcDiff(0)
{
// Default Constructor
fEnergyCMS = 5500.;
- SetNuclei(0,0);
if (!AliPythiaRndm::GetPythiaRandom())
AliPythiaRndm::SetPythiaRandom(GetRandom());
}
AliGenPythia::AliGenPythia(Int_t npart)
:AliGenMC(npart),
fProcess(kPyCharm),
+ fItune(-1),
fStrucFunc(kCTEQ5L),
fKineBias(0.),
fTrials(0),
fGinit(kTRUE),
fGfinal(kTRUE),
fHadronisation(kTRUE),
+ fPatchOmegaDalitz(0),
fNpartons(0),
fReadFromFile(kFALSE),
fQuench(kFALSE),
+ fQhat(0.),
+ fLength(0.),
+ fImpact(0.),
fPtKick(1.),
fFullEvent(kTRUE),
fDecayer(new AliDecayerPythia()),
fTriggerEta(0.9),
fTriggerMultiplicity(0),
fTriggerMultiplicityEta(0),
+ fTriggerMultiplicityPtMin(0),
fCountMode(kCountAll),
fHeader(0),
fRL(0),
- fFileName(0),
+ fkFileName(0),
fFragPhotonInCalo(kFALSE),
fPi0InCalo(kFALSE) ,
fPhotonInCalo(kFALSE),
+ fEleInEMCAL(kFALSE),
fCheckEMCAL(kFALSE),
fCheckPHOS(kFALSE),
fCheckPHOSeta(kFALSE),
fFragPhotonOrPi0MinPt(0),
fPhotonMinPt(0),
+ fElectronMinPt(0),
fPHOSMinPhi(219.),
fPHOSMaxPhi(321.),
fPHOSEta(0.13),
fEMCALMinPhi(79.),
fEMCALMaxPhi(191.),
- fEMCALEta(0.71)
+ fEMCALEta(0.71),
+ fkTuneForDiff(0),
+ fProcDiff(0)
{
// default charm production at 5. 5 TeV
// semimuonic decay
// Set random number generator
if (!AliPythiaRndm::GetPythiaRandom())
AliPythiaRndm::SetPythiaRandom(GetRandom());
- SetNuclei(0,0);
}
AliGenPythia::~AliGenPythia()
if (fReadFromFile) {
- fRL = AliRunLoader::Open(fFileName, "Partons");
+ fRL = AliRunLoader::Open(fkFileName, "Partons");
fRL->LoadKinematics();
fRL->LoadHeader();
} else {
fRL = 0x0;
}
//
- fPythia->ProcInit(fProcess,fEnergyCMS,fStrucFunc);
+ fPythia->ProcInit(fProcess,fEnergyCMS,fStrucFunc, fItune);
// Forward Paramters to the AliPythia object
fDecayer->SetForceDecay(fForceDecay);
// Switch off Heavy Flavors on request
fParentSelect[1] = 421;
fParentSelect[2] = 431;
fParentSelect[3] = 4122;
+ fParentSelect[4] = 4232;
+ fParentSelect[5] = 4132;
+ fParentSelect[6] = 4332;
fFlavorSelect = 4;
break;
case kPyD0PbPbMNR:
fParentSelect[0] = 431;
fFlavorSelect = 4;
break;
+ case kPyLambdacppMNR:
+ fParentSelect[0] = 4122;
+ fFlavorSelect = 4;
+ break;
case kPyBeauty:
+ case kPyBeautyJets:
case kPyBeautyPbPbMNR:
case kPyBeautypPbMNR:
case kPyBeautyppMNR:
fParentSelect[0] = 443;
break;
case kPyMbDefault:
+ case kPyMbAtlasTuneMC09:
case kPyMb:
+ case kPyMbWithDirectPhoton:
case kPyMbNonDiffr:
case kPyMbMSEL1:
case kPyJets:
Warning("Init","SetNuclei used. Use SetProjectile + SetTarget instead. fDyBoost has been reset to 0\n");
}
- if (fQuench) {
+ fPythia->SetPARJ(200, 0.0);
+ fPythia->SetPARJ(199, 0.0);
+ fPythia->SetPARJ(198, 0.0);
+ fPythia->SetPARJ(197, 0.0);
+
+ if (fQuench == 1) {
fPythia->InitQuenching(0., 0.1, 0.6e6, 0);
}
- fPythia->SetPARJ(200, 0.0);
if (fQuench == 3) {
// Nestor's change of the splittings
fPythia->SetMSTJ(47, 0); // No correction back to hard scattering element
fPythia->SetMSTJ(50, 0); // No coherence in first branching
fPythia->SetPARJ(82, 1.); // Cut off for parton showers
+ } else if (fQuench == 4) {
+ // Armesto-Cunqueiro-Salgado change of the splittings.
+ AliFastGlauber* glauber = AliFastGlauber::Instance();
+ glauber->Init(2);
+ //read and store transverse almonds corresponding to differnt
+ //impact parameters.
+ glauber->SetCentralityClass(0.,0.1);
+ fPythia->SetPARJ(200, 1.);
+ fPythia->SetPARJ(198, fQhat);
+ fPythia->SetPARJ(199, fLength);
+ fPythia->SetMSTJ(42, 2); // angular ordering
+ fPythia->SetMSTJ(44, 2); // option to run alpha_s
+ fPythia->SetPARJ(82, 1.); // Cut off for parton showers
}
}
if (!fPythia) fPythia=(AliPythia*) fMCEvGen;
fDecayer->ForceDecay();
- Float_t polar[3] = {0,0,0};
- Float_t origin[3] = {0,0,0};
- Float_t p[4];
+ Double_t polar[3] = {0,0,0};
+ Double_t origin[3] = {0,0,0};
+ Double_t p[4];
// converts from mm/c to s
const Float_t kconv=0.001/2.999792458e8;
//
// Switch hadronisation off
//
fPythia->SetMSTJ(1, 0);
+
+ if (fQuench ==4){
+ Double_t bimp;
+ // Quenching comes through medium-modified splitting functions.
+ AliFastGlauber::Instance()->GetRandomBHard(bimp);
+ fPythia->SetPARJ(197, bimp);
+ fImpact = bimp;
+ fPythia->Qpygin0();
+ }
//
// Either produce new event or read partons from file
//
}
fNpartons = fPythia->GetN();
} else {
- printf("Loading Event %d\n",AliRunLoader::GetRunLoader()->GetEventNumber());
- fRL->GetEvent(AliRunLoader::GetRunLoader()->GetEventNumber());
+ printf("Loading Event %d\n",AliRunLoader::Instance()->GetEventNumber());
+ fRL->GetEvent(AliRunLoader::Instance()->GetEventNumber());
fPythia->SetN(0);
LoadEvent(fRL->Stack(), 0 , 1);
fPythia->Pyedit(21);
//
// .. and perform hadronisation
// printf("Calling hadronisation %d\n", fPythia->GetN());
- fPythia->Pyexec();
+
+ if (fPatchOmegaDalitz) {
+ fPythia->SetMDCY(fPythia->Pycomp(111) ,1, 0);
+ fPythia->Pyexec();
+ fPythia->DalitzDecays();
+ fPythia->SetMDCY(fPythia->Pycomp(111) ,1, 1);
+ }
+ fPythia->Pyexec();
}
-
-
fTrials++;
fPythia->ImportParticles(&fParticles,"All");
- Boost();
+
+ if (TMath::Abs(fDyBoost) > 1.e-4) Boost();
+ if(TMath::Abs(fXingAngleY) > 1.e-10) BeamCrossAngle();
+
//
//
//
Int_t nTkbles = 0; // Trackable particles
if (fProcess != kPyMbDefault &&
fProcess != kPyMb &&
+ fProcess != kPyMbAtlasTuneMC09 &&
+ fProcess != kPyMbWithDirectPhoton &&
fProcess != kPyJets &&
fProcess != kPyDirectGamma &&
fProcess != kPyMbNonDiffr &&
fProcess != kPyW &&
fProcess != kPyZ &&
fProcess != kPyCharmppMNRwmi &&
- fProcess != kPyBeautyppMNRwmi) {
+ fProcess != kPyBeautyppMNRwmi &&
+ fProcess != kPyBeautyJets) {
for (i = 0; i < np; i++) {
TParticle* iparticle = (TParticle *) fParticles.At(i);
//
Int_t i, kf, nt, iparent;
Int_t nc = 0;
- Float_t p[4];
- Float_t polar[3] = {0,0,0};
- Float_t origin[3] = {0,0,0};
+ Double_t p[4];
+ Double_t polar[3] = {0,0,0};
+ Double_t origin[3] = {0,0,0};
// converts from mm/c to s
const Float_t kconv=0.001/2.999792458e8;
Int_t* pParent = new Int_t[np];
for (i=0; i< np; i++) pParent[i] = -1;
- if (fProcess == kPyJets || fProcess == kPyDirectGamma) {
+ if (fProcess == kPyJets || fProcess == kPyDirectGamma || fProcess == kPyBeautyJets || fProcess == kPyBeautyppMNRwmi) {
TParticle* jet1 = (TParticle *) fParticles.At(6);
TParticle* jet2 = (TParticle *) fParticles.At(7);
if (!CheckTrigger(jet1, jet2)) {
Int_t pdg = 0;
if (fFragPhotonInCalo) pdg = 22 ; // Photon
- else if (fPi0InCalo) pdg = 111 ; // Pi0
+ else if (fPi0InCalo) pdg = 111 ; // Pi0
for (i=0; i< np; i++) {
TParticle* iparticle = (TParticle *) fParticles.At(i);
Int_t imother = iparticle->GetFirstMother() - 1;
TParticle* pmother = (TParticle *) fParticles.At(imother);
if(pdg == 111 ||
- (pdg == 22 && pmother->GetStatusCode() != 11))//No photon from hadron decay
+ (pdg == 22 && pmother->GetStatusCode() != 11)) //No photon from hadron decay
{
Float_t phi = iparticle->Phi()*180./TMath::Pi(); //Convert to degrees
- Float_t eta =TMath::Abs(iparticle->Eta());//in calos etamin=-etamax
+ Float_t eta =TMath::Abs(iparticle->Eta()); //in calos etamin=-etamax
if((fCheckEMCAL && IsInEMCAL(phi,eta)) ||
(fCheckPHOS && IsInPHOS(phi,eta)) )
ok =kTRUE;
}
}
}
- if(!ok)
+ if(!ok) {
+ delete[] pParent;
+ return 0;
+ }
+ }
+
+ // Select beauty jets with electron in EMCAL
+ if (fProcess == kPyBeautyJets && fEleInEMCAL) {
+
+ Bool_t ok = kFALSE;
+
+ Int_t pdg = 11; //electron
+
+ Float_t pt = 0.;
+ Float_t eta = 0.;
+ Float_t phi = 0.;
+ for (i=0; i< np; i++) {
+ TParticle* iparticle = (TParticle *) fParticles.At(i);
+ if(iparticle->GetStatusCode()==1 && TMath::Abs(iparticle->GetPdgCode())==pdg &&
+ iparticle->Pt() > fElectronMinPt){
+ pt = iparticle->Pt();
+ phi = iparticle->Phi()*180./TMath::Pi(); //Convert to degrees
+ eta =TMath::Abs(iparticle->Eta()); //in calos etamin=-etamax
+ if(IsInEMCAL(phi,eta))
+ ok =kTRUE;
+ }
+ }
+ if(!ok) {
+ delete[] pParent;
return 0;
+ }
+
+ AliDebug(5,Form("Found an electron jet (pt,eta,phi) = (%f,%f,%f)",pt,eta,phi));
}
-
+ // Check for diffraction
+ if(fkTuneForDiff) {
+ if(fItune==320) {
+ if(!CheckDiffraction()) {
+ delete [] pParent;
+ return 0;
+ }
+ }
+ }
+
// Check for minimum multiplicity
if (fTriggerMultiplicity > 0) {
Int_t multiplicity = 0;
Int_t statusCode = iparticle->GetStatusCode();
// Initial state particle
- if (statusCode > 20)
- continue;
-
- // skip quarks and gluons
- Int_t pdgCode = TMath::Abs(iparticle->GetPdgCode());
- if (pdgCode <= 10 || pdgCode == 21)
+ 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;
delete [] pParent;
return 0;
}
-
- Printf("Triggered on event with multiplicity of %d > %d", multiplicity, fTriggerMultiplicity);
+ Printf("Triggered on event with multiplicity of %d >= %d", multiplicity, fTriggerMultiplicity);
}
// Select events with a photon pt > min pt going to PHOS eta acceptance or exactly PHOS eta phi
if(!okd && iphcand != -1) // execute rotation in phi
RotatePhi(iphcand,okd);
- if(!okd)
- return 0;
+ if(!okd) {
+ delete [] pParent;
+ return 0;
+ }
}
if (fTriggerParticle) {
// Check if there is a ccbar or bbbar pair with at least one of the two
// in fYMin < y < fYMax
- if (fProcess == kPyCharmppMNRwmi || fProcess == kPyBeautyppMNRwmi) {
- TParticle *hvq;
+
+ if (fProcess == kPyCharmppMNRwmi || fProcess == kPyBeautyppMNRwmi || fProcess == kPyBeautyJets) {
+ TParticle *partCheck;
+ TParticle *mother;
Bool_t theQ=kFALSE,theQbar=kFALSE,inYcut=kFALSE;
- Float_t yQ;
- Int_t pdgQ;
+ Bool_t theChild=kFALSE;
+ Bool_t triggered=kFALSE;
+ Float_t y;
+ Int_t pdg,mpdg,mpdgUpperFamily;
for(i=0; i<np; i++) {
- hvq = (TParticle*)fParticles.At(i);
- pdgQ = hvq->GetPdgCode();
- if(TMath::Abs(pdgQ) != fFlavorSelect) continue;
- if(pdgQ>0) { theQ=kTRUE; } else { theQbar=kTRUE; }
- yQ = 0.5*TMath::Log((hvq->Energy()+hvq->Pz()+1.e-13)/
- (hvq->Energy()-hvq->Pz()+1.e-13));
- if(yQ>fYMin && yQ<fYMax) inYcut=kTRUE;
+ partCheck = (TParticle*)fParticles.At(i);
+ pdg = partCheck->GetPdgCode();
+ if(TMath::Abs(pdg) == fFlavorSelect) { // quark
+ if(pdg>0) { theQ=kTRUE; } else { theQbar=kTRUE; }
+ y = 0.5*TMath::Log((partCheck->Energy()+partCheck->Pz()+1.e-13)/
+ (partCheck->Energy()-partCheck->Pz()+1.e-13));
+ if(y>fYMin && y<fYMax) inYcut=kTRUE;
+ }
+ if(fTriggerParticle) {
+ if(TMath::Abs(pdg)==fTriggerParticle) triggered=kTRUE;
+ }
+ if(fCutOnChild && TMath::Abs(pdg) == fPdgCodeParticleforAcceptanceCut) {
+ Int_t mi = partCheck->GetFirstMother() - 1;
+ if(mi<0) continue;
+ mother = (TParticle*)fParticles.At(mi);
+ mpdg=TMath::Abs(mother->GetPdgCode());
+ mpdgUpperFamily=(mpdg>1000 ? mpdg+1000 : mpdg+100); // keep e from c from b
+ if ( ParentSelected(mpdg) ||
+ (fFlavorSelect==5 && ParentSelected(mpdgUpperFamily))) {
+ if (KinematicSelection(partCheck,1)) {
+ theChild=kTRUE;
+ }
+ }
+ }
}
- if (!theQ || !theQbar || !inYcut) {
+ if (!theQ || !theQbar || !inYcut) { // one of the c/b conditions not satisfied
delete[] pParent;
return 0;
}
+ if (fCutOnChild && !theChild) { // one of the child conditions not satisfied
+ delete[] pParent;
+ return 0;
+ }
+ if(fTriggerParticle && !triggered) { // particle requested is not produced
+ delete[] pParent;
+ return 0;
+ }
+
}
//Introducing child cuts in case kPyW, kPyZ, kPyMb, and kPyMbNonDiff
fProcess == kPyZ ||
fProcess == kPyMbDefault ||
fProcess == kPyMb ||
+ fProcess == kPyMbAtlasTuneMC09 ||
+ fProcess == kPyMbWithDirectPhoton ||
fProcess == kPyMbNonDiffr)
&& (fCutOnChild == 1) ) {
if ( !CheckKinematicsOnChild() ) {
Int_t km = iparticle->GetFirstMother();
if ((ks == 1 && kf!=0 && KinematicSelection(iparticle, 0)) ||
(ks != 1) ||
- (fProcess == kPyJets && ks == 21 && km == 0 && i>1)) {
+ ((fProcess == kPyJets || fProcess == kPyBeautyJets) && ks == 21 && km == 0 && i>1)) {
nc++;
if (ks == 1) trackIt = 1;
Int_t ipa = iparticle->GetFirstMother()-1;
polar[0], polar[1], polar[2],
kPPrimary, nt, 1., ks);
fNprimaries++;
- //
- // Special Treatment to store color-flow
- //
- if (ks == 3 || ks == 13 || ks == 14) {
- TParticle* particle = 0;
- if (fStack) {
- particle = fStack->Particle(nt);
- } else {
- particle = gAlice->Stack()->Particle(nt);
- }
- particle->SetFirstDaughter(fPythia->GetK(2, i));
- particle->SetLastDaughter(fPythia->GetK(3, i));
- }
-
KeepTrack(nt);
pParent[i] = nt;
SetHighWaterMark(nt);
fHeader = new AliGenPythiaEventHeader("Pythia");
//
// Event type
+ if(fProcDiff>0){
+ // if(fProcDiff == 92 || fProcDiff == 93) printf("\n\n\n\n\n");
+ // printf("fPythia->GetMSTI(1) = %d fProcDiff = %d\n",fPythia->GetMSTI(1), fProcDiff);
+ ((AliGenPythiaEventHeader*) fHeader)->SetProcessType(fProcDiff);
+ }
+ else
((AliGenPythiaEventHeader*) fHeader)->SetProcessType(fPythia->GetMSTI(1));
//
// Number of trials
//
// Event Vertex
fHeader->SetPrimaryVertex(fVertex);
-
+ fHeader->SetInteractionTime(fEventTime);
//
// Number of primaries
fHeader->SetNProduced(fNprimaries);
//
// Jets that have triggered
- if (fProcess == kPyJets || fProcess == kPyDirectGamma)
+ //Need to store jets for b-jet studies too!
+ if (fProcess == kPyJets || fProcess == kPyDirectGamma || fProcess == kPyBeautyJets || fProcess == kPyBeautyppMNRwmi)
{
Int_t ntrig, njet;
Float_t jets[4][10];
// Store quenching parameters
//
if (fQuench){
- Double_t z[4];
- Double_t xp, yp;
+ Double_t z[4] = {0.};
+ Double_t xp = 0.;
+ Double_t yp = 0.;
+
if (fQuench == 1) {
// Pythia::Quench()
fPythia->GetQuenchingParameters(xp, yp, z);
- } else {
+ } else if (fQuench == 2){
// Pyquen
Double_t r1 = PARIMP.rb1;
Double_t r2 = PARIMP.rb2;
xp = r * TMath::Cos(phi);
yp = r * TMath::Sin(phi);
+ } else if (fQuench == 4) {
+ // QPythia
+ Double_t xy[2];
+ Double_t i0i1[2];
+ AliFastGlauber::Instance()->GetSavedXY(xy);
+ AliFastGlauber::Instance()->GetSavedI0I1(i0i1);
+ xp = xy[0];
+ yp = xy[1];
+ ((AliGenPythiaEventHeader*) fHeader)->SetImpactParameter(fImpact);
}
+
((AliGenPythiaEventHeader*) fHeader)->SetXYJet(xp, yp);
((AliGenPythiaEventHeader*) fHeader)->SetZQuench(z);
- }
+ }
//
// Store pt^hard
((AliGenPythiaEventHeader*) fHeader)->SetPtHard(fPythia->GetVINT(47));
fHeader = 0x0;
}
-Bool_t AliGenPythia::CheckTrigger(TParticle* jet1, TParticle* jet2)
+Bool_t AliGenPythia::CheckTrigger(const TParticle* jet1, const TParticle* jet2)
{
// Check the kinematic trigger condition
//
pdg[1] = jet2->GetPdgCode();
Bool_t triggered = kFALSE;
- if (fProcess == kPyJets) {
+ if (fProcess == kPyJets || fProcess == kPyBeautyJets || fProcess == kPyBeautyppMNRwmi) {
Int_t njets = 0;
Int_t ntrig = 0;
Float_t jets[4][10];
void AliGenPythia::LoadEvent(AliStack* stack, Int_t flag, Int_t reHadr)
{
-//
-// Load event into Pythia Common Block
-//
-
- Int_t npart = stack -> GetNprimary();
- Int_t n0 = 0;
-
- if (!flag) {
- (fPythia->GetPyjets())->N = npart;
- } else {
- n0 = (fPythia->GetPyjets())->N;
- (fPythia->GetPyjets())->N = n0 + npart;
- }
+ //
+ // Load event into Pythia Common Block
+ //
+
+ Int_t npart = stack -> GetNprimary();
+ Int_t n0 = 0;
+
+ if (!flag) {
+ (fPythia->GetPyjets())->N = npart;
+ } else {
+ n0 = (fPythia->GetPyjets())->N;
+ (fPythia->GetPyjets())->N = n0 + npart;
+ }
+
+
+ for (Int_t part = 0; part < npart; part++) {
+ TParticle *mPart = stack->Particle(part);
+ Int_t kf = mPart->GetPdgCode();
+ Int_t ks = mPart->GetStatusCode();
+ Int_t idf = mPart->GetFirstDaughter();
+ Int_t idl = mPart->GetLastDaughter();
- for (Int_t part = 0; part < npart; part++) {
- TParticle *mPart = stack->Particle(part);
-
- Int_t kf = mPart->GetPdgCode();
- Int_t ks = mPart->GetStatusCode();
- Int_t idf = mPart->GetFirstDaughter();
- Int_t idl = mPart->GetLastDaughter();
-
- if (reHadr) {
+ if (reHadr) {
if (ks == 11 || ks == 12) {
- ks -= 10;
- idf = -1;
- idl = -1;
+ ks -= 10;
+ idf = -1;
+ idl = -1;
}
+ }
+
+ Float_t px = mPart->Px();
+ Float_t py = mPart->Py();
+ Float_t pz = mPart->Pz();
+ Float_t e = mPart->Energy();
+ Float_t m = mPart->GetCalcMass();
+
+
+ (fPythia->GetPyjets())->P[0][part+n0] = px;
+ (fPythia->GetPyjets())->P[1][part+n0] = py;
+ (fPythia->GetPyjets())->P[2][part+n0] = pz;
+ (fPythia->GetPyjets())->P[3][part+n0] = e;
+ (fPythia->GetPyjets())->P[4][part+n0] = m;
+
+ (fPythia->GetPyjets())->K[1][part+n0] = kf;
+ (fPythia->GetPyjets())->K[0][part+n0] = ks;
+ (fPythia->GetPyjets())->K[3][part+n0] = idf + 1;
+ (fPythia->GetPyjets())->K[4][part+n0] = idl + 1;
+ (fPythia->GetPyjets())->K[2][part+n0] = mPart->GetFirstMother() + 1;
+ }
+}
+
+void AliGenPythia::LoadEvent(const TObjArray* stack, Int_t flag, Int_t reHadr)
+{
+ //
+ // Load event into Pythia Common Block
+ //
+
+ Int_t npart = stack -> GetEntries();
+ Int_t n0 = 0;
+
+ if (!flag) {
+ (fPythia->GetPyjets())->N = npart;
+ } else {
+ n0 = (fPythia->GetPyjets())->N;
+ (fPythia->GetPyjets())->N = n0 + npart;
+ }
+
+
+ for (Int_t part = 0; part < npart; part++) {
+ TParticle *mPart = dynamic_cast<TParticle *>(stack->At(part));
+ if (!mPart) continue;
+
+ Int_t kf = mPart->GetPdgCode();
+ Int_t ks = mPart->GetStatusCode();
+ Int_t idf = mPart->GetFirstDaughter();
+ Int_t idl = mPart->GetLastDaughter();
+
+ if (reHadr) {
+ if (ks == 11 || ks == 12) {
+ ks -= 10;
+ idf = -1;
+ idl = -1;
}
-
- Float_t px = mPart->Px();
- Float_t py = mPart->Py();
- Float_t pz = mPart->Pz();
- Float_t e = mPart->Energy();
- Float_t m = mPart->GetCalcMass();
-
-
- (fPythia->GetPyjets())->P[0][part+n0] = px;
- (fPythia->GetPyjets())->P[1][part+n0] = py;
- (fPythia->GetPyjets())->P[2][part+n0] = pz;
- (fPythia->GetPyjets())->P[3][part+n0] = e;
- (fPythia->GetPyjets())->P[4][part+n0] = m;
-
- (fPythia->GetPyjets())->K[1][part+n0] = kf;
- (fPythia->GetPyjets())->K[0][part+n0] = ks;
- (fPythia->GetPyjets())->K[3][part+n0] = idf + 1;
- (fPythia->GetPyjets())->K[4][part+n0] = idl + 1;
- (fPythia->GetPyjets())->K[2][part+n0] = mPart->GetFirstMother() + 1;
}
+
+ Float_t px = mPart->Px();
+ Float_t py = mPart->Py();
+ Float_t pz = mPart->Pz();
+ Float_t e = mPart->Energy();
+ Float_t m = mPart->GetCalcMass();
+
+
+ (fPythia->GetPyjets())->P[0][part+n0] = px;
+ (fPythia->GetPyjets())->P[1][part+n0] = py;
+ (fPythia->GetPyjets())->P[2][part+n0] = pz;
+ (fPythia->GetPyjets())->P[3][part+n0] = e;
+ (fPythia->GetPyjets())->P[4][part+n0] = m;
+
+ (fPythia->GetPyjets())->K[1][part+n0] = kf;
+ (fPythia->GetPyjets())->K[0][part+n0] = ks;
+ (fPythia->GetPyjets())->K[3][part+n0] = idf + 1;
+ (fPythia->GetPyjets())->K[4][part+n0] = idl + 1;
+ (fPythia->GetPyjets())->K[2][part+n0] = mPart->GetFirstMother() + 1;
+ }
}
return;
}
-Bool_t AliGenPythia::IsInEMCAL(Float_t phi, Float_t eta)
+Bool_t AliGenPythia::IsInEMCAL(Float_t phi, Float_t eta) const
{
// Is particle in EMCAL acceptance?
// phi in degrees, etamin=-etamax
return kFALSE;
}
-Bool_t AliGenPythia::IsInPHOS(Float_t phi, Float_t eta)
+Bool_t AliGenPythia::IsInPHOS(Float_t phi, Float_t eta) const
{
// Is particle in PHOS acceptance?
// Acceptance slightly larger considered.
//calculate the new position random between fPHOSMinPhi and fPHOSMaxPhi
Double_t phiPHOSmin = TMath::Pi()*fPHOSMinPhi/180;
Double_t phiPHOSmax = TMath::Pi()*fPHOSMaxPhi/180;
- Double_t phiPHOS = gRandom->Uniform(phiPHOSmin,phiPHOSmax);
+ Double_t phiPHOS = (AliPythiaRndm::GetPythiaRandom())->Uniform(phiPHOSmin,phiPHOSmax);
//calculate deltaphi
TParticle* ph = (TParticle *) fParticles.At(iphcand);
//loop for all particles and produce the phi rotation
Int_t np = (fHadronisation) ? fParticles.GetEntriesFast() : fNpartons;
Double_t oldphi, newphi;
- Double_t newVx, newVy, R, Vz, time;
- Double_t newPx, newPy, pt, Pz, e;
+ Double_t newVx, newVy, r, vZ, time;
+ Double_t newPx, newPy, pt, pz, e;
for(Int_t i=0; i< np; i++) {
TParticle* iparticle = (TParticle *) fParticles.At(i);
oldphi = iparticle->Phi();
if(newphi < 0) newphi = 2*TMath::Pi() + newphi; // correct angle
if(newphi > 2*TMath::Pi()) newphi = newphi - 2*TMath::Pi(); // correct angle
- R = iparticle->R();
- newVx = R*TMath::Cos(newphi);
- newVy = R*TMath::Sin(newphi);
- Vz = iparticle->Vz(); // don't transform
+ r = iparticle->R();
+ newVx = r * TMath::Cos(newphi);
+ newVy = r * TMath::Sin(newphi);
+ vZ = iparticle->Vz(); // don't transform
time = iparticle->T(); // don't transform
pt = iparticle->Pt();
- newPx = pt*TMath::Cos(newphi);
- newPy = pt*TMath::Sin(newphi);
- Pz = iparticle->Pz(); // don't transform
- e = iparticle->Energy(); // don't transform
+ newPx = pt * TMath::Cos(newphi);
+ newPy = pt * TMath::Sin(newphi);
+ pz = iparticle->Pz(); // don't transform
+ e = iparticle->Energy(); // don't transform
// apply rotation
- iparticle->SetProductionVertex(newVx, newVy, Vz, time);
- iparticle->SetMomentum(newPx, newPy, Pz, e);
+ iparticle->SetProductionVertex(newVx, newVy, vZ, time);
+ iparticle->SetMomentum(newPx, newPy, pz, e);
} //end particle loop
}
-#ifdef never
-void AliGenPythia::Streamer(TBuffer &R__b)
+
+Bool_t AliGenPythia::CheckDiffraction()
{
- // Stream an object of class AliGenPythia.
-
- if (R__b.IsReading()) {
- Version_t R__v = R__b.ReadVersion(); if (R__v) { }
- AliGenerator::Streamer(R__b);
- R__b >> (Int_t&)fProcess;
- R__b >> (Int_t&)fStrucFunc;
- R__b >> (Int_t&)fForceDecay;
- R__b >> fEnergyCMS;
- R__b >> fKineBias;
- R__b >> fTrials;
- fParentSelect.Streamer(R__b);
- fChildSelect.Streamer(R__b);
- R__b >> fXsection;
-// (AliPythia::Instance())->Streamer(R__b);
- R__b >> fPtHardMin;
- R__b >> fPtHardMax;
-// if (fDecayer) fDecayer->Streamer(R__b);
- } else {
- R__b.WriteVersion(AliGenPythia::IsA());
- AliGenerator::Streamer(R__b);
- R__b << (Int_t)fProcess;
- R__b << (Int_t)fStrucFunc;
- R__b << (Int_t)fForceDecay;
- R__b << fEnergyCMS;
- R__b << fKineBias;
- R__b << fTrials;
- fParentSelect.Streamer(R__b);
- fChildSelect.Streamer(R__b);
- R__b << fXsection;
-// R__b << fPythia;
- R__b << fPtHardMin;
- R__b << fPtHardMax;
- // fDecayer->Streamer(R__b);
- }
-}
-#endif
+ // use this method only with Perugia-0 tune!
+
+ // printf("AAA\n");
+
+ Int_t np = (fHadronisation) ? fParticles.GetEntriesFast() : fNpartons;
+
+ 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((AliPythiaRndm::GetPythiaRandom())->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));
+ }
+
+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, 0.275812, 0.267308, 0.263268, 0.263828, 0.263039,
+0.260546, 0.259344, 0.255477, 0.253782, 0.253562, 0.252492,
+0.251076, 0.247862, 0.248933, 0.243599, 0.244255, 0.238506,
+0.239546, 0.237845, 0.237977, 0.229379, 0.224771, 0.217581,
+0.208860, 0.207241, 0.198955, 0.196449, 0.193827, 0.190220,
+0.184715, 0.183067, 0.178325, 0.175887, 0.171299, 0.168718,
+0.167453, 0.165153, 0.163457, 0.159637, 0.156855, 0.155488,
+0.154545, 0.155968, 0.150488, 0.148797, 0.145358, 0.146196,
+0.145891, 0.142752, 0.145072, 0.141265, 0.141857, 0.138462,
+0.142992, 0.141357, 0.139391, 0.139629, 0.135197, 0.135731,
+0.133194, 0.137190, 0.135745, 0.134522, 0.136094, 0.130405,
+0.128371, 0.131680, 0.130591, 0.133539, 0.129370, 0.128254,
+0.128262, 0.131088, 0.128294, 0.130070, 0.124553, 0.131489,
+0.128038, 0.122997, 0.130699, 0.125630, 0.124746, 0.123679,
+0.127864, 0.125776, 0.126272, 0.121492, 0.124929, 0.122221,
+0.127017, 0.123706, 0.122701, 0.123731, 0.122219, 0.120783,
+0.120324, 0.120228, 0.123615, 0.120589, 0.119549, 0.118836,
+0.118146, 0.120175, 0.122031, 0.122076, 0.122849, 0.122627,
+0.126281, 0.127696, 0.129084, 0.130001, 0.134062, 0.134786,
+0.137286, 0.136625, 0.139091, 0.143692, 0.144781, 0.146768};
+
+ Double_t wSD=1.;
+ Double_t wDD=0.178783;
+ //Double_t wND=0.220200;
+ Double_t wND=0.220200+0.001;
+
+ if(M>-1 && M<bin[0]) return kFALSE;
+ if(M>bin[nbin]) M=-1;
+
+ Int_t procType=fPythia->GetMSTI(1);
+ Int_t proc0=2;
+ if(procType== 94) proc0=1;
+ if(procType== 92 || procType== 93) 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 && (AliPythiaRndm::GetPythiaRandom())->Uniform(0.,1.) > wSD) return kFALSE;
+ if(proc==1 && (AliPythiaRndm::GetPythiaRandom())->Uniform(0.,1.) > wDD) return kFALSE;
+ if(proc==2 && (AliPythiaRndm::GetPythiaRandom())->Uniform(0.,1.) > wND) return kFALSE;
+
+
+ // if(proc==1 || proc==2) return kFALSE;
+
+ if(proc!=0) {
+ if(proc0!=0) fProcDiff = procType;
+ else fProcDiff = 95;
+ return kTRUE;
+ }
+
+ Int_t ibin=-1;
+ for(Int_t i=0; i<nbin; i++)
+ if(M>bin[i] && M<=bin[i+1]) {
+ ibin=i;
+ // printf("Mi> %f && Mi< %f\n", bin[i], bin[i+1]);
+ break;
+ }
+
+ // printf("w[ibin] = %f\n", w[ibin]);
+
+ if((AliPythiaRndm::GetPythiaRandom())->Uniform(0.,1.)> w[ibin]) return kFALSE;
+
+ // printf("iPart = %d\n", iPart);
+
+ if(iPart==iPart1) fProcDiff=93;
+ else if(iPart==iPart2) fProcDiff=92;
+ else {
+ printf("EROOR: iPart!=iPart1 && iPart!=iPart2\n");
+
+ }
+
+ return kTRUE;
+}
git://git.uio.no / u / mrichter / AliRoot.git / blobdiff