#include <TArrayF.h>
#include <TCanvas.h>
#include <TClonesArray.h>
#include <TDatabasePDG.h>
#include <TF1.h>
#include <TH1.h>
#include <TPDGCode.h>
#include <TParticle.h>
#include <TROOT.h>
#include <TVirtualMC.h>
#include <TLorentzVector.h>
#include "AliConst.h"
#include "AliDecayer.h"
#include "AliGenEventHeaderTunedPbPb.h"
#include "AliLog.h"
#include "AliRun.h"
#include "AliGenTunedOnPbPb.h"
ClassImp(AliGenTunedOnPbPb)
Int_t AliGenTunedOnPbPb::fgPdgInput[fgNspecies] = {211,-211,111,321,-321,2212,-2212,310,3122,-3122,333,3312,-3312,3334,-3334};
Float_t AliGenTunedOnPbPb::fgMult[fgNspecies] = {450,450,450,70,70,21,21,70,20,20,8,2.4,2.4,0.4,0.4};
Float_t AliGenTunedOnPbPb::fgV3Overv2 = 6.25000000000000000e-01;
Float_t AliGenTunedOnPbPb::fgEventplane=0;
TF1 *AliGenTunedOnPbPb::fgV2 = NULL;
AliGenTunedOnPbPb::AliGenTunedOnPbPb()
:AliGenerator(),
fCmin(0.),
fCmax(100.),
fChangeWithCentrality(kFALSE),
fYMaxValue(2.0),
fYlimitForFlatness(2.0),
fYdecreaseSp(0.2),
fYdecreaseV2(0.2)
{
SetCutVertexZ();
SetPtRange();
for(Int_t i=0;i < fgNspecies;i++){
fgHSpectrum[i] = NULL;
fgHv2[i] = NULL;
}
}
AliGenTunedOnPbPb::~AliGenTunedOnPbPb()
{
}
void AliGenTunedOnPbPb::Init()
{
}
void AliGenTunedOnPbPb::Generate()
{
Float_t avCentr = (fCmin+fCmax)*0.5;
Float_t centrality = avCentr;
if(fChangeWithCentrality) centrality = fCmin + gRandom->Rndm()*(fCmax-fCmin);
SetParameters(centrality);
if(!fChangeWithCentrality){
Float_t in=0;
for(Int_t i=0;i < fgNspecies;i++){
in=0;
if(fgHSpectrum[i]){
for(Int_t j=1;j<=fgHSpectrum[i]->GetNbinsX();j++){
in += fgHSpectrum[i]->GetBinContent(j)*fgHSpectrum[i]->GetBinWidth(j);
}
}
fgMult[i] = in;
}
}
TMCProcess statusPdg[fgNspecies] = {kPPrimary,kPPrimary,kPPrimary,kPPrimary,kPPrimary,kPPrimary,kPPrimary,kPPrimary,kPPrimary,kPPrimary,kPPrimary,kPPrimary,kPPrimary,kPPrimary,kPPrimary};
Float_t parV2scaling[3] = {1,0.202538,-0.00214468};
Float_t scaleV2 = 1.0;
TDatabasePDG *pdgD = TDatabasePDG::Instance();
if(fChangeWithCentrality){
parV2scaling[0] = 1. / (1 + parV2scaling[1]*avCentr + parV2scaling[2]*avCentr*avCentr);
scaleV2 = parV2scaling[0]*(1 + parV2scaling[1]*centrality + parV2scaling[2]*centrality*centrality);
}
fgV2->SetParameter(2,fgV3Overv2);
Float_t psi = gRandom->Rndm()*TMath::Pi();
fgEventplane = psi;
Float_t psi3 = gRandom->Rndm()*TMath::Pi()*2/3;
Float_t psi4 = gRandom->Rndm()*TMath::Pi()*2/4;
fgV2->SetParameter(1,psi);
fgV2->SetParameter(3,psi3);
fgV2->SetParameter(4,psi4);
Int_t npart = 0;
Float_t origin0[3];
for (Int_t j=0;j<3;j++) origin0[j]=fOrigin[j];
Float_t time;
time = fTimeOrigin;
if(fVertexSmear == kPerEvent) {
Vertex();
for (Int_t j=0; j < 3; j++) origin0[j] = fVertex[j];
time = fTime;
}
printf("Generate event with centrality = %3.1f%c, |y|<%4.1f\n",centrality,'%',fYMaxValue);
for(Int_t isp=0;isp < fgNspecies;isp++){
if(! fgHSpectrum[isp]) continue;
Int_t npartSp = Int_t(fgMult[isp]*2*fYMaxValue + gRandom->Rndm());
printf("Total number of %i = %i\n",fgPdgInput[isp],npartSp);
for(Int_t ipart =0; ipart < npartSp; ipart++){
Int_t pdg = fgPdgInput[isp];
Double_t y = gRandom->Rndm()*2*fYMaxValue - fYMaxValue;
Double_t ytanh = TMath::TanH(y);
Double_t pt = fgHSpectrum[isp]->GetRandom();
Double_t mass = pdgD->GetParticle(pdg)->Mass();
Double_t mt2 = pt*pt + mass*mass;
Double_t pz = ytanh*TMath::Sqrt(mt2)/TMath::Sqrt(1-ytanh*ytanh);
Double_t etot = TMath::Sqrt(mt2 + pz*pz);
TLorentzVector tempVect(pt,0,pz,etot);
Double_t scaleEtaV2 = 1;
if(TMath::Abs(y)> fYlimitForFlatness) scaleEtaV2 = 1 - fYdecreaseV2*(TMath::Abs(y) - fYlimitForFlatness);
if(fgHv2[isp]) fgV2->SetParameter(0,fgHv2[isp]->Interpolate(pt) * scaleV2 * scaleEtaV2);
else fgV2->SetParameter(0,0.);
Double_t phi = fgV2->GetRandom(-TMath::Pi(),TMath::Pi());
Double_t px = pt*TMath::Cos(phi);
Double_t py = pt*TMath::Sin(phi);
Float_t p[3] = {static_cast<Float_t>(px),static_cast<Float_t>(py),static_cast<Float_t>(pz)};
Float_t polar[3] = {0.,0.,0.};
if(TMath::Abs(y)< fYlimitForFlatness || gRandom->Rndm() < 1 - fYdecreaseSp*(TMath::Abs(y) - fYlimitForFlatness)){
PushTrack(1, -1, pdg, p, origin0, polar, time, statusPdg[isp], npart, 1., 1);
KeepTrack(npart);
npart++;
}
}
}
TArrayF eventVertex;
eventVertex.Set(3);
eventVertex[0] = origin0[0];
eventVertex[1] = origin0[1];
eventVertex[2] = origin0[2];
AliGenEventHeaderTunedPbPb* header = new AliGenEventHeaderTunedPbPb("tunedOnPbPb");
header->SetPrimaryVertex(eventVertex);
header->SetInteractionTime(time);
header->SetNProduced(npart);
header->SetCentrality(centrality);
header->SetPsi2(psi);
header->SetPsi3(psi3);
header->SetPsi4(psi4);
gAlice->SetGenEventHeader(header);
}
void AliGenTunedOnPbPb::SetPtRange(Float_t ptmin, Float_t ptmax) {
AliGenerator::SetPtRange(ptmin, ptmax);
}
TH1F *AliGenTunedOnPbPb::GetMultVsCentrality(Int_t species){
char title[100];
snprintf(title,100,"pdg = %i;centrality;dN/dy",fgPdgInput[species]);
TH1F *h = new TH1F("multVsCentr",title,100,0,100);
for(Int_t i=1;i<=100;i++){
Float_t x = i+0.5;
SetParameters(x);
h->SetBinContent(i,fgMult[species]);
}
return h;
}
void AliGenTunedOnPbPb::SetParameters(Float_t centrality){
if(!fgV2) fgV2 = new TF1("fv2Par","TMath::Max(0.,(1 + 2*[0]*cos(2*(x-[1])) + 2*[0]*[2]*cos(3*(x-[3])) + [0]*[2]*cos(4*(x-[4]))))",-TMath::Pi(),TMath::Pi());
Float_t fr[9] = {0.,0.,0.,0.,0.,0.,0.,0.,0.};
if(centrality < 7.5){
fr[0] = (7.5 - centrality)/5.;
fr[1] = (centrality-2.5)/5.;
}
else if(centrality < 15){
fr[1] = (15-centrality)/7.5;
fr[2] = (centrality-7.5)/7.5;
}
else if(centrality < 25){
fr[2] = (25-centrality)/10.;
fr[3] = (centrality-15)/10.;
}
else if(centrality < 35){
fr[3] = (35-centrality)/10.;
fr[4] = (centrality-25)/10.;
}
else if(centrality < 45){
fr[4] = (45-centrality)/10.;
fr[5] = (centrality-35)/10.;
}
else if(centrality < 55){
fr[5] = (55-centrality)/10.;
fr[6] = (centrality-45)/10.;
}
else if(centrality < 65){
fr[6] = (65-centrality)/10.;
fr[7] = (centrality-55)/10.;
}
else if(centrality < 75){
fr[7] = (75-centrality)/10.;
fr[8] = (centrality-65)/10.;
}
else{
fr[8] = 1.0;
}
Float_t multCent[9*fgNspecies] = {733.,733.,733.,109.,109.,34.,34.,109.,28.,28.,11.5,3.1,3.1,0.5,0.5,
606.,606.,606.,91.,91.,28.,28.,91.,24.,24.,9.,2.7,2.7,0.45,0.45,
455.,455.,455.,68.,68.,21.,21.,68.,20.,20.,8.,2.4,2.4,0.4,0.4,
307.,307.,307.,46.,46.,14.5,14.5,46.,14.,14.,5.5,1.5,1.5,0.2,0.2,
201.,201.,201.,30.,30.,9.6,9.6,30.,9.,9.,3.5,0.9,0.9,0.08,0.08,
124.,124.,124.,18.3,18.3,6.1,6.1,18.3,5.1,5.1,2.2,0.6,0.6,0.055,0.055,
71.,71.,71.,10.2,10.2,3.6,3.6,10.2,2.6,2.6,1.4,0.36,0.36,0.035,0.035,
37.,37.,37.,5.1,5.1,2.,2.,5.1,1.5,1.5,0.5,0.02,0.02,0.015,0.015,
17.,17.,17.,2.3,2.3,0.9,0.9,2.3,0.6,0.6,0.16,0.006,0.006,0.005,0.005};
Float_t v3Overv2Cent[9] = {1.2,0.82,0.625,0.5,0.45,0.4,0.37,0.3,0.3};
fgV3Overv2 = 0;
for(Int_t j=0;j < 9;j++)
fgV3Overv2 += fr[j]*v3Overv2Cent[j];
for(Int_t i=0;i < fgNspecies;i++){
fgMult[i] = 0;
for(Int_t j=0;j < 9;j++){
fgMult[i] += fr[j]*multCent[i+j*fgNspecies];
}
}
if(centrality > 80){
for(Int_t i=0;i < fgNspecies;i++)
fgMult[i] /= TMath::Log(centrality-77.);
}
}
AliGenTunedOnPbPb.cxx:100 AliGenTunedOnPbPb.cxx:101 AliGenTunedOnPbPb.cxx:102 AliGenTunedOnPbPb.cxx:103 AliGenTunedOnPbPb.cxx:104 AliGenTunedOnPbPb.cxx:105 AliGenTunedOnPbPb.cxx:106 AliGenTunedOnPbPb.cxx:107 AliGenTunedOnPbPb.cxx:108 AliGenTunedOnPbPb.cxx:109 AliGenTunedOnPbPb.cxx:110 AliGenTunedOnPbPb.cxx:111 AliGenTunedOnPbPb.cxx:112 AliGenTunedOnPbPb.cxx:113 AliGenTunedOnPbPb.cxx:114 AliGenTunedOnPbPb.cxx:115 AliGenTunedOnPbPb.cxx:116 AliGenTunedOnPbPb.cxx:117 AliGenTunedOnPbPb.cxx:118 AliGenTunedOnPbPb.cxx:119 AliGenTunedOnPbPb.cxx:120 AliGenTunedOnPbPb.cxx:121 AliGenTunedOnPbPb.cxx:122 AliGenTunedOnPbPb.cxx:123 AliGenTunedOnPbPb.cxx:124 AliGenTunedOnPbPb.cxx:125 AliGenTunedOnPbPb.cxx:126 AliGenTunedOnPbPb.cxx:127 AliGenTunedOnPbPb.cxx:128 AliGenTunedOnPbPb.cxx:129 AliGenTunedOnPbPb.cxx:130 AliGenTunedOnPbPb.cxx:131 AliGenTunedOnPbPb.cxx:132 AliGenTunedOnPbPb.cxx:133 AliGenTunedOnPbPb.cxx:134 AliGenTunedOnPbPb.cxx:135 AliGenTunedOnPbPb.cxx:136 AliGenTunedOnPbPb.cxx:137 AliGenTunedOnPbPb.cxx:138 AliGenTunedOnPbPb.cxx:139 AliGenTunedOnPbPb.cxx:140 AliGenTunedOnPbPb.cxx:141 AliGenTunedOnPbPb.cxx:142 AliGenTunedOnPbPb.cxx:143 AliGenTunedOnPbPb.cxx:144 AliGenTunedOnPbPb.cxx:145 AliGenTunedOnPbPb.cxx:146 AliGenTunedOnPbPb.cxx:147 AliGenTunedOnPbPb.cxx:148 AliGenTunedOnPbPb.cxx:149 AliGenTunedOnPbPb.cxx:150 AliGenTunedOnPbPb.cxx:151 AliGenTunedOnPbPb.cxx:152 AliGenTunedOnPbPb.cxx:153 AliGenTunedOnPbPb.cxx:154 AliGenTunedOnPbPb.cxx:155 AliGenTunedOnPbPb.cxx:156 AliGenTunedOnPbPb.cxx:157 AliGenTunedOnPbPb.cxx:158 AliGenTunedOnPbPb.cxx:159 AliGenTunedOnPbPb.cxx:160 AliGenTunedOnPbPb.cxx:161 AliGenTunedOnPbPb.cxx:162 AliGenTunedOnPbPb.cxx:163 AliGenTunedOnPbPb.cxx:164 AliGenTunedOnPbPb.cxx:165 AliGenTunedOnPbPb.cxx:166 AliGenTunedOnPbPb.cxx:167 AliGenTunedOnPbPb.cxx:168 AliGenTunedOnPbPb.cxx:169 AliGenTunedOnPbPb.cxx:170 AliGenTunedOnPbPb.cxx:171 AliGenTunedOnPbPb.cxx:172 AliGenTunedOnPbPb.cxx:173 AliGenTunedOnPbPb.cxx:174 AliGenTunedOnPbPb.cxx:175 AliGenTunedOnPbPb.cxx:176 AliGenTunedOnPbPb.cxx:177 AliGenTunedOnPbPb.cxx:178 AliGenTunedOnPbPb.cxx:179 AliGenTunedOnPbPb.cxx:180 AliGenTunedOnPbPb.cxx:181 AliGenTunedOnPbPb.cxx:182 AliGenTunedOnPbPb.cxx:183 AliGenTunedOnPbPb.cxx:184 AliGenTunedOnPbPb.cxx:185 AliGenTunedOnPbPb.cxx:186 AliGenTunedOnPbPb.cxx:187 AliGenTunedOnPbPb.cxx:188 AliGenTunedOnPbPb.cxx:189 AliGenTunedOnPbPb.cxx:190 AliGenTunedOnPbPb.cxx:191 AliGenTunedOnPbPb.cxx:192 AliGenTunedOnPbPb.cxx:193 AliGenTunedOnPbPb.cxx:194 AliGenTunedOnPbPb.cxx:195 AliGenTunedOnPbPb.cxx:196 AliGenTunedOnPbPb.cxx:197 AliGenTunedOnPbPb.cxx:198 AliGenTunedOnPbPb.cxx:199 AliGenTunedOnPbPb.cxx:200 AliGenTunedOnPbPb.cxx:201 AliGenTunedOnPbPb.cxx:202 AliGenTunedOnPbPb.cxx:203 AliGenTunedOnPbPb.cxx:204 AliGenTunedOnPbPb.cxx:205 AliGenTunedOnPbPb.cxx:206 AliGenTunedOnPbPb.cxx:207 AliGenTunedOnPbPb.cxx:208 AliGenTunedOnPbPb.cxx:209 AliGenTunedOnPbPb.cxx:210 AliGenTunedOnPbPb.cxx:211 AliGenTunedOnPbPb.cxx:212 AliGenTunedOnPbPb.cxx:213 AliGenTunedOnPbPb.cxx:214 AliGenTunedOnPbPb.cxx:215 AliGenTunedOnPbPb.cxx:216 AliGenTunedOnPbPb.cxx:217 AliGenTunedOnPbPb.cxx:218 AliGenTunedOnPbPb.cxx:219 AliGenTunedOnPbPb.cxx:220 AliGenTunedOnPbPb.cxx:221 AliGenTunedOnPbPb.cxx:222 AliGenTunedOnPbPb.cxx:223 AliGenTunedOnPbPb.cxx:224 AliGenTunedOnPbPb.cxx:225 AliGenTunedOnPbPb.cxx:226 AliGenTunedOnPbPb.cxx:227 AliGenTunedOnPbPb.cxx:228 AliGenTunedOnPbPb.cxx:229 AliGenTunedOnPbPb.cxx:230 AliGenTunedOnPbPb.cxx:231 AliGenTunedOnPbPb.cxx:232 AliGenTunedOnPbPb.cxx:233 AliGenTunedOnPbPb.cxx:234 AliGenTunedOnPbPb.cxx:235 AliGenTunedOnPbPb.cxx:236 AliGenTunedOnPbPb.cxx:237 AliGenTunedOnPbPb.cxx:238 AliGenTunedOnPbPb.cxx:239 AliGenTunedOnPbPb.cxx:240 AliGenTunedOnPbPb.cxx:241 AliGenTunedOnPbPb.cxx:242 AliGenTunedOnPbPb.cxx:243 AliGenTunedOnPbPb.cxx:244 AliGenTunedOnPbPb.cxx:245 AliGenTunedOnPbPb.cxx:246 AliGenTunedOnPbPb.cxx:247 AliGenTunedOnPbPb.cxx:248 AliGenTunedOnPbPb.cxx:249 AliGenTunedOnPbPb.cxx:250 AliGenTunedOnPbPb.cxx:251 AliGenTunedOnPbPb.cxx:252 AliGenTunedOnPbPb.cxx:253 AliGenTunedOnPbPb.cxx:254 AliGenTunedOnPbPb.cxx:255 AliGenTunedOnPbPb.cxx:256 AliGenTunedOnPbPb.cxx:257 AliGenTunedOnPbPb.cxx:258 AliGenTunedOnPbPb.cxx:259 AliGenTunedOnPbPb.cxx:260 AliGenTunedOnPbPb.cxx:261 AliGenTunedOnPbPb.cxx:262 AliGenTunedOnPbPb.cxx:263 AliGenTunedOnPbPb.cxx:264 AliGenTunedOnPbPb.cxx:265 AliGenTunedOnPbPb.cxx:266 AliGenTunedOnPbPb.cxx:267 AliGenTunedOnPbPb.cxx:268 AliGenTunedOnPbPb.cxx:269 AliGenTunedOnPbPb.cxx:270 AliGenTunedOnPbPb.cxx:271 AliGenTunedOnPbPb.cxx:272 AliGenTunedOnPbPb.cxx:273 AliGenTunedOnPbPb.cxx:274 AliGenTunedOnPbPb.cxx:275 AliGenTunedOnPbPb.cxx:276 AliGenTunedOnPbPb.cxx:277 AliGenTunedOnPbPb.cxx:278 AliGenTunedOnPbPb.cxx:279 AliGenTunedOnPbPb.cxx:280 AliGenTunedOnPbPb.cxx:281 AliGenTunedOnPbPb.cxx:282 AliGenTunedOnPbPb.cxx:283 AliGenTunedOnPbPb.cxx:284 AliGenTunedOnPbPb.cxx:285 AliGenTunedOnPbPb.cxx:286 AliGenTunedOnPbPb.cxx:287 AliGenTunedOnPbPb.cxx:288 AliGenTunedOnPbPb.cxx:289 AliGenTunedOnPbPb.cxx:290 AliGenTunedOnPbPb.cxx:291 AliGenTunedOnPbPb.cxx:292 AliGenTunedOnPbPb.cxx:293 AliGenTunedOnPbPb.cxx:294 AliGenTunedOnPbPb.cxx:295 AliGenTunedOnPbPb.cxx:296 AliGenTunedOnPbPb.cxx:297 AliGenTunedOnPbPb.cxx:298 AliGenTunedOnPbPb.cxx:299 AliGenTunedOnPbPb.cxx:300 AliGenTunedOnPbPb.cxx:301 AliGenTunedOnPbPb.cxx:302 AliGenTunedOnPbPb.cxx:303 AliGenTunedOnPbPb.cxx:304 AliGenTunedOnPbPb.cxx:305 AliGenTunedOnPbPb.cxx:306 AliGenTunedOnPbPb.cxx:307 AliGenTunedOnPbPb.cxx:308 AliGenTunedOnPbPb.cxx:309 AliGenTunedOnPbPb.cxx:310 AliGenTunedOnPbPb.cxx:311