int main(int argc, char** argv) {
//////////////////////////////////////////////////////////////////////////////////////////////
// Slide 9 - 11
{
int myvar = 25; // create variable with value 25 (gets address 1776)
int* foo = &myvar; // store address 1776 in a pointer
int bar = myvar; // copy value 25 to another parameter bar
int& baz = *foo; // dereferencing = getting the value from the pointer: baz is equal to the value (25) pointed to by foo (at address 1776)
int baz2 = *foo; // dereferencing and copying into
}
{
int a(1); // on the stack
int b = 2; // on the stack
int *p_c = new int; // p_c is assigned 4 bytes in the heap
*p_c = 3; // p_c is pointing at 3
int *array = new int[10]; // array is assigned 40 bytes in the heap
array[0] = a;
array[1] = b;
array[2] = *p_c; // the value that the pointer is pointing to is copied to the first element of the array
delete p_c;
delete[] array;
}
//////////////////////////////////////////////////////////////////////////////////////////////
/// add breakpoints : constructor, copy-constructor and destructor
/// slide 11
{
Person person("Frank"); // on the stack
Person clone(person); // copy constructor
Person& clone_ref = clone; // creating a reference to the clone
Person clone_again = clone; // call copy constructor again
Donation donation(person, 100); // on the stack
} // both person and donation's destructors are called
//////////////////////////////////////////////////////////////////////////////////////////////
/// slide 12
{
Person frank("Frank"); // on the stack
Person* p_willy = new Person("Willy"); // on the heap
std::cout << frank.GetName() << std::endl;
std::cout << p_willy->GetName() << std::endl << std::endl;
Donation donation(*p_willy, 100); // on the stack
Donation* p_donation = new Donation(donation); // create pointer on the heap and call the copy-constructor;
p_donation->SetAmount(200); // pass by value
std::unique_ptr<Donation> up_donation(new Donation(donation)); // up_donation is on the stack, the new donation is on the heap, but will be automatically destructed when up_donation is out of scope
up_donation->SetAmount(300); // pass by value
const Donation& donation_const_ref = donation; // holding a const reference will prevent us from modifying it
std::cout << donation << std::endl;
std::cout << *p_donation << std::endl;
std::cout << *up_donation << std::endl;
delete p_donation; // if not here : memory leak
delete p_willy; // idem
}
system("pause");
return 0;
}
void getSpectrumPP05(const char *pid)
{
gStyle->SetOptStat(0);
gStyle->SetOptFit(0);
gStyle->SetErrorX(0);
bool subtractNEUTRONS=kTRUE;
//neutron data:
//hadron data for Levy function, nucl-ex/0601033:
//--> d^2N/(2*pi*pT*N*dpT*dy) = B/((1+((mT - m0)/nT))^n)
// {p-dAu; pbar-dAu; p-pp; pbar-pp} and m0 = m_neutron = 1.0 GeV.
double B[]={0.3,0.23,0.072,0.061};//->[0]
//double eB[]={0.01,0.01,0.005,0.005};
double T[]={0.205,0.215,0.179,0.173};//->[1]
//double eT[]={0.004,0.005,0.006,0.006};
double n[]={11.00,12.55,10.87,10.49};//->[2]
//double en[]={0.29,0.41,0.43,0.40};
double BR=35.8/63.9;//->p + pi- (63.9%) : ->n + pi0 (35.8%)
double c_feeddown=0.8+0.2*BR;
double CPVloss=0.98;//for minbias
TF1 *f_nbar=new TF1("f_nbar","[3]*[4]*[0]/pow((1.+(sqrt(x*x+1.) - 1.)/([1]*[2])),[2])",0.,15.);
f_nbar->SetParameters(B[3],T[3],n[3],c_feeddown,CPVloss);
//get direct gammas pQCD:
ifstream pQCDphotons("./datapoints/pQCD_Werner/rhic_cteq6_gamma_inv_sc1.dat");
float ppx[100];
float ppy[100];
Int_t iii=0;
cout<<"pqcd photons:"<<endl;
while(iii<28){
if(!pQCDphotons.good()) break;
float dummy=0.;
pQCDphotons>>ppx[iii]>>dummy>>dummy>>ppy[iii];
ppy[iii]*=1.e-09;//convert to mb
iii++;
}
TGraph *g_dirgamma=new TGraph(iii,ppx,ppy);
//get direct gammas pQCD: scale 0.5*pT
ifstream pQCDphotons05("./datapoints/pQCD_Werner/rhic_cteq6_gamma_inv_sc05.dat");
float ppx05[100];
float ppy05[100];
Int_t iii05=0;
while(iii05<28){
if(!pQCDphotons05.good()) break;
float dummy=0.;
pQCDphotons05>>ppx05[iii05]>>dummy>>dummy>>ppy05[iii05];
ppy05[iii05]*=1.e-09;//convert to mb
iii05++;
}
TGraph *g_dirgamma05=new TGraph(iii05,ppx05,ppy05);
//get direct gammas pQCD: scale 2*pT
ifstream pQCDphotons2("./datapoints/pQCD_Werner/rhic_cteq6_gamma_inv_sc2.dat");
float ppx2[100];
float ppy2[100];
Int_t iii2=0;
while(iii2<28){
if(!pQCDphotons2.good()) break;
float dummy=0.;
pQCDphotons2>>ppx2[iii2]>>dummy>>dummy>>ppy2[iii2];
ppy2[iii2]*=1.e-09;//convert to mb
iii2++;
}
TGraph *g_dirgamma2=new TGraph(iii2,ppx2,ppy2);
//get phenix pions in pp
ifstream phenix("./datapoints/phenix_xsec_pp.dat");
float phex[100];
float phey[100];
Int_t iphe=0;
while(iphe<16){
if(!phenix.good()) break;
phenix>>phex[iphe]>>phey[iphe];
//is in mb already!!
iphe++;
}
TGraphErrors *phenix_pp=new TGraphErrors(iphe,phex,phey);
phenix_pp->SetMarkerStyle(24);
phenix_pp->SetLineWidth(6);
phenix_pp->SetName("phenix_pp");
//frank's spin2006 pions:
ifstream frank("./datapoints/frank_pp05_new.dat");
float frx[100];
float fry[100];
float frex[100];
float frey[100];
Int_t ifr=0;
while(ifr<12){
if(!frank.good()) break;
frank>>frx[ifr]>>fry[ifr]>>frey[ifr];
frex[ifr]=0.;
ifr++;
}
TGraphErrors *frank_pp=new TGraphErrors(ifr,frx,fry,frex,frey);
frank_pp->SetMarkerStyle(25);
frank_pp->SetMarkerColor(4);
frank_pp->SetName("frank_pp");
//sasha's pions:
float x_pp2005_sasha[]={1.20358,1.70592,2.21238,2.71916,3.4032,4.4224,5.43571,6.44468,7.45056,8.83794,10.8659,12.8831,15.2692 };
float xe_pp2005_sasha[]={0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.,0.};
float y_pp2005_sasha[]={0.212971,0.0337464,0.00811345,0.00248195,0.000467495,6.37683e-05,1.4487e-05,3.67539e-06,1.26723e-06,3.3676e-07,8.01941e-08,1.93813e-08,5.56059e-09};
float ye_pp2005_sasha[]={0.00463771,0.000949529,0.000323778,0.000139023,3.68181e-05,7.61527e-07,2.28359e-07,9.19064e-08,4.93116e-08,8.16844e-09,3.66273e-09,1.75057e-09,7.36722e-10};
TGraphErrors *sasha_pp05=new TGraphErrors(13,x_pp2005_sasha,y_pp2005_sasha,xe_pp2005_sasha,ye_pp2005_sasha);
sasha_pp05->SetMarkerStyle(8);
sasha_pp05->SetMarkerColor(TColor::GetColor(8,80,8));
sasha_pp05->SetName("sasha_pp05");
//get pions KKP scale pT
ifstream pQCDpions("./datapoints/pQCD_Werner/klaus_pi0inv_200_kkp_1.dat");
float pionx[100];
float piony[100];
Int_t ipion=0;
while(ipion<28){
if(!pQCDpions.good()) break;
pQCDpions>>pionx[ipion]>>piony[ipion];
piony[ipion]*=1.e-09;//convert to mb
ipion++;
}
TGraphErrors *kkp=new TGraphErrors(ipion,pionx,piony);
kkp->SetLineColor(54);
kkp->SetName("kkp");
//get pions KKP scale 0.5*pT
ifstream pQCDpions05("./datapoints/pQCD_Werner/klaus_pi0inv_200_kkp_05.dat");
float pionx05[100];
float piony05[100];
Int_t ipion05=0;
while(ipion05<28){
if(!pQCDpions05.good()) break;
pQCDpions05>>pionx05[ipion05]>>piony05[ipion05];
piony05[ipion05]*=1.e-09;//convert to mb
ipion05++;
}
TGraphErrors *kkp05=new TGraphErrors(ipion05,pionx05,piony05);
kkp05->SetLineStyle(2);
kkp05->SetLineColor(54);
kkp05->SetName("kkp05");
//get pions KKP scale 2*pT
ifstream pQCDpions2("./datapoints/pQCD_Werner/klaus_pi0inv_200_kkp_2.dat");
float pionx2[100];
float piony2[100];
Int_t ipion2=0;
while(ipion2<28){
if(!pQCDpions2.good()) break;
pQCDpions2>>pionx2[ipion2]>>piony2[ipion2];
piony2[ipion2]*=1.e-09;//convert to mb
ipion2++;
}
TGraphErrors *kkp2=new TGraphErrors(ipion2,pionx2,piony2);
kkp2->SetLineStyle(2);
kkp2->SetLineColor(54);
kkp2->SetName("kkp2");
TFile *f_decaybg=new TFile("~/MyDecay/gammaDecayPPSum.root","OPEN");
TH1F *h_decaybg=(TH1F*)f_decaybg->Get("gamma");
TH1F *h_decaypion=(TH1F*)f_decaybg->Get("gamma_pion");
TF1 *fit_decay=new TF1("fit_decay","[0]/pow(x,[1])+[2]",.3,15.);
TF1 *fit_piondecay=new TF1(*fit_decay);
fit_decay->SetParameters(1.,1.,.5);
fit_piondecay->SetParameters(1.,1.,.5);
h_decaybg->Fit(fit_decay,"R0Q");
h_decaypion->Fit(fit_piondecay,"R0Q");
//take ratio gamma_direct/pion and divide by gamma/pi and then +1:
for(Int_t i=0;i<iii;i++){
ppy[i]=ppy[i]/piony[i];
ppy[i]=ppy[i]/fit_decay->Eval(ppx[i]);
ppy[i]+=1.;
ppy05[i]=ppy05[i]/piony05[i];
ppy05[i]=ppy05[i]/fit_decay->Eval(ppx05[i]);
ppy05[i]+=1.;
ppy2[i]=ppy2[i]/piony2[i];
ppy2[i]=ppy2[i]/fit_decay->Eval(ppx2[i]);
ppy2[i]+=1.;
}
TGraphErrors *g_photonpqcd=new TGraphErrors(iii,ppx,ppy);
g_photonpqcd->SetName("g_photonpqcd");
TGraphErrors *g_photonpqcd05=new TGraphErrors(iii05,ppx05,ppy05);
g_photonpqcd05->SetName("g_photonpqcd05");
TGraphErrors *g_photonpqcd2=new TGraphErrors(iii2,ppx2,ppy2);
g_photonpqcd2->SetName("g_photonpqcd2");
//set outputfiles
TString dir("/star/u/russcher/gamma/analysis/output/pp05/");
dir.Append(pid);
dir.Append("/");
dir.Append(pid);
TString psout=dir;
TString psout_eta=dir;
TString psout2=dir;
TString psout3=dir;
TString eFile=dir;
TString eFileGamma=dir;
TString pi0File=dir;
TString nbarFile=dir;
TString nbarOut=dir;
eFile.Append("pion_eff.root");
eFileGamma.Append("gamma_eff.root");
pi0File.Append("pi0_pp05.root");
nbarFile.Append("antineutron_eff.root");
nbarOut.Append("nbar_contam.ps");
psout2.Append("correctedspec.ps");
psout_eta.Append("/dev/null");
psout.Append("invmassplots.ps");
//load *.so
gSystem->Load("$HOME/MyEvent/MyEvent");
gSystem->Load("$HOME/gamma/analysis/lib/AnaCuts");
gSystem->Load("$HOME/gamma/analysis/lib/EventMixer");
gSystem->Load("$HOME/gamma/analysis/lib/Pi0Analysis");
AnaCuts *cuts=new AnaCuts("pp05");
//get inv mass hists
TFile f(pi0File.Data(),"OPEN");
TH2F *h_mb=new TH2F(*h_minvMB);
TH2F *h_ht1=new TH2F(*h_minvHT1);
TH2F *h_ht2=new TH2F(*h_minvHT2);
TH1F *h_ev=new TH1F(*h_events);
//get anti-neutron
TFile *file_nbar=new TFile(nbarFile,"OPEN");
TH1F *h_nbarEffMB=new TH1F(*h_effMB);
h_nbarEffMB->Sumw2();
TH1F *h_nbarEffHT1=new TH1F(*h_effHT1);
h_nbarEffHT1->Sumw2();
TH1F *h_nbarEffHT2=new TH1F(*h_effHT2);
h_nbarEffHT2->Sumw2();
//get prescales
int trigger=0;
Int_t numberOfMB=0;
Int_t numberOfHT1=0;
Int_t numberOfHT2=0;
for(Int_t i=1;i<=h_ev->GetNbinsX();i++)
{
trigger=(Int_t)h_ev->GetBinCenter(i);
if(trigger&1) numberOfMB+=(Int_t)h_ev->GetBinContent(i);
if(trigger&2) numberOfHT1+=(Int_t)h_ev->GetBinContent(i);
if(trigger&4) numberOfHT2+=(Int_t)h_ev->GetBinContent(i);
}
cout<<"number of mb: "<<numberOfMB<<endl;
//numberOfMB/=0.63;
//cout<<"nmb after 62% vertex eff.: "<<numberOfMB<<endl;
float psMB=32742;
float psHT1=3.89;
float psHT2=1.;
//mb events for hightower:
float nMBwithHT=328871;
//get efficiencies+acceptance
TFile g(eFile.Data(),"OPEN");
TH1F *h_emb=new TH1F(*h_effMB);
TH1F *h_eht1=new TH1F(*h_effHT1);
TH1F *h_eht2=new TH1F(*h_effHT2);
//bin corrections
TFile binf("~/BinWidth/bincorrectionsPP.root","OPEN");
TH1F *h_binmb=new TH1F(*h4mb);
TH1F *h_binht1=new TH1F(*h4ht1);
TH1F *h_binht2=new TH1F(*h4ht2);
h_binmb->Sumw2();
h_binht1->Sumw2();
h_binht2->Sumw2();
for(Int_t i=1;i<=h_binmb->GetNbinsX();i++) h_binmb->SetBinError(i,0);
for(Int_t i=1;i<=h_binht1->GetNbinsX();i++) h_binht1->SetBinError(i,0);
for(Int_t i=1;i<=h_binht2->GetNbinsX();i++) h_binht2->SetBinError(i,0);
//corrections, all multiplicative, in case of
//pions:
TF1 *pion_cpv_corrMB=new TF1("pion_cpv_corrMB","1./(1.-0.01*(0.3+0.0*x))",0.,15.);
TF1 *pion_cpv_corrHT1=new TF1("pion_cpv_corrHT1","1./(1.-0.01*(-0.1+0.16*x))",0.,15.);
TF1 *pion_cpv_corrHT2=new TF1("pion_cpv_corrHT2","1./(1.-0.01*(-0.2+0.18*x))",0.,15.);
//photons:
TF1 *gamma_cpv_corrMB=new TF1("gamma_cpv_corrMB","1./(1.-0.01*(2.8+0.0*x))",0.,15.);
TF1 *gamma_cpv_corrHT1=new TF1("gamma_cpv_corrHT1","1./(1.-0.01*(0.2+1.1*x))",0.,15.);
TF1 *gamma_cpv_corrHT2=new TF1("gamma_cpv_corrHT2","1./(1.-0.01*(0.4+1.1*x))",0.,15.);
TF1 *gamma_cont_corrMB=new TF1("gamma_cont_corrMB","0.985",0.,15.);
TF1 *gamma_cont_corrHT1=new TF1("gamma_cont_corrHT1","0.98",0.,15.);
TF1 *gamma_cont_corrHT2=new TF1("gamma_cont_corrHT2","0.96",0.,15.);
//missing material
//pions:
TF1 *pion_conv_corrMB=new TF1("pion_conv_corrMB","1.1",0.,15.);
TF1 *pion_conv_corrHT1=new TF1("pion_conv_corrHT1","1.1",0.,15.);
TF1 *pion_conv_corrHT2=new TF1("pion_conv_corrHT2","1.1",0.,15.);
//photons:
TF1 *gamma_conv_corrMB=new TF1("gamma_conv_corrMB","1.05",0.,15.);
TF1 *gamma_conv_corrHT1=new TF1("gamma_conv_corrHT1","1.05",0.,15.);
TF1 *gamma_conv_corrHT2=new TF1("gamma_conv_corrHT2","1.05",0.,15.);
//get yield
Pi0Analysis *pi0=new Pi0Analysis(psout.Data(),psout_eta.Data(),"pp05");
pi0->init("/dev/null");
TH1F *pionYieldMB=new TH1F(*pi0->getYield(h_mb,"mb"));
TH1F *pionYieldHT1=new TH1F(*pi0->getYield(h_ht1,"ht1"));
TH1F *pionYieldHT2=new TH1F(*pi0->getYield(h_ht2,"ht2"));
pi0->storeCanvases((dir+"canvases.root").Data());
cout<<"***************************************"<<endl;
cout<<"got yield, dividing by rapidity bite!!!"<<endl;
float dy_gamma=cuts->rapidityMaxCUT - cuts->rapidityMinCUT;
float dy_pion=cuts->rapPionMaxCUT - cuts->rapPionMinCUT;
cout<<"***************************************"<<endl;
cout<<endl;
cout<<" pion bite is "<<dy_pion<<endl;
cout<<" gamma bite is "<<dy_gamma<<endl;
cout<<endl;
cout<<"***************************************"<<endl;
pionYieldMB->Scale(1./dy_pion);
pionYieldHT1->Scale(1./dy_pion);
pionYieldHT2->Scale(1./dy_pion);
//set yield to zero
/*
for(Int_t i=0;i<pionYieldHT2->GetNbinsX();i++)
{
if(i<1)
{
pionYieldMB->SetBinContent(i+1,0);
pionYieldMB->SetBinError(i+1,0);
}
if(i<4)
{
pionYieldHT1->SetBinContent(i+1,0);
pionYieldHT1->SetBinError(i+1,0);
}
if(i>12)
{
pionYieldHT1->SetBinContent(i+1,0);
pionYieldHT1->SetBinError(i+1,0);
}
if(i<6)
{
pionYieldHT2->SetBinContent(i+1,0);
pionYieldHT2->SetBinError(i+1,0);
}
}
*/
//set colors:
pionYieldMB->SetMarkerStyle(8);
pionYieldMB->SetMarkerSize(1.0);
pionYieldHT1->SetMarkerStyle(8);
pionYieldHT1->SetMarkerSize(1.0);
pionYieldHT1->SetMarkerColor(4);
pionYieldHT2->SetMarkerStyle(8);
pionYieldHT2->SetMarkerSize(1.0);
pionYieldHT2->SetMarkerColor(2);
TF1 *scale=new TF1("scale","x",0.,15.);
pionYieldMB->SetNameTitle("pionYieldMB","corrected yield MB");
pionYieldMB->Divide(h_emb);
pionYieldMB->Scale(psMB/(psMB*numberOfMB*2.*TMath::Pi()));
pionYieldMB->Divide(scale);
pionYieldMB->Multiply(h_binmb);
pionYieldMB->Multiply(pion_cpv_corrMB);
pionYieldMB->Multiply(pion_conv_corrMB);
pionYieldHT1->SetNameTitle("pionYieldHT1","corrected yield HT1");
pionYieldHT1->Divide(h_eht1);
pionYieldHT1->Scale(psHT1/(psMB*nMBwithHT*2.*TMath::Pi()));
pionYieldHT1->Divide(scale);
pionYieldHT1->Multiply(h_binht1);
pionYieldHT1->Multiply(pion_cpv_corrHT1);
pionYieldHT1->Multiply(pion_conv_corrHT1);
pionYieldHT2->SetNameTitle("pionYieldHT2","corrected yield HT2");
pionYieldHT2->Divide(h_eht2);
pionYieldHT2->Scale(psHT2/(psMB*nMBwithHT*2.*TMath::Pi()));
pionYieldHT2->Divide(scale);
pionYieldHT2->Multiply(h_binht2);
pionYieldHT2->Multiply(pion_cpv_corrHT2);
pionYieldHT2->Multiply(pion_conv_corrHT2);
//create pion yield for double ratio:
TH1F *pionYieldMBratio=new TH1F(*pionYieldMB);
TH1F *pionYieldHT1ratio=new TH1F(*pionYieldHT1);
TH1F *pionYieldHT2ratio=new TH1F(*pionYieldHT2);
TH1F *pionXsMB=new TH1F(*pionYieldMB);
TH1F *pionXsHT1=new TH1F(*pionYieldHT1);
TH1F *pionXsHT2=new TH1F(*pionYieldHT2);
pionXsMB->Scale((26.1/0.85));//times xs_bbc/bbc_eff
pionXsHT1->Scale((26.1/0.85));
pionXsHT2->Scale((26.1/0.85));
TH1F *pionXsMBnoErr=new TH1F(*pionXsMB);
TH1F *pionXsHT1noErr=new TH1F(*pionXsHT1);
TH1F *pionXsHT2noErr=new TH1F(*pionXsHT2);
for(int i=1;i<=pionXsMBnoErr->GetNbinsX();i++){
pionXsMBnoErr->SetBinError(i,0.);
}
for(int i=1;i<=pionXsHT1noErr->GetNbinsX();i++){
pionXsHT1noErr->SetBinError(i,0.);
}
for(int i=1;i<=pionXsHT2noErr->GetNbinsX();i++){
pionXsHT2noErr->SetBinError(i,0.);
}
TGraphErrors *g_pionXsMB=new TGraphErrors(pionXsMB);
g_pionXsMB->SetName("g_pionXsMB");
removeThesePoints(g_pionXsMB,1);
TGraphErrors *g_pionXsHT1=new TGraphErrors(pionXsHT1);
g_pionXsHT1->SetName("g_pionXsHT1");
removeThesePoints(g_pionXsHT1,2);
TGraphErrors *g_pionXsHT2=new TGraphErrors(pionXsHT2);
g_pionXsHT2->SetName("g_pionXsHT2");
removeThesePoints(g_pionXsHT2,3);
if(0){
cout<<endl<<"xsec: x y ex ey"<<endl;
cout<<"minbias"<<endl;
printPoints(g_pionXsMB);
cout<<endl<<"hightower-1"<<endl;
printPoints(g_pionXsHT1);
cout<<endl<<"hightower-2"<<endl;
printPoints(g_pionXsHT2);
cout<<endl;
}
TMultiGraph *m_pions_fit=new TMultiGraph();
m_pions_fit->SetName("m_pions_fit");
m_pions_fit->SetMinimum(5.0e-9);
m_pions_fit->SetMaximum(0.99);
m_pions_fit->Add(g_pionXsMB);
m_pions_fit->Add(g_pionXsHT1);
m_pions_fit->Add(g_pionXsHT2);
TF1 *fitQCD=new TF1("fitQCD",sumpqcd,1.,15.,6);
fitQCD->SetParameters(600.,-8.2,4.,-8.5,2.,2.);
fitQCD->FixParameter(4,2.);
m_pions_fit->Fit(fitQCD,"R");
bool inclPhenix=false;
bool inclFrank=false;
bool inclSasha=false;
bool inclPqcd=false;
TCanvas *compare=new TCanvas("compare","compare;p_{T}:xsec (mb)",600,750);
compare->cd();
TPad *padt=new TPad("padt","",0.0,0.3,1.,1.0);
padt->SetBottomMargin(0.001);
padt->SetLeftMargin(0.15);
TPad *padb=new TPad("padb","",0.0,0.0,1.,0.3);
padb->SetTopMargin(0.001);
padb->SetBottomMargin(0.25);
padb->SetLeftMargin(0.15);
padt->Draw();
padt->cd();
gPad->SetLogy();
TMultiGraph *m_pions=new TMultiGraph();
m_pions->SetName("m_pions");
if(inclPqcd){
m_pions->Add(kkp,"c");
m_pions->Add(kkp05,"c");
m_pions->Add(kkp2,"c");
}
if(inclSasha){
m_pions->Add(sasha_pp05);
}
if(inclFrank){
m_pions->Add(frank_pp);
}
if(inclPhenix){
m_pions->Add(phenix_pp);
}
//g_pionXsMB->Print();
//cout<<endl<<endl;
//g_pionXsHT1->Print();
//cout<<endl<<endl;
//g_pionXsHT2->Print();
//cout<<endl;
m_pions->Add(g_pionXsMB);
m_pions->Add(g_pionXsHT1);
m_pions->Add(g_pionXsHT2);
m_pions->SetMinimum(1.0e-9);
m_pions->SetMaximum(1.);
m_pions->Draw("ap");
//fitQCD->Draw("same");
m_pions->GetXaxis()->SetLabelSize(0.);
m_pions->GetYaxis()->SetTitle("Ed^{3}#sigma/dp^{3} (mb GeV^{-2}c^{2})");
TLegend *leg=new TLegend(.5,.5,.85,.85);
if(inclPhenix) leg->AddEntry(phenix_pp,"PHENIX p+p","p");
if(inclFrank) leg->AddEntry(frank_pp,"STAR preliminary (upd.)","p");
if(inclSasha) leg->AddEntry(sasha_pp05,"O.Grebenyuk p+p","p");
leg->AddEntry(g_pionXsMB,"p+p minimum bias","p");
leg->AddEntry(g_pionXsHT1,"hightower 1","p");
leg->AddEntry(g_pionXsHT2,"hightower 2","p");
if(inclPqcd){
leg->AddEntry(kkp,"kkp + CTEQ6m, #mu=p_{T}","l");
leg->AddEntry(kkp2,"#mu=2p_{T},p_{T}/2","l");
leg->Draw("same");
}
leg->SetFillColor(0);
leg->Draw();
compare->cd();
padb->Draw();
padb->cd();
TGraphErrors *sasha_pp05_overPqcd=new TGraphErrors(*sasha_pp05);
divideGraphWithGraph(sasha_pp05_overPqcd,kkp);
TGraphErrors *phenix_pp05_overPqcd=new TGraphErrors(*phenix_pp);
divideGraphWithGraph(phenix_pp05_overPqcd,kkp);
TGraphErrors *g_pionXsMB_overPqcd=new TGraphErrors(*g_pionXsMB);
divideGraphWithGraph(g_pionXsMB_overPqcd,kkp);
TGraphErrors *g_pionXsHT1_overPqcd=new TGraphErrors(*g_pionXsHT1);
divideGraphWithGraph(g_pionXsHT1_overPqcd,kkp);
TGraphErrors *g_pionXsHT2_overPqcd=new TGraphErrors(*g_pionXsHT2);
divideGraphWithGraph(g_pionXsHT2_overPqcd,kkp);
TGraphErrors *frank_pp05_overPqcd=new TGraphErrors(*frank_pp);
divideGraphWithGraph(frank_pp05_overPqcd,kkp);
TGraphErrors *kkp05_ratio=new TGraphErrors(*kkp05);
divideGraphWithGraph(kkp05_ratio,kkp);
TGraphErrors *kkp_ratio=new TGraphErrors(*kkp);
divideGraphWithGraph(kkp_ratio,kkp);
TGraphErrors *kkp2_ratio=new TGraphErrors(*kkp2);
divideGraphWithGraph(kkp2_ratio,kkp);
//systematic errors:
TGraphErrors *g_pionXsMB_sys=new TGraphErrors(*g_pionXsMB_overPqcd);
set_sys_pp_pion(g_pionXsMB_sys);
TGraphErrors *g_pionXsHT1_sys=new TGraphErrors(*g_pionXsHT1_overPqcd);
set_sys_pp_pion(g_pionXsHT1_sys);
TGraphErrors *g_pionXsHT2_sys=new TGraphErrors(*g_pionXsHT2_overPqcd);
set_sys_pp_pion(g_pionXsHT2_sys);
TMultiGraph *m_pions_over_pqcd=new TMultiGraph();
m_pions_over_pqcd->SetMinimum(0.0);
m_pions_over_pqcd->SetMaximum(2.5);
if(inclPqcd){
m_pions_over_pqcd->Add(kkp05_ratio,"c");
m_pions_over_pqcd->Add(kkp_ratio,"c");
m_pions_over_pqcd->Add(kkp2_ratio,"c");
}
m_pions_over_pqcd->Add(g_pionXsMB_overPqcd);
m_pions_over_pqcd->Add(g_pionXsHT1_overPqcd);
m_pions_over_pqcd->Add(g_pionXsHT2_overPqcd);
//m_pions_over_pqcd->Add(g_pionXsMB_sys,"c");
//m_pions_over_pqcd->Add(g_pionXsHT1_sys,"c");
//m_pions_over_pqcd->Add(g_pionXsHT2_sys,"c");
if(inclPhenix) m_pions_over_pqcd->Add(phenix_pp05_overPqcd);
if(inclFrank) m_pions_over_pqcd->Add(frank_pp05_overPqcd);
if(inclSasha) m_pions_over_pqcd->Add(sasha_pp05_overPqcd);
//m_pions_over_pqcd->Draw("ap");
//m_pions_over_pqcd->GetXaxis()->SetTitle("p_{T} (GeV/c)");
compare->SaveAs((dir+"pionxsec_pp.eps").Data());
compare->SaveAs((dir+"pionxsec_pp.root").Data());
TMultiGraph *m_pions_over_fit=new TMultiGraph();
m_pions_over_fit->SetMinimum(0.01);
m_pions_over_fit->SetMaximum(1.99);
TGraphErrors *g_pionXsMB_overFit=new TGraphErrors(*g_pionXsMB);
divideGraphWithFunction(g_pionXsMB_overFit,fitQCD);
TGraphErrors *g_pionXsHT1_overFit=new TGraphErrors(*g_pionXsHT1);
divideGraphWithFunction(g_pionXsHT1_overFit,fitQCD);
TGraphErrors *g_pionXsHT2_overFit=new TGraphErrors(*g_pionXsHT2);
divideGraphWithFunction(g_pionXsHT2_overFit,fitQCD);
m_pions_over_fit->Add(g_pionXsMB_overFit);
m_pions_over_fit->Add(g_pionXsHT1_overFit);
m_pions_over_fit->Add(g_pionXsHT2_overFit);
m_pions_over_fit->Draw("ap");
compare->SaveAs((dir+"pionxsec_pp_overfit.eps").Data());
compare->SaveAs((dir+"pionxsec_pp_overfit.root").Data());
TCanvas *compare2=new TCanvas("compare2","compare2;p_{T};yield divided by fit",600,300);
compare2->cd();
//divide by fit:
TGraphErrors *frank_pp2=new TGraphErrors(*frank_pp);
divideGraphWithFunction(frank_pp2,fitQCD);
TGraphErrors *sasha_pp2=new TGraphErrors(*sasha_pp05);
divideGraphWithFunction(sasha_pp2,fitQCD);
TGraphErrors *phenix_pp2=new TGraphErrors(*phenix_pp);
divideGraphWithFunction(phenix_pp2,fitQCD);
TGraphErrors *g_pionXsMBcopy=new TGraphErrors(*g_pionXsMB);
divideGraphWithFunction(g_pionXsMBcopy,fitQCD);
TGraphErrors *g_pionXsHT1copy=new TGraphErrors(*g_pionXsHT1);
divideGraphWithFunction(g_pionXsHT1copy,fitQCD);
TGraphErrors *g_pionXsHT2copy=new TGraphErrors(*g_pionXsHT2);
divideGraphWithFunction(g_pionXsHT2copy,fitQCD);
inclPhenix=true;
inclFrank=false;
inclSasha=false;
inclPqcd=false;
TMultiGraph *m_pions2=new TMultiGraph();
m_pions2->SetName("m_pions2");
if(inclSasha) m_pions2->Add(sasha_pp2);
if(inclFrank) m_pions2->Add(frank_pp2);
if(inclPhenix) m_pions2->Add(phenix_pp2);
m_pions2->Add(g_pionXsMBcopy);
m_pions2->Add(g_pionXsHT1copy);
m_pions2->Add(g_pionXsHT2copy);
m_pions2->SetMinimum(0.000001);
m_pions2->SetMaximum(3.);
m_pions2->Draw("ap");
TLegend *legg=new TLegend(.25,.55,.65,.85);
legg->AddEntry(g_pionXsMBcopy,"minimum bias","p");
legg->AddEntry(g_pionXsHT1copy,"hightower 1","p");
legg->AddEntry(g_pionXsHT2copy,"hightower 2","p");
if(inclFrank) legg->AddEntry(frank_pp2,"Frank's p+p (upd.)","p");
if(inclSasha) legg->AddEntry(sasha_pp2,"Sasha's p+p","p");
if(inclPhenix) legg->AddEntry(phenix_pp,"PHENIX p+p","p");
legg->Draw("same");
legg->SetFillColor(0);
compare2->cd(0);
compare2->SaveAs((dir+"pionxsec_pp_ratio.eps").Data());
compare2->SaveAs((dir+"pionxsec_pp_ratio.root").Data());
//********************************************
// Get double ratio:
//********************************************
//pion decay photon eff:
TFile gg(eFile.Data(),"OPEN");
TH1F *effGammaMB=new TH1F(*h_effDaughtersMB);
TH1F *effGammaHT1=new TH1F(*h_effDaughtersHT1);
TH1F *effGammaHT2=new TH1F(*h_effDaughtersHT2);
//single photon eff:
TFile gg_single(eFileGamma.Data(),"OPEN");
TH1F *effGammaSingleMB=new TH1F(*h_effMB);
TH1F *effGammaSingleHT1=new TH1F(*h_effHT1);
TH1F *effGammaSingleHT2=new TH1F(*h_effHT2);
//raw neutral clusters:
TFile ff(pi0File.Data(),"OPEN");
TH1F *gammaYieldMB=new TH1F(*h_gammaMB);
TH1F *gammaYieldHT1=new TH1F(*h_gammaHT1);
TH1F *gammaYieldHT2=new TH1F(*h_gammaHT2);
//divide rap. bite:
gammaYieldMB->Scale(1./dy_gamma);
gammaYieldHT1->Scale(1./dy_gamma);
gammaYieldHT2->Scale(1./dy_gamma);
for(Int_t i=1;i<=gammaYieldMB->GetNbinsX();i++){
gammaYieldMB->SetBinContent(i,gammaYieldMB->GetBinContent(i)/gammaYieldMB->GetXaxis()->GetBinWidth(i));
gammaYieldMB->SetBinError(i,gammaYieldMB->GetBinError(i)/gammaYieldMB->GetXaxis()->GetBinWidth(i));
}
gammaYieldMB->Scale(psMB/(psMB*numberOfMB*2.*TMath::Pi()));
gammaYieldMB->Divide(scale);// ../pT
gammaYieldMB->Multiply(h_binmb);
gammaYieldMB->Divide(effGammaMB);
gammaYieldMB->Multiply(gamma_cpv_corrMB);
gammaYieldMB->Multiply(gamma_cont_corrMB);
gammaYieldMB->Multiply(gamma_conv_corrMB);
gammaYieldMB->SetMarkerStyle(8);
gammaYieldMB->SetMarkerSize(1.);
TGraphErrors *g_inclPhotonsMB=new TGraphErrors(gammaYieldMB);
for(Int_t i=1;i<=gammaYieldHT1->GetNbinsX();i++){
gammaYieldHT1->SetBinContent(i,gammaYieldHT1->GetBinContent(i)/gammaYieldHT1->GetXaxis()->GetBinWidth(i));
gammaYieldHT1->SetBinError(i,gammaYieldHT1->GetBinError(i)/gammaYieldHT1->GetXaxis()->GetBinWidth(i));
}
gammaYieldHT1->Scale(psHT1/(psMB*nMBwithHT*2.*TMath::Pi()));
gammaYieldHT1->Divide(scale);// ../pT
gammaYieldHT1->Multiply(h_binht1);
gammaYieldHT1->Divide(effGammaHT1);
gammaYieldHT1->Multiply(gamma_cpv_corrHT1);
gammaYieldHT1->Multiply(gamma_cont_corrHT1);
gammaYieldHT1->Multiply(gamma_conv_corrHT1);
gammaYieldHT1->SetMarkerStyle(8);
gammaYieldHT1->SetMarkerSize(1.);
gammaYieldHT1->SetMarkerColor(4);
TGraphErrors *g_inclPhotonsHT1=new TGraphErrors(gammaYieldHT1);
for(Int_t i=1;i<=gammaYieldHT2->GetNbinsX();i++){
gammaYieldHT2->SetBinContent(i,gammaYieldHT2->GetBinContent(i)/gammaYieldHT2->GetXaxis()->GetBinWidth(i));
gammaYieldHT2->SetBinError(i,gammaYieldHT2->GetBinError(i)/gammaYieldHT2->GetXaxis()->GetBinWidth(i));
}
gammaYieldHT2->Scale(psHT2/(psMB*nMBwithHT*2.*TMath::Pi()));
gammaYieldHT2->Divide(scale);// ../pT
gammaYieldHT2->Multiply(h_binht2);
gammaYieldHT2->Divide(effGammaHT2);
gammaYieldHT2->Multiply(gamma_cpv_corrHT2);
gammaYieldHT2->Multiply(gamma_cont_corrHT2);
gammaYieldHT2->Multiply(gamma_conv_corrHT2);
gammaYieldHT2->SetMarkerStyle(8);
gammaYieldHT2->SetMarkerSize(1.);
gammaYieldHT2->SetMarkerColor(2);
TGraphErrors *g_inclPhotonsHT2=new TGraphErrors(gammaYieldHT2);
removeThesePoints(g_inclPhotonsMB,1);
removeThesePoints(g_inclPhotonsHT1,2);
removeThesePoints(g_inclPhotonsHT2,2);
TMultiGraph *m_incl=new TMultiGraph();
m_incl->SetName("m_incl");
m_incl->SetTitle("inclusive photon invariant yield 0<y<1;p_{T} (GeV/c);#frac{1}{2#piNp_{T}} #frac{d^{2}N}{dydp_{T}}");
m_incl->Add(g_inclPhotonsMB);
m_incl->Add(g_inclPhotonsHT1);
m_incl->Add(g_inclPhotonsHT2);
m_incl->Fit(fitQCD,"R0");
m_incl->SetMinimum(1.e-11);
m_incl->SetMaximum(10.);
TCanvas *c_incl=new TCanvas("c_incl","c_incl",600,400);
gPad->SetLogy();
m_incl->Draw("ap");
c_incl->SaveAs((dir+"inclPhotonYield.eps").Data());
c_incl->SaveAs((dir+"inclPhotonYield.root").Data());
//get ratio:
TH1F *gammaYieldMBratio=new TH1F(*gammaYieldMB);
gammaYieldMBratio->SetName("gammaYieldMBratio");
TH1F *gammaYieldHT1ratio=new TH1F(*gammaYieldHT1);
gammaYieldHT1ratio->SetName("gammaYieldHT1ratio");
TH1F *gammaYieldHT2ratio=new TH1F(*gammaYieldHT2);
gammaYieldHT2ratio->SetName("gammaYieldHT2ratio");
gammaYieldMBratio->Divide(pionYieldMBratio);
gammaYieldHT1ratio->Divide(pionYieldHT1ratio);
gammaYieldHT2ratio->Divide(pionYieldHT2ratio);
//correct gamma over pion ratio, using two efficiencies:
getRatio(gammaYieldMBratio,effGammaMB,effGammaSingleMB,fit_piondecay);
getRatio(gammaYieldHT1ratio,effGammaHT1,effGammaSingleHT1,fit_piondecay);
getRatio(gammaYieldHT2ratio,effGammaHT2,effGammaSingleHT2,fit_piondecay);
TH1F *gammaYieldMBratio_incl=new TH1F(*gammaYieldMBratio);
TH1F *gammaYieldHT1ratio_incl=new TH1F(*gammaYieldHT1ratio);
TH1F *gammaYieldHT2ratio_incl=new TH1F(*gammaYieldHT2ratio);
TH1F *gammaYieldMBratioNoErr=new TH1F(*gammaYieldMBratio);
TH1F *gammaYieldHT1ratioNoErr=new TH1F(*gammaYieldHT1ratio);
TH1F *gammaYieldHT2ratioNoErr=new TH1F(*gammaYieldHT2ratio);
for(int i=1;i<=gammaYieldMBratioNoErr->GetNbinsX();i++){
gammaYieldMBratioNoErr->SetBinError(i,0.);
}
for(int i=1;i<=gammaYieldHT1ratioNoErr->GetNbinsX();i++){
gammaYieldHT1ratioNoErr->SetBinError(i,0.);
}
for(int i=1;i<=gammaYieldHT2ratioNoErr->GetNbinsX();i++){
gammaYieldHT2ratioNoErr->SetBinError(i,0.);
}
TGraphErrors *g_ratioMB=new TGraphErrors(gammaYieldMBratio);
g_ratioMB->SetName("g_ratioMB");
TGraphErrors *g_ratioHT1=new TGraphErrors(gammaYieldHT1ratio);
g_ratioHT1->SetName("g_ratioHT1");
TGraphErrors *g_ratioHT2=new TGraphErrors(gammaYieldHT2ratio);
g_ratioHT2->SetName("g_ratioHT2");
removeThesePoints(g_ratioMB,1);
removeThesePoints(g_ratioHT1,2);
removeThesePoints(g_ratioHT2,3);
TCanvas *c_ratio=new TCanvas("c_ratio","c_ratio",400,200);
TMultiGraph *m_ratio=new TMultiGraph("m_ratio","p+p 2005;p_{T};#gamma/#pi^{0}");
m_ratio->Add(g_ratioMB);
m_ratio->Add(g_ratioHT1);
m_ratio->Add(g_ratioHT2);
m_ratio->Draw("ap");
m_ratio->SetMinimum(.001);
m_ratio->SetMaximum(1.5);
TLegend *leg3=new TLegend(.35,.65,.65,.85);
leg3->AddEntry(g_ratioMB,"minimum bias","p");
leg3->AddEntry(g_ratioHT1,"hightower 1","p");
leg3->AddEntry(g_ratioHT2,"hightower 2","p");
leg3->AddEntry(fit_decay,"decay background (total)","l");
leg3->AddEntry(fit_piondecay,"decay background (#pi^{0})","l");
leg3->SetFillColor(0);
leg3->Draw("same");
fit_decay->SetLineColor(13);
fit_decay->SetLineWidth(1);
fit_decay->SetLineColor(1);
fit_decay->Draw("same");
fit_piondecay->SetLineColor(13);
fit_piondecay->SetLineWidth(1);
fit_piondecay->SetLineStyle(2);
fit_piondecay->SetLineColor(1);
fit_piondecay->Draw("same");
c_ratio->SaveAs((dir+"gammaOverPion.eps").Data());
c_ratio->SaveAs((dir+"gammaOverPion.root").Data());
//create fully corrected incl. photons:
gammaYieldMBratio_incl->Multiply(pionYieldMBratio);
gammaYieldHT1ratio_incl->Multiply(pionYieldHT1ratio);
gammaYieldHT2ratio_incl->Multiply(pionYieldHT2ratio);
//gammaYieldMBratio_incl->Scale(7.5);
//gammaYieldHT1ratio_incl->Scale(7.5);
//gammaYieldHT2ratio_incl->Scale(7.5);
TGraphErrors *g_incl_corrMB=new TGraphErrors(gammaYieldMBratio_incl);
TGraphErrors *g_incl_corrHT1=new TGraphErrors(gammaYieldHT1ratio_incl);
TGraphErrors *g_incl_corrHT2=new TGraphErrors(gammaYieldHT2ratio_incl);
TCanvas *c_incl_corr=new TCanvas("c_incl_corr","c_incl_corr",400,300);
gPad->SetLogy();
TMultiGraph *m_incl_corr=new TMultiGraph();
m_incl_corr->Add(g_incl_corrMB);
m_incl_corr->Add(g_incl_corrHT1);
m_incl_corr->Add(g_incl_corrHT2);
m_incl_corr->SetMinimum(1.e-11);
m_incl_corr->SetMaximum(1.);
m_incl_corr->Draw("apX");
c_incl_corr->SaveAs((dir+"inclPhotonYieldCorr.eps").Data());
c_incl_corr->SaveAs((dir+"inclPhotonYieldCorr.root").Data());
TCanvas *c_doubleratio=new TCanvas("c_doubleratio","c_doubleratio",400,300);
gStyle->SetOptStat(0);
c_doubleratio->cd(1);
TH1F *gammaYieldMBdoubleratio=new TH1F(*gammaYieldMBratio);
TH1F *gammaYieldHT1doubleratio=new TH1F(*gammaYieldHT1ratio);
TH1F *gammaYieldHT2doubleratio=new TH1F(*gammaYieldHT2ratio);
gammaYieldMBdoubleratio->Divide(fit_decay);
gammaYieldHT1doubleratio->Divide(fit_decay);
gammaYieldHT2doubleratio->Divide(fit_decay);
TGraphErrors *g_doubleRatioMB=new TGraphErrors(gammaYieldMBdoubleratio);
g_doubleRatioMB->SetName("g_doubleRatioMB");
g_doubleRatioMB->SetMarkerStyle(8);
TGraphErrors *g_doubleRatioHT1=new TGraphErrors(gammaYieldHT1doubleratio);
g_doubleRatioHT1->SetName("g_doubleRatioHT1");
g_doubleRatioHT1->SetMarkerStyle(8);
TGraphErrors *g_doubleRatioHT2=new TGraphErrors(gammaYieldHT2doubleratio);
g_doubleRatioHT2->SetName("g_doubleRatioHT2");
g_doubleRatioHT2->SetMarkerStyle(8);
removeThesePoints(g_doubleRatioMB,1);
removeThesePoints(g_doubleRatioHT1,2);
removeThesePoints(g_doubleRatioHT2,3);
TMultiGraph *m_doubleratio=new TMultiGraph();
m_doubleratio->SetName("m_doubleratio");
m_doubleratio->SetMinimum(.5);
m_doubleratio->SetMaximum(2.75);
cout<<endl;
g_doubleRatioHT1->Print();
cout<<endl<<endl;
g_doubleRatioHT2->Print();
cout<<endl;
//m_doubleratio->Add(g_doubleRatioMB,"p");
m_doubleratio->Add(g_doubleRatioHT1,"p");
m_doubleratio->Add(g_doubleRatioHT2,"p");
g_photonpqcd->SetLineWidth(2);
g_photonpqcd->SetLineColor(2);
g_photonpqcd05->SetLineWidth(2);
g_photonpqcd05->SetLineColor(2);
g_photonpqcd05->SetLineStyle(2);
g_photonpqcd2->SetLineWidth(2);
g_photonpqcd2->SetLineColor(2);
g_photonpqcd2->SetLineStyle(2);
m_doubleratio->Add(g_photonpqcd,"c");
m_doubleratio->Add(g_photonpqcd05,"c");
m_doubleratio->Add(g_photonpqcd2,"c");
//appropriate fit to photon pqcd result
TF1 *fitGamma2=new TF1("fitGamma2","1.+[0]*pow(x,[1])",2.,15.);
g_photonpqcd->Fit(fitGamma2,"R0");
m_doubleratio->Draw("a");
m_doubleratio->GetXaxis()->SetTitle("p_{T} (GeV/c)");
m_doubleratio->GetYaxis()->SetTitle("1 + #gamma_{dir}/#gamma_{incl}");
m_doubleratio->GetXaxis()->SetRangeUser(2.,16.);
TLegend *leg5=new TLegend(.15,.6,.6,.8);
leg5->AddEntry(g_doubleRatioHT1,"hightower-1","p");
leg5->AddEntry(g_doubleRatioHT2,"hightower-2","p");
leg5->AddEntry(g_photonpqcd,"NLO (CTEQ6+KKP) #mu=p_{T}","l");
leg5->AddEntry(g_photonpqcd05,"#mu=2p_{T}, #mu=p_{T}/2","l");
leg5->SetFillColor(0);
leg5->Draw("same");
c_doubleratio->cd(0);
c_doubleratio->SaveAs((dir+"gammaDoubleRatio.eps").Data());
c_doubleratio->SaveAs((dir+"gammaDoubleRatio.root").Data());
TCanvas *c_dirphoton=new TCanvas("c_dirphoton","c_dirphoton",400,300);
gStyle->SetOptStat(0);
c_dirphoton->cd(1);
TH1F *dirphotonYieldMB=new TH1F(*gammaYieldMBdoubleratio);
TH1F *dirphotonYieldHT1=new TH1F(*gammaYieldHT1doubleratio);
TH1F *dirphotonYieldHT2=new TH1F(*gammaYieldHT2doubleratio);
TH1F *dirphotonYieldMBnoErr=new TH1F(*dirphotonYieldMB);
for(int i=1;i<=dirphotonYieldMBnoErr->GetNbinsX();i++){
dirphotonYieldMBnoErr->SetBinError(i,0.);
}
TH1F *dirphotonYieldHT1noErr=new TH1F(*dirphotonYieldHT1);
for(int i=1;i<=dirphotonYieldHT1noErr->GetNbinsX();i++){
dirphotonYieldHT1noErr->SetBinError(i,0.);
}
TH1F *dirphotonYieldHT2noErr=new TH1F(*dirphotonYieldHT2);
for(int i=1;i<=dirphotonYieldHT1noErr->GetNbinsX();i++){
dirphotonYieldHT2noErr->SetBinError(i,0.);
}
TF1 *f_unity=new TF1("f_unity","1.",0.,15.);
dirphotonYieldMB->Add(f_unity,-1.);
dirphotonYieldHT1->Add(f_unity,-1.);
dirphotonYieldHT2->Add(f_unity,-1.);
dirphotonYieldMB->Divide(dirphotonYieldMBnoErr);
dirphotonYieldHT1->Divide(dirphotonYieldHT1noErr);
dirphotonYieldHT2->Divide(dirphotonYieldHT2noErr);
dirphotonYieldMB->Multiply(gammaYieldMBratioNoErr);
dirphotonYieldHT1->Multiply(gammaYieldHT1ratioNoErr);
dirphotonYieldHT2->Multiply(gammaYieldHT2ratioNoErr);
dirphotonYieldMB->Multiply(pionXsMBnoErr);
dirphotonYieldHT1->Multiply(pionXsHT1noErr);
dirphotonYieldHT2->Multiply(pionXsHT2noErr);
TGraphErrors *g_dirphotonMB=new TGraphErrors(dirphotonYieldMB);
g_dirphotonMB->SetName("g_dirphotonMB");
g_dirphotonMB->SetMarkerStyle(8);
TGraphErrors *g_dirphotonHT1=new TGraphErrors(dirphotonYieldHT1);
g_dirphotonHT1->SetName("g_dirphotonHT1");
g_dirphotonHT1->SetMarkerStyle(8);
TGraphErrors *g_dirphotonHT2=new TGraphErrors(dirphotonYieldHT2);
g_dirphotonHT2->SetName("g_dirphotonHT2");
g_dirphotonHT2->SetMarkerStyle(8);
removeThesePoints(g_dirphotonMB,1);
removeThesePoints(g_dirphotonHT1,2);
removeThesePoints(g_dirphotonHT2,3);
gPad->SetLogy();
TMultiGraph *m_dirphoton=new TMultiGraph();
m_dirphoton->SetName("m_dirphoton");
m_dirphoton->SetMinimum(1.0e-11);
m_dirphoton->SetMaximum(0.1);
m_dirphoton->Add(g_dirgamma,"c");
m_dirphoton->Add(g_dirgamma05,"c");
m_dirphoton->Add(g_dirgamma2,"c");
cout<<"direct photons:"<<endl;
g_dirphotonHT1->Print();
cout<<endl;
g_dirphotonHT2->Print();
cout<<endl;
m_dirphoton->Add(g_dirphotonHT1,"p");
m_dirphoton->Add(g_dirphotonHT2,"p");
m_dirphoton->Draw("a");
m_dirphoton->GetXaxis()->SetTitle("p_{T} (GeV/c)");
m_dirphoton->GetYaxis()->SetTitle("1 - R^{-1}");
m_dirphoton->GetXaxis()->SetRangeUser(2.,16.);
TLegend *leg5=new TLegend(.15,.6,.6,.8);
leg5->AddEntry(g_dirphotonHT1,"hightower-1","p");
leg5->AddEntry(g_dirphotonHT2,"hightower-2","p");
leg5->SetFillColor(0);
leg5->Draw("same");
c_dirphoton->cd(0);
c_dirphoton->SaveAs((dir+"gammaDirPhoton.eps").Data());
c_dirphoton->SaveAs((dir+"gammaDirPhoton.root").Data());
return;
}
