file analyses/Analysis_CMS_13TeV_2OSLEP_36invfb.cpp
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Namespaces
| Name |
|---|
| Gambit TODO: see if we can use this one: |
| Gambit::ColliderBit |
Classes
Source code
///
/// \author Rose Kudzman-Blais
/// \date 2017 May
///
/// Updated to paper analysis by Martin White
/// Mar 2018
/// *********************************************
// Based on http://cms-results.web.cern.ch/cms-results/public-results/publications/SUS-16-034/index.html
// Note that only the EW on-Z signal regions are included
#include <vector>
#include <cmath>
#include <memory>
#include <iomanip>
#include <fstream>
#include "gambit/ColliderBit/analyses/Analysis.hpp"
#include "gambit/ColliderBit/CMSEfficiencies.hpp"
#include "gambit/ColliderBit/mt2_bisect.h"
using namespace std;
namespace Gambit {
namespace ColliderBit {
// This analysis class is also a base class for the class
// Analysis_CMS_13TeV_2OSLEP_36invfb_nocovar defined further down.
// This is the same analysis, but it does not make use of the
// SR covariance information.
class Analysis_CMS_13TeV_2OSLEP_36invfb : public Analysis {
protected:
// Counters for the number of accepted events for each signal region
std::map<string, EventCounter> _counters = {
{"SR1", EventCounter("SR1")},
{"SR2", EventCounter("SR2")},
{"SR3", EventCounter("SR3")},
{"SR4", EventCounter("SR4")},
{"SR5", EventCounter("SR5")},
{"SR6", EventCounter("SR6")},
{"SR7", EventCounter("SR7")},
};
private:
vector<int> cutFlowVector;
vector<string> cutFlowVector_str;
size_t NCUTS;
vector<double> cutFlowVectorCMS_550_200;
ofstream cutflowFile;
public:
// Required detector sim
static constexpr const char* detector = "CMS";
struct ptComparison {
bool operator() (const HEPUtils::Particle* i,const HEPUtils::Particle* j) {return (i->pT()>j->pT());}
} comparePt;
struct ptJetComparison {
bool operator() (const HEPUtils::Jet* i,const HEPUtils::Jet* j) {return (i->pT()>j->pT());}
} compareJetPt;
Analysis_CMS_13TeV_2OSLEP_36invfb()
{
set_analysis_name("CMS_13TeV_2OSLEP_36invfb");
set_luminosity(35.9);
// xsecCMS_550_200=30.2;
NCUTS=13;
for (size_t i=0;i<NCUTS;i++){
cutFlowVector.push_back(0);
cutFlowVectorCMS_550_200.push_back(0);
cutFlowVector_str.push_back("");
}
}
void run(const HEPUtils::Event* event)
{
// Baseline objects
double met = event->met();
// Apply electron efficiency and collect baseline electrons
//@note Numbers digitized from https://twiki.cern.ch/twiki/pub/CMSPublic/SUSMoriond2017ObjectsEfficiency/2d_full_pteta_el_034_ttbar.pdf.
//@note The efficiency map has been extended to cover the low-pT region, using the efficiencies from BuckFast (CMSEfficiencies.hpp)
const vector<double> aEl={0., 0.8, 1.442, 1.556, 2., 2.5, DBL_MAX}; // Bin edges in eta
const vector<double> bEl={0., 10., 20., 25., 30., 40., 50., DBL_MAX}; // Bin edges in pT. Assume flat efficiency above 200, where the CMS map stops.
const vector<double> cEl={
// pT: (0,10), (10,20), (20,25), (25,30), (30,40), (40,50), (50,inf)
0.0, 0.95, 0.619, 0.669, 0.7, 0.737, 0.79, // eta: (0, 0.8)
0.0, 0.95, 0.625, 0.658, 0.72, 0.712, 0.793, // eta: (0.8, 1.4429
0.0, 0.95, 0.338, 0.372, 0.36, 0.365, 0.416, // eta: (1.442, 1.556)
0.0, 0.85, 0.576, 0.531, 0.614, 0.644, 0.712, // eta: (1.556, 2)
0.0, 0.85, 0.440, 0.527, 0.585, 0.606, 0.648, // eta: (2, 2.5)
0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, // eta > 2.5
};
HEPUtils::BinnedFn2D<double> _eff2dEl(aEl,bEl,cEl);
vector<const HEPUtils::Particle*> baselineElectrons;
for (const HEPUtils::Particle* electron : event->electrons())
{
bool isEl=has_tag(_eff2dEl, fabs(electron->eta()), electron->pT());
if (isEl && electron->pT()>12. && fabs(electron->eta())<2.5) baselineElectrons.push_back(electron);
}
// Apply muon efficiency and collect baseline muons
//@note Numbers digitized from https://twiki.cern.ch/twiki/pub/CMSPublic/SUSMoriond2017ObjectsEfficiency/2d_full_pteta_mu_034_ttbar.pdf
//@note The efficiency map has been extended to cover the low-pT region, using the efficiencies from BuckFast (CMSEfficiencies.hpp)
const vector<double> aMu={0., 0.9, 1.2, 2.1, 2.4, DBL_MAX}; // Bin edges in eta
const vector<double> bMu={0., 10., 20., 25., 30., 40., 50., DBL_MAX}; // Bin edges in pT. Assume flat efficiency above 200, where the CMS map stops.
const vector<double> cMu={
// pT: (0,10), (10,20), (20,25), (25,30), (30,40), (40,50), (50,inf)
0.0, 0.950, 0.869, 0.889, 0.910, 0.929, 0.930, // eta: (0, 0.9)
0.0, 0.950, 0.857, 0.880, 0.893, 0.937, 0.930, // eta: (0.9, 1.2)
0.0, 0.950, 0.891, 0.894, 0.901, 0.912, 0.927, // eta: (1.2, 2.1)
0.0, 0.950, 0.803, 0.818, 0.817, 0.855, 0.869, // eta: (2.1, 2.4)
0.0, 0.0, 0.0, 0.0, 0.0, 0.0, 0.0, // eta > 2.4
};
HEPUtils::BinnedFn2D<double> _eff2dMu(aMu,bMu,cMu);
vector<const HEPUtils::Particle*> baselineMuons;
for (const HEPUtils::Particle* muon : event->muons())
{
bool isMu=has_tag(_eff2dMu, fabs(muon->eta()), muon->pT());
if (isMu && muon->pT()>8. && fabs(muon->eta())<2.4) baselineMuons.push_back(muon);
}
// Baseline photons
vector<const HEPUtils::Particle*> baselinePhotons;
for (const HEPUtils::Particle* photon : event->photons())
{
if (photon->pT()>25. && fabs(photon->eta())<2.4 && (fabs(photon->eta())<1.4 || fabs(photon->eta())>1.6) && fabs(photon->phi()-event->missingmom().phi())>0.4)baselinePhotons.push_back(photon);
}
// Baseline jets
vector<const HEPUtils::Jet*> baselineJets;
for (const HEPUtils::Jet* jet : event->jets())
{
// We use 25 GeV rather than 35 GeV
// if (jet->pT()>35. &&fabs(jet->eta())<2.4) baselineJets.push_back(jet);
if (jet->pT()>25. &&fabs(jet->eta())<2.4) baselineJets.push_back(jet);
}
// Signal objects
vector<const HEPUtils::Particle*> signalLeptons;
vector<const HEPUtils::Particle*> signalElectrons;
vector<const HEPUtils::Particle*> signalMuons;
vector<const HEPUtils::Jet*> signalJets;
vector<const HEPUtils::Jet*> signalBJets;
// Signal electrons
for (size_t iEl=0;iEl<baselineElectrons.size();iEl++)
{
if (baselineElectrons.at(iEl)->pT()>20. && (fabs(baselineElectrons.at(iEl)->eta())<1.4 || fabs(baselineElectrons.at(iEl)->eta())>1.6)) signalElectrons.push_back(baselineElectrons.at(iEl));
}
// Signal muons
for (size_t iMu=0;iMu<baselineMuons.size();iMu++)
{
if (baselineMuons.at(iMu)->pT()>20. && (fabs(baselineMuons.at(iMu)->eta())<1.4 || fabs(baselineMuons.at(iMu)->eta())>1.6))signalMuons.push_back(baselineMuons.at(iMu));
}
// Signal jets and b-jets
sort(baselinePhotons.begin(),baselinePhotons.end(),comparePt);
for (size_t iJet=0;iJet<baselineJets.size();iJet++)
{
bool overlap=false;
for (size_t iLe=0;iLe<baselineElectrons.size();iLe++)
{
if (fabs(baselineElectrons.at(iLe)->mom().deltaR_eta(baselineJets.at(iJet)->mom()))<0.4)overlap=true;
}
for (size_t iLe=0;iLe<baselineMuons.size();iLe++)
{
if (fabs(baselineMuons.at(iLe)->mom().deltaR_eta(baselineJets.at(iJet)->mom()))<0.4)overlap=true;
}
if (baselinePhotons.size()!=0)
{
if (fabs(baselinePhotons.at(0)->mom().deltaR_eta(baselineJets.at(iJet)->mom()))<0.4)overlap=true;
}
if (!overlap) {
if (baselineJets.at(iJet)->pT() >= 35.)
{
signalJets.push_back(baselineJets.at(iJet));
}
// For the b-jets, jets down to pT > 25 should be considered
if (baselineJets.at(iJet)->btag())signalBJets.push_back(baselineJets.at(iJet));
}
}
CMS::applyCSVv2MediumBtagEffAndMisId(signalJets,signalBJets);
// Signal leptons = electrons + muons
signalLeptons=signalElectrons;
signalLeptons.insert(signalLeptons.end(),signalMuons.begin(),signalMuons.end());
int nSignalLeptons = signalLeptons.size();
int nSignalJets = signalJets.size();
int nSignalBJets = signalBJets.size();
sort(signalLeptons.begin(),signalLeptons.end(),comparePt);
sort(signalJets.begin(),signalJets.end(),compareJetPt);
sort(signalBJets.begin(),signalBJets.end(),compareJetPt);
// Variables + Preselection
bool preselection=false;
double mT2=0;
double mll=0;
double mjj=0;
double mbb=0;
double pT_j1=0;
double deltaPhi_met_j0=0;
double deltaPhi_met_j1=0;
vector<vector<const HEPUtils::Particle*>> SFOSpair_cont = getSFOSpairs(signalLeptons);
for (size_t iPa=0;iPa<SFOSpair_cont.size();iPa++)
{
vector<const HEPUtils::Particle*> pair = SFOSpair_cont.at(iPa);
sort(pair.begin(),pair.end(),comparePt);
if (pair.at(0)->pT()>25. && pair.at(1)->pT()>20. && fabs(pair.at(0)->mom().deltaR_eta(pair.at(1)->mom()))>0.1 && (pair.at(0)->mom()+pair.at(1)->mom()).pT()>25) preselection=true;
}
if (nSignalBJets>1)mbb=(signalBJets.at(0)->mom()+signalBJets.at(1)->mom()).m();
if (nSignalJets>0)deltaPhi_met_j0=event->missingmom().deltaPhi(signalJets.at(0)->mom());
if (nSignalJets>1)
{
pT_j1=signalJets.at(1)->pT();
deltaPhi_met_j1=event->missingmom().deltaPhi(signalJets.at(1)->mom());
mjj=get_mjj(signalJets);
}
if (nSignalLeptons>1)
{
mT2=get_mT2(signalLeptons,signalBJets,event->missingmom());
}
if (SFOSpair_cont.size() > 0)
{
mll=(SFOSpair_cont.at(0).at(0)->mom()+SFOSpair_cont.at(0).at(1)->mom()).m();
}
//Signal regions
if (preselection && mll>86. && mll<96. && met>100. && nSignalJets>=2 && (baselineMuons.size()+baselineElectrons.size())==2 && pT_j1>35. && deltaPhi_met_j0>0.4 && deltaPhi_met_j1>0.4)
{
//VZ
if (nSignalBJets==0 && mT2>80. && mjj<110.)
{
if (met>100. && met<150.) _counters.at("SR1").add_event(event);
if (met>150. && met<250.) _counters.at("SR2").add_event(event);
if (met>250. && met<350.) _counters.at("SR3").add_event(event);
if (met>350.) _counters.at("SR4").add_event(event);
}
//HZ
if (nSignalBJets==2 && mbb<150. && mT2>200.)
{
if (met>100. && met<150.) _counters.at("SR5").add_event(event);
if (met>150. && met<250.) _counters.at("SR6").add_event(event);
if (met>250.) _counters.at("SR7").add_event(event);
}
}
cutFlowVector_str[0] = "All events";
cutFlowVector_str[1] = "$\\geq$ 2 SFOS leptons with (sub)leading $p_{T} > 25(20) GeV$";
cutFlowVector_str[2] = "Extra lepton vetos";
cutFlowVector_str[3] = "$86 < m_{ll} < 96 GeV$";
cutFlowVector_str[4] = "2-3 Jets";
cutFlowVector_str[5] = "$\\Delta\\Phi(E^{miss}_{T},j_{0}),\\Delta\\Phi(E^{miss}_{T},j_{1}) > 0.4$";
cutFlowVector_str[6] = "Btag veto";
cutFlowVector_str[7] = "$M_{T2}(ll) > 80 GeV$";
cutFlowVector_str[8] = "$M_{jj}$ for min $\\Delta\\Phi$ jets $< 150 GeV$";
cutFlowVector_str[9] = "$E^{miss}_{T} > 100 GeV$";
cutFlowVector_str[10] = "$E^{miss}_{T} > 150 GeV$";
cutFlowVector_str[11] = "$E^{miss}_{T} > 250 GeV$";
cutFlowVector_str[12] = "$E^{miss}_{T} > 350 GeV$";
cutFlowVectorCMS_550_200[0] = 109.35;
cutFlowVectorCMS_550_200[1] = 24.21;
cutFlowVectorCMS_550_200[2] = 18.37;
cutFlowVectorCMS_550_200[3] = 14.13;
cutFlowVectorCMS_550_200[4] = 11.98;
cutFlowVectorCMS_550_200[5] = 10.95;
cutFlowVectorCMS_550_200[6] = 9.92;
cutFlowVectorCMS_550_200[7] = 8.04;
cutFlowVectorCMS_550_200[8] = 5.62;
cutFlowVectorCMS_550_200[9] = 5.41;
cutFlowVectorCMS_550_200[10] = 4.96;
cutFlowVectorCMS_550_200[11] = 3.59;
cutFlowVectorCMS_550_200[12] = 1.94;
for (size_t j=0;j<NCUTS;j++)
{
if(
(j==0) ||
(j==1 && preselection) ||
(j==2 && preselection && (baselineMuons.size()+baselineElectrons.size())==2) ||
(j==3 && preselection && (baselineMuons.size()+baselineElectrons.size())==2 && mll>86. && mll<96.) ||
(j==4 && preselection && (baselineMuons.size()+baselineElectrons.size())==2 && mll>86. && mll<96. && nSignalJets>=2 && pT_j1>35.) ||
(j==5 && preselection && (baselineMuons.size()+baselineElectrons.size())==2 && mll>86. && mll<96. && nSignalJets>=2 && pT_j1>35. && deltaPhi_met_j0>0.4 && deltaPhi_met_j1>0.4) ||
(j==6 && preselection && (baselineMuons.size()+baselineElectrons.size())==2 && mll>86. && mll<96. && nSignalJets>=2 && pT_j1>35. && deltaPhi_met_j0>0.4 && deltaPhi_met_j1>0.4 && nSignalBJets==0) ||
(j==7 && preselection && (baselineMuons.size()+baselineElectrons.size())==2 && mll>86. && mll<96. && nSignalJets>=2 && pT_j1>35. && deltaPhi_met_j0>0.4 && deltaPhi_met_j1>0.4 && nSignalBJets==0 && mT2>80.) ||
(j==8 && preselection && (baselineMuons.size()+baselineElectrons.size())==2 && mll>86. && mll<96. && nSignalJets>=2 && pT_j1>35. && deltaPhi_met_j0>0.4 && deltaPhi_met_j1>0.4 && nSignalBJets==0 && mT2>80. && mjj<110.) ||
(j==9 && preselection && (baselineMuons.size()+baselineElectrons.size())==2 && mll>86. && mll<96. && nSignalJets>=2 && pT_j1>35. && deltaPhi_met_j0>0.4 && deltaPhi_met_j1>0.4 && nSignalBJets==0 && mT2>80. && mjj<110. && met>100.) ||
(j==10 && preselection && (baselineMuons.size()+baselineElectrons.size())==2 && mll>86. && mll<96. && nSignalJets>=2 && pT_j1>35. && deltaPhi_met_j0>0.4 && deltaPhi_met_j1>0.4 && nSignalBJets==0 && mT2>80. && mjj<110. && met>150.) ||
(j==11 && preselection && (baselineMuons.size()+baselineElectrons.size())==2 && mll>86. && mll<96. && nSignalJets>=2 && pT_j1>35. && deltaPhi_met_j0>0.4 && deltaPhi_met_j1>0.4 && nSignalBJets==0 && mT2>80. && mjj<110. && met>250.) ||
(j==12 && preselection && (baselineMuons.size()+baselineElectrons.size())==2 && mll>86. && mll<96. && nSignalJets>=2 && pT_j1>35. && deltaPhi_met_j0>0.4 && deltaPhi_met_j1>0.4 && nSignalBJets==0 && mT2>80. && mjj<110. && met>350.)
)
cutFlowVector[j]++;
}
}
/// Combine the variables of another copy of this analysis (typically on another thread) into this one.
void combine(const Analysis* other)
{
const Analysis_CMS_13TeV_2OSLEP_36invfb* specificOther
= dynamic_cast<const Analysis_CMS_13TeV_2OSLEP_36invfb*>(other);
for (auto& pair : _counters) { pair.second += specificOther->_counters.at(pair.first); }
if (NCUTS != specificOther->NCUTS) NCUTS = specificOther->NCUTS;
for (size_t j = 0; j < NCUTS; j++)
{
cutFlowVector[j] += specificOther->cutFlowVector[j];
cutFlowVector_str[j] = specificOther->cutFlowVector_str[j];
}
}
virtual void collect_results()
{
add_result(SignalRegionData(_counters.at("SR1"), 57., {54.9, 7.}));
add_result(SignalRegionData(_counters.at("SR2"), 29., {21.6, 5.6}));
add_result(SignalRegionData(_counters.at("SR3"), 2., {6., 1.9}));
add_result(SignalRegionData(_counters.at("SR4"), 0., {2.5, 0.9}));
add_result(SignalRegionData(_counters.at("SR5"), 9., {7.6, 2.8}));
add_result(SignalRegionData(_counters.at("SR6"), 5., {5.6, 1.6}));
add_result(SignalRegionData(_counters.at("SR7"), 1., {1.3, 0.4}));
// Covariance matrix
static const vector< vector<double> > BKGCOV = {
{ 52.8, 12.7, 3.0, 1.2, 4.5, 5.1, 1.2},
{ 12.7, 41.4, 3.6, 2.0, 2.5, 2.0, 0.7},
{ 3.0, 3.6, 1.6, 0.6, 0.4, 0.3, 0.1},
{ 1.2, 2.0, 0.6, 1.1, 0.3, 0.1, 0.1},
{ 4.5, 2.5, 0.4, 0.3, 6.5, 1.8, 0.4},
{ 5.1, 2.0, 0.3, 0.1, 1.8, 2.4, 0.4},
{ 1.2, 0.7, 0.1, 0.1, 0.4, 0.4, 0.2},
};
set_covariance(BKGCOV);
}
double get_mjj(vector<const HEPUtils::Jet*> jets) {
double mjj=0;
double deltaPhi_min=999;
for (size_t iJet1=0;iJet1<jets.size();iJet1++) {
for (size_t iJet2=0;iJet2<jets.size();iJet2++) {
if (iJet1!=iJet2) {
double deltaPhi=fabs(jets.at(iJet1)->phi()-jets.at(iJet2)->phi());
if (deltaPhi<deltaPhi_min) {
mjj=(jets.at(iJet1)->mom()+jets.at(iJet2)->mom()).m();
deltaPhi_min=deltaPhi;
}
}
}
}
return mjj;
}
double get_mT2(vector<const HEPUtils::Particle*> leptons, vector<const HEPUtils::Jet*> bjets, HEPUtils::P4 met) {
double mT2=0;
if (bjets.size()<2) {
double pLep0[3] = {leptons.at(0)->mass(), leptons.at(0)->mom().px(), leptons.at(0)->mom().py()};
double pLep1[3] = {leptons.at(1)->mass(), leptons.at(1)->mom().px(), leptons.at(1)->mom().py()};
double pMiss[3] = {0., met.px(), met.py() };
double mn = 0.;
mt2_bisect::mt2 mt2_calc;
mt2_calc.set_momenta(pLep0,pLep1,pMiss);
mt2_calc.set_mn(mn);
mT2 = mt2_calc.get_mt2();
}
if (bjets.size()>1) {
mT2=999;
for (size_t iJet=0;iJet<bjets.size();iJet++) {
for (size_t iLep=0;iLep<leptons.size();iLep++) {
double pLep[3] = {leptons.at(iLep)->mass(), leptons.at(iLep)->mom().px(), leptons.at(iLep)->mom().py()};
double pJet[3] = {bjets.at(iJet)->mass(), bjets.at(iJet)->mom().px(), bjets.at(iJet)->mom().py()};
double pMiss[3] = {0., met.px(), met.py() };
double mn = 0.;
mt2_bisect::mt2 mt2_calc;
mt2_calc.set_momenta(pLep,pJet,pMiss);
mt2_calc.set_mn(mn);
double mT2_temp = mt2_calc.get_mt2();
if (mT2_temp<mT2)mT2=mT2_temp;
}
}
}
return mT2;
}
protected:
void analysis_specific_reset() {
for (auto& pair : _counters) { pair.second.reset(); }
std::fill(cutFlowVector.begin(), cutFlowVector.end(), 0);
}
};
// Factory fn
DEFINE_ANALYSIS_FACTORY(CMS_13TeV_2OSLEP_36invfb)
//
// Derived analysis class that does not make use of the SR covariance matrix
//
class Analysis_CMS_13TeV_2OSLEP_36invfb_nocovar : public Analysis_CMS_13TeV_2OSLEP_36invfb {
public:
Analysis_CMS_13TeV_2OSLEP_36invfb_nocovar() {
set_analysis_name("CMS_13TeV_2OSLEP_36invfb_nocovar");
}
virtual void collect_results() {
add_result(SignalRegionData(_counters.at("SR1"), 57., {54.9, 7.}));
add_result(SignalRegionData(_counters.at("SR2"), 29., {21.6, 5.6}));
add_result(SignalRegionData(_counters.at("SR3"), 2., {6., 1.9}));
add_result(SignalRegionData(_counters.at("SR4"), 0., {2.5, 0.9}));
add_result(SignalRegionData(_counters.at("SR5"), 9., {7.6, 2.8}));
add_result(SignalRegionData(_counters.at("SR6"), 5., {5.6, 1.6}));
add_result(SignalRegionData(_counters.at("SR7"), 1., {1.3, 0.4}));
}
};
// Factory fn
DEFINE_ANALYSIS_FACTORY(CMS_13TeV_2OSLEP_36invfb_nocovar)
}
}
Updated on 2023-06-26 at 21:36:56 +0000