-
Notifications
You must be signed in to change notification settings - Fork 1
/
DisplayDistributions_ttbar.cc
227 lines (189 loc) · 9.89 KB
/
DisplayDistributions_ttbar.cc
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
#include <TH1F.h>
#include <TH2F.h>
#include <TROOT.h>
#include <TFile.h>
#include <TTree.h>
#include <TSystem.h>
#include <TChain.h>
#include <TLorentzVector.h>
#include <TLegend.h>
#include <TCanvas.h>
#include <TProfile.h>
#include <iostream>
#include <TFractionFitter.h>
#include <TStyle.h>
#include <TPaveText.h>
#include <THStack.h>
#include <TArrow.h>
std::string ftoa(double i)
{
char res[10];
sprintf(res, "%f", i);
std::string ret(res);
return ret;
}
std::string itoa(int i)
{
char res[10];
sprintf(res, "%d", i);
std::string ret(res);
return ret;
}
int DisplayDistributions_ttbar()
{
double totalLuminosity=17928; // /pb
double xsec_ttbar=225.197; // pb
double br_ttbar_fulllept=(2.*0.108)*(2.*0.108);
double br_ttbar_semilept=2*(2.*0.108)*0.67;
double br_ttbar_hadronic=0.676*0.676;
double xsec_ttbar_fulllept=xsec_ttbar*br_ttbar_fulllept;
double xsec_ttbar_semilept=xsec_ttbar*br_ttbar_semilept;
double xsec_ttbar_hadronic=xsec_ttbar*br_ttbar_hadronic;
int rebin=1;
xsec_ttbar_fulllept=24.56;
xsec_ttbar_semilept=103.12;
xsec_ttbar_hadronic=106.32;
std::string tags="MMMM_nominal"; // MMMMbar, or MMMM_nominal
std::string region="a_KinFit"; // a_KinFit, or b_KinFit
TFile *ttbar_fulllept=new TFile((tags+"/"+region+"/Histograms_TTJets_FullLeptMGDecays_8TeV-madgraph_Skim.root").c_str());
TFile *ttbar_semilept=new TFile((tags+"/"+region+"/Histograms_TTJets_SemiLeptMGDecays_8TeV-madgraph_Skim.root").c_str());
TFile *ttbar_hadronic=new TFile((tags+"/"+region+"/Histograms_TTJets_HadronicMGDecays_8TeV-madgraph_Skim.root").c_str());
TFile *data=new TFile((tags+"/"+region+"/Histograms_BJetPlusX_Run2012BCD_Skim.root").c_str());
double init_ttbar_fulllept=((TH1F*)ttbar_fulllept->Get("CountWithPU"))->GetBinContent(1);
double init_ttbar_semilept=((TH1F*)ttbar_semilept->Get("CountWithPU"))->GetBinContent(1);
double init_ttbar_hadronic=((TH1F*)ttbar_hadronic->Get("CountWithPU"))->GetBinContent(1);
std::cout<<"init_ttbar_fulllept = "<<init_ttbar_fulllept<<std::endl;
std::cout<<"init_ttbar_semilept = "<<init_ttbar_semilept<<std::endl;
std::cout<<"init_ttbar_hadronic = "<<init_ttbar_hadronic<<std::endl;
double scale_ttbar_fulllept=totalLuminosity*xsec_ttbar_fulllept/init_ttbar_fulllept;
double scale_ttbar_semilept=totalLuminosity*xsec_ttbar_semilept/init_ttbar_semilept;
double scale_ttbar_hadronic=totalLuminosity*xsec_ttbar_hadronic/init_ttbar_hadronic;
std::cout<<"xsec_ttbar_fulllept = "<<xsec_ttbar_fulllept<<" pb"<<std::endl;
std::cout<<"xsec_ttbar_semilept = "<<xsec_ttbar_semilept<<" pb"<<std::endl;
std::cout<<"xsec_ttbar_hadronic = "<<xsec_ttbar_hadronic<<" pb"<<std::endl;
std::cout<<"scale_ttbar_fulllept = "<<scale_ttbar_fulllept<<std::endl;
std::cout<<"scale_ttbar_semilept = "<<scale_ttbar_semilept<<std::endl;
std::cout<<"scale_ttbar_hadronic = "<<scale_ttbar_hadronic<<std::endl;
TH1F *h_mX_SR_ttbar_fulllept=(TH1F*)ttbar_fulllept->Get("h_mX_SR");
TH1F *h_mX_SR_ttbar_semilept=(TH1F*)ttbar_semilept->Get("h_mX_SR");
TH1F *h_mX_SR_ttbar_hadronic=(TH1F*)ttbar_hadronic->Get("h_mX_SR");
TH1F *h_mX_CR2_ttbar_fulllept=(TH1F*)ttbar_fulllept->Get("h_mX_CR2");
TH1F *h_mX_CR2_ttbar_semilept=(TH1F*)ttbar_semilept->Get("h_mX_CR2");
TH1F *h_mX_CR2_ttbar_hadronic=(TH1F*)ttbar_hadronic->Get("h_mX_CR2");
TH1F *h_mX_CR4_ttbar_fulllept=(TH1F*)ttbar_fulllept->Get("h_mX_CR4");
TH1F *h_mX_CR4_ttbar_semilept=(TH1F*)ttbar_semilept->Get("h_mX_CR4");
TH1F *h_mX_CR4_ttbar_hadronic=(TH1F*)ttbar_hadronic->Get("h_mX_CR4");
TH1F *h_mX_SB_ttbar_fulllept=(TH1F*)h_mX_CR2_ttbar_fulllept->Clone("h_mX_SB"); h_mX_SB_ttbar_fulllept->Add(h_mX_CR4_ttbar_fulllept);
TH1F *h_mX_SB_ttbar_semilept=(TH1F*)h_mX_CR2_ttbar_semilept->Clone("h_mX_SB"); h_mX_SB_ttbar_semilept->Add(h_mX_CR4_ttbar_semilept);
TH1F *h_mX_SB_ttbar_hadronic=(TH1F*)h_mX_CR2_ttbar_hadronic->Clone("h_mX_SB"); h_mX_SB_ttbar_hadronic->Add(h_mX_CR4_ttbar_hadronic);
// For data, if MMMM_nominal, take SB distribution and scale it to number of events in SR
TH1F *h_mX_SR_data=(TH1F*)data->Get("h_mX_SR"); double n_SR=h_mX_SR_data->GetSumOfWeights();
TH1F *h_mX_CR2_data=(TH1F*)data->Get("h_mX_CR2"); double n_CR2=h_mX_CR2_data->GetSumOfWeights();
TH1F *h_mX_CR4_data=(TH1F*)data->Get("h_mX_CR4"); double n_CR4=h_mX_CR4_data->GetSumOfWeights();
TH1F *h_mX_SB_data=(TH1F*)h_mX_CR2_data->Clone("h_mX_SB_data");
h_mX_SB_data->Add(h_mX_CR4_data);
if (tags=="MMMM_nominal")
{
h_mX_SR_data=(TH1F*)h_mX_SB_data->Clone("h_mX_SR_data");
h_mX_SR_data->Scale(n_SR/(n_CR2+n_CR4));
}
h_mX_SR_ttbar_fulllept->Scale(scale_ttbar_fulllept);
h_mX_SR_ttbar_semilept->Scale(scale_ttbar_semilept);
h_mX_SR_ttbar_hadronic->Scale(scale_ttbar_hadronic);
h_mX_SB_ttbar_fulllept->Scale(scale_ttbar_fulllept);
h_mX_SB_ttbar_semilept->Scale(scale_ttbar_semilept);
h_mX_SB_ttbar_hadronic->Scale(scale_ttbar_hadronic);
h_mX_SR_ttbar_fulllept->Rebin(rebin);
h_mX_SR_ttbar_semilept->Rebin(rebin);
h_mX_SR_ttbar_hadronic->Rebin(rebin);
h_mX_SB_ttbar_fulllept->Rebin(rebin);
h_mX_SB_ttbar_semilept->Rebin(rebin);
h_mX_SB_ttbar_hadronic->Rebin(rebin);
h_mX_SB_data->Rebin(rebin);
h_mX_SR_data->Rebin(rebin);
h_mX_SR_ttbar_fulllept->SetFillColor(kRed);
h_mX_SR_ttbar_semilept->SetFillColor(kBlue);
h_mX_SR_ttbar_hadronic->SetFillColor(kGreen);
h_mX_SB_ttbar_fulllept->SetFillColor(kRed);
h_mX_SB_ttbar_semilept->SetFillColor(kBlue);
h_mX_SB_ttbar_hadronic->SetFillColor(kGreen);
h_mX_SB_data->GetXaxis()->SetRangeUser(200, 1200);
h_mX_SR_data->GetXaxis()->SetRangeUser(200, 1200);
if (region=="a_KinFit")
{
h_mX_SB_data->SetTitle(("t#bar{t} Composition in SB; m_{X} GeV; Events / "+itoa(10*rebin)+" GeV").c_str());
h_mX_SR_data->SetTitle(("t#bar{t} Composition of Data-driven Background Estimate in SR; m_{X} GeV; Events / "+itoa(10*rebin)+" GeV").c_str());
}
else if (region=="b_KinFit")
{
h_mX_SB_data->SetTitle(("t#bar{t} Composition in VR-SB; m_{X} GeV; Events / "+itoa(10*rebin)+" GeV").c_str());
h_mX_SR_data->SetTitle(("t#bar{t} Composition of VR; m_{X} GeV; Events / "+itoa(10*rebin)+" GeV").c_str());
}
h_mX_SB_data->SetLineColor(kBlack);
h_mX_SR_data->SetLineColor(kBlack);
h_mX_SB_data->SetLineWidth(2);
h_mX_SR_data->SetLineWidth(2);
THStack *s_mX_SR_ttbar=new THStack("s_mX_SR_ttbar", "s_mX_SR_ttbar");
s_mX_SR_ttbar->Add(h_mX_SR_ttbar_hadronic, "hist");
s_mX_SR_ttbar->Add(h_mX_SR_ttbar_semilept, "hist");
s_mX_SR_ttbar->Add(h_mX_SR_ttbar_fulllept, "hist");
THStack *s_mX_SB_ttbar=new THStack("s_mX_SB_ttbar", "s_mX_SB_ttbar");
s_mX_SB_ttbar->Add(h_mX_SB_ttbar_hadronic, "hist");
s_mX_SB_ttbar->Add(h_mX_SB_ttbar_semilept, "hist");
s_mX_SB_ttbar->Add(h_mX_SB_ttbar_fulllept, "hist");
// Subtracted data histograms
TH1F *h_mX_SR_data_minusttbar=(TH1F*)h_mX_SR_data->Clone("h_mX_SR_data_minusttbar");
h_mX_SR_data_minusttbar->Add(h_mX_SR_ttbar_hadronic, -1);
h_mX_SR_data_minusttbar->Add(h_mX_SR_ttbar_semilept, -1);
h_mX_SR_data_minusttbar->Add(h_mX_SR_ttbar_fulllept, -1);
TH1F *h_mX_SB_data_minusttbar=(TH1F*)h_mX_SB_data->Clone("h_mX_SB_data_minusttbar");
h_mX_SB_data_minusttbar->Add(h_mX_SB_ttbar_hadronic, -1);
h_mX_SB_data_minusttbar->Add(h_mX_SB_ttbar_semilept, -1);
h_mX_SB_data_minusttbar->Add(h_mX_SB_ttbar_fulllept, -1);
h_mX_SR_data_minusttbar->SetLineColor(kBlue);
h_mX_SB_data_minusttbar->SetLineColor(kBlue);
TLegend *leg=new TLegend(0.5, 0.75, 0.9, 0.9);
if (tags=="MMMM_nominal") leg->AddEntry(h_mX_SR_data, "Data from SB scaled to 17.928 /fb");
else leg->AddEntry(h_mX_SR_data, "Data from SR in 17.928 /fb");
leg->AddEntry(h_mX_SR_ttbar_fulllept, "Leptonic t#bar{t}");
leg->AddEntry(h_mX_SR_ttbar_semilept, "Semi-leptonic t#bar{t}");
leg->AddEntry(h_mX_SR_ttbar_hadronic, "Hadronic t#bar{t}");
gROOT->SetStyle("Plain");
gStyle->SetOptStat(000000000);
TCanvas *c_mX_SR_ttbar=new TCanvas("c_mX_SR_ttbar", "c_mX_SR_ttbar", 700, 700);
h_mX_SR_data->Draw("ep9");
h_mX_SR_data_minusttbar->Draw("ep7 same");
s_mX_SR_ttbar->Draw("same");
double ks_SR=h_mX_SR_data->KolmogorovTest(h_mX_SR_data_minusttbar);
std::cout<<"ks_SR = "<<ks_SR<<std::endl;
TLegend *leg_SR=new TLegend(0.6, 0.55, 0.9, 0.6);
leg_SR->AddEntry((TObject*)0, ("KS(data, data-ttbar) = "+ftoa(ks_SR)).c_str(), "");
leg->Draw();
leg_SR->Draw();
s_mX_SR_ttbar->GetHistogram()->SetTitle("mX distribution in Central Region; m_{X} {GeV); Events / 40 GeV");
if (tags=="MMMM_nominal") c_mX_SR_ttbar->SetLogy();
c_mX_SR_ttbar->SaveAs(("c_mX_"+tags+"_"+region+"_SR_ttbar.png").c_str());
TCanvas *c_mX_SB_ttbar=new TCanvas("c_mX_SB_ttbar", "c_mX_SB_ttbar", 700, 700);
h_mX_SB_data->Draw("ep9");
h_mX_SB_data_minusttbar->Draw("ep7 same");
s_mX_SB_ttbar->Draw("same");
double ks_SB=h_mX_SB_data->KolmogorovTest(h_mX_SB_data_minusttbar);
std::cout<<"ks_SB = "<<ks_SB<<std::endl;
TLegend *leg_SB=new TLegend(0.6, 0.55, 0.9, 0.6);
leg_SB->AddEntry((TObject*)0, ("KS(data, data-ttbar) = "+ftoa(ks_SB)).c_str(), "");
leg->Draw();
leg_SB->Draw();
s_mX_SB_ttbar->GetHistogram()->SetTitle("mX distribution in Sideband Region; m_{X} {GeV); Events / 40 GeV");
if (tags=="MMMM_nominal") c_mX_SB_ttbar->SetLogy();
c_mX_SB_ttbar->SaveAs(("c_mX_"+tags+"_"+region+"_SB_ttbar.png").c_str());
double contrib_fulllept=h_mX_SR_ttbar_fulllept->GetSumOfWeights();
double contrib_semilept=h_mX_SR_ttbar_semilept->GetSumOfWeights();
double contrib_hadronic=h_mX_SR_ttbar_hadronic->GetSumOfWeights();
double contrib_data=h_mX_SR_data->GetSumOfWeights();
std::cout<<"Contribution of fully leptonic ttbar is "<<contrib_fulllept<<std::endl;
std::cout<<"Contribution of semi leptonic ttbar is "<<contrib_semilept<<std::endl;
std::cout<<"Contribution of hadronic ttbar is "<<contrib_hadronic<<std::endl;
std::cout<<"Total contribution of ttbar is "<<contrib_fulllept+contrib_semilept+contrib_hadronic<<std::endl;
std::cout<<"Number of events in data is "<<contrib_data<<std::endl;
return 1;
}